diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFEdgeLink.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFEdgeLink.cs
new file mode 100644
index 0000000000000000000000000000000000000000..ee0ae20b184ac1c30465b2648b31a727a4222bb4
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFEdgeLink.cs	
@@ -0,0 +1,28 @@
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows;
+using Org.OpenAPITools.Model;
+using UnityEditor;
+using UnityEditor.Experimental.GraphView;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph
+{
+    public class ARFEdgeLink : Edge
+    {
+        public WorldLink worldLink;
+        public string GUID;
+        public ARFEdgeLink()
+        {
+            var doubleClickManipulator = new Clickable(clicked);
+            doubleClickManipulator.activators.Clear();
+            doubleClickManipulator.activators.Add(new ManipulatorActivationFilter { button = MouseButton.LeftMouse, clickCount = 2 });
+            this.AddManipulator(doubleClickManipulator);
+            this.style.color = new Color(239, 239, 239);
+        }
+
+        public void clicked()
+        {
+            NodeEditorWindow.ShowWindow(this);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFEdgeLink.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFEdgeLink.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..723d9ee5a57433d64e93157394dddc87a891f90e
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFEdgeLink.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 81a94cf483be20040aa4fe8d9f93d5c5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFGraphView.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFGraphView.cs
index 299379076fe047f641b17c045c9ee553bf885e69..b85f7c825d3198f6b92821b81c93383f28554d8b 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFGraphView.cs	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFGraphView.cs	
@@ -1,109 +1,467 @@
-//
-// ARF - Augmented Reality Framework (ETSI ISG ARF)
-//
-// Copyright 2022 ETSI
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// Last change: June 2022
-//
-
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.UIElements;
-using UnityEditor.Experimental.GraphView;
-using System;
-
-namespace ETSI.ARF.WorldStorage.UI
-{
-    public class ARFGraphView : GraphView
-    {
-        public ARFGraphView()
-        {
-            //GridBackground back = new GridBackground();
-            //back.StretchToParentSize();
-            //Insert(0, back);
-
-            this.AddManipulator(new ContentDragger());
-            this.AddManipulator(new SelectionDragger());
-            this.AddManipulator(new RectangleSelector());
-
-            AddElement(GenerateEntryPointNode());
-        }
-
-        public override List<Port> GetCompatiblePorts(Port startPort, NodeAdapter nodeAdapter)
-        {
-            var cPorts = new List<Port>();
-            ports.ForEach (funcCall: port =>
-            {
-                if (startPort != port && startPort.node != port.node) cPorts.Add(port);
-            });
-            return cPorts;
-        }
-
-        private Port GeneratePort (ARFNode node, Direction portDirection, Port.Capacity capacity = Port.Capacity.Multi)
-        {
-            return node.InstantiatePort(Orientation.Horizontal, portDirection, capacity, typeof(int)); // dummy
-        }
-
-        private ARFNode GenerateEntryPointNode()
-        {
-            var node = new ARFNode
-            {
-                title = "World Storage",
-                text = "EntryPoint",
-                GUID = Guid.NewGuid().ToString(),
-                entryPoint = true
-            };
-
-            var portOut = GeneratePort(node, Direction.Output);
-            portOut.portName = "Link";
-            node.outputContainer.Add(portOut);
-
-            node.RefreshExpandedState();
-            node.RefreshPorts();
-            node.SetPosition(new Rect(50, 100, 200, 150));
-            return node;
-        }
-
-        public void CreateNode(string name)
-        {
-            AddElement(CreateARFNode(name));
-        }
-
-        public ARFNode CreateARFNode(string name)
-        {
-            var node = new ARFNode
-            {
-                title = name,
-                text = name,
-                GUID = Guid.NewGuid().ToString()
-            };
-
-            var portIn = GeneratePort(node, Direction.Input, Port.Capacity.Multi);
-            portIn.portName = "Link"; // "Input";
-            node.inputContainer.Add(portIn);
-
-            var portOut = GeneratePort(node, Direction.Output, Port.Capacity.Multi);
-            portOut.portName = "Link"; // "Output";
-            node.outputContainer.Add(portOut);
-
-            node.RefreshExpandedState();
-            node.RefreshPorts();
-            node.SetPosition(new Rect(200, 100, 200, 150));
-
-            return node;
-        }
-    }
+//
+// ARF - Augmented Reality Framework (ETSI ISG ARF)
+//
+// Copyright 2022 ETSI
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Last change: June 2022
+//
+#define USING_OPENAPI_GENERATOR
+
+using System.Collections;
+using System.Collections.Generic;
+#if USING_OPENAPI_GENERATOR
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+#else
+using IO.Swagger.Api;
+using IO.Swagger.Model;
+#endif
+using UnityEngine;
+using UnityEngine.UIElements;
+using UnityEditor.Experimental.GraphView;
+using System;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph;
+using ETSI.ARF.WorldStorage.REST;
+using UnityEditor;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows;
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+    public class ARFGraphView : GraphView
+    {
+        public WorldStorageServer worldStorageServer;
+        public WorldStorageUser worldStorageUser;
+
+        public ARFGraphView()
+        {
+            SetupZoom(ContentZoomer.DefaultMinScale, ContentZoomer.DefaultMaxScale);
+
+            //deleSection
+            deleteSelection += DeleteFunc;
+
+            this.AddManipulator(new ContentDragger());
+            this.AddManipulator(new SelectionDragger());
+            this.AddManipulator(new RectangleSelector());
+
+        }
+
+        //method called when an element is deleted from the graphview
+        public void DeleteFunc(string operationName, AskUser askUser)
+        {
+            //build the message to list all the deleted elements
+            String message = "Are you sure you want to delete ";
+            if (selection.Count > 1)
+            {
+                message += selection.Count + " elements ?";
+            }
+            else
+            {
+                message += "this element ?";
+            }
+
+            //remove from the graph all the deleted elements
+            if (EditorUtility.DisplayDialog("Deleting elements", message, "Yes", "No"))
+            {
+                if (SaveInfo.instance.elemsToRemove == null)
+                {
+                    SaveInfo.instance.elemsToRemove = new List<string>();
+                }
+                foreach (GraphElement elt in selection.ToArray())
+                {
+                    ARFNodeWorldAnchor nodeAnchor = elt as ARFNodeWorldAnchor;
+                    if (nodeAnchor != null)
+                    {
+                        nodeAnchor.DisconnectAllPorts(this);
+                        if (SaveInfo.instance.nodePositions.ContainsKey(nodeAnchor.GUID))
+                        {
+                            SaveInfo.instance.elemsToRemove.Add(nodeAnchor.GUID);
+                        }
+                        RemoveElement(elt);
+                        continue;
+                    }
+                    ARFNodeTrackable nodeTrackable = elt as ARFNodeTrackable;
+                    if (nodeTrackable != null)
+                    {
+                        nodeTrackable.DisconnectAllPorts(this);
+                        if (SaveInfo.instance.nodePositions.ContainsKey(nodeTrackable.GUID))
+                        {
+                            SaveInfo.instance.elemsToRemove.Add(nodeTrackable.GUID);
+                        }
+                        RemoveElement(elt);
+                        continue;
+                    }
+                    ARFEdgeLink edgeLink = elt as ARFEdgeLink;
+                    if (edgeLink != null)
+                    {
+                        edgeLink.input.Disconnect(edgeLink);
+                        edgeLink.output.Disconnect(edgeLink);
+                        SaveInfo.instance.elemsToRemove.Add(edgeLink.GUID);
+                        RemoveElement(elt);
+                        continue;
+                    }
+                }
+            }
+        }
+
+        public override void BuildContextualMenu(UnityEngine.UIElements.ContextualMenuPopulateEvent evt)
+        {
+            Vector2 localMousePos = evt.localMousePosition;
+            Vector2 actualGraphPosition = viewTransform.matrix.inverse.MultiplyPoint(localMousePos);
+
+            evt.menu.AppendSeparator();
+            evt.menu.AppendAction("Reload graph", delegate
+            {
+                if (positionshaveBeenChanged() && EditorUtility.DisplayDialog("Saving node positions", "The nodes positions have been changed, would you like to save them ?", "Yes", "No"))
+                {
+                    saveElemPositionsInServer();
+                }
+                reload();
+                SaveInfo.instance.toReFrame = true;
+            }, (DropdownMenuAction a) => DropdownMenuAction.Status.Normal);
+            evt.menu.AppendAction("Create Trackable", delegate
+            {
+                //generate the Trackables's attributes
+                EncodingInformationStructure trackableEncodingInformation = new EncodingInformationStructure(EncodingInformationStructure.DataFormatEnum.OTHER, "0");
+
+                List<float> localCRS = new List<float>();
+                for (int i = 0; i < 16; i++)
+                {
+                    localCRS.Add(0);
+                }
+
+                List<double> trackableSize = new List<double>();
+                for (int i = 0; i < 3; i++)
+                {
+                    trackableSize.Add(0);
+                }
+
+                Trackable trackable = new Trackable(Guid.NewGuid(), "Defaulttrackable", Guid.Parse(worldStorageUser.UUID), Trackable.TrackableTypeEnum.OTHER, trackableEncodingInformation, new byte[64], localCRS, UnitSystem.CM, trackableSize, new Dictionary<string, List<string>>());
+                createTrackableNode(trackable, actualGraphPosition.x, actualGraphPosition.y);
+
+            }, (DropdownMenuAction a) => DropdownMenuAction.Status.Normal);
+            evt.menu.AppendAction("Create World Anchor", delegate
+            {
+                //generate the worldAnchor attributes
+
+                List<float> localCRS = new List<float>();
+                for (int i = 0; i < 16; i++)
+                {
+                    localCRS.Add(0);
+                }
+
+                List<double> worldAnchorSize = new List<double>();
+                for (int i = 0; i < 3; i++)
+                {
+                    worldAnchorSize.Add(0);
+                }
+
+                WorldAnchor anchor = new WorldAnchor(Guid.NewGuid(), "DefaultWorldAnchor", Guid.Parse(worldStorageUser.UUID), localCRS, UnitSystem.CM, worldAnchorSize, new Dictionary<string, List<string>>());
+                createAnchorNode(anchor, actualGraphPosition.x, actualGraphPosition.y);
+
+            }, (DropdownMenuAction a) => DropdownMenuAction.Status.Normal);
+            evt.menu.AppendSeparator();
+            if (evt.target is ARFNode || evt.target is Group || evt.target is ARFEdgeLink)
+            {
+                evt.menu.AppendSeparator();
+                evt.menu.AppendAction("Delete", delegate
+                {
+                    DeleteSelectionCallback(AskUser.AskUser);
+                }, (DropdownMenuAction a) => canDeleteSelection ? DropdownMenuAction.Status.Normal : DropdownMenuAction.Status.Disabled);
+                evt.menu.AppendSeparator();
+            }
+            if (evt.target is GraphView)
+            {
+            }
+        }
+        private bool positionshaveBeenChanged()
+        {
+            if (SaveInfo.instance.elemsToRemove.Count != 0)
+            {
+                return true;
+            }
+            foreach (ARFNode node in nodes)
+            {
+                float nodeX = node.GetPosition().x;
+                float nodeY = node.GetPosition().y;
+                float dataX = SaveInfo.instance.nodePositions[node.GUID].x;
+                float dataY = SaveInfo.instance.nodePositions[node.GUID].y;
+                if ((nodeX != dataX) || (nodeY != dataY))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public override List<Port> GetCompatiblePorts(Port startPort, NodeAdapter nodeAdapter)
+        {
+            var cPorts = new List<Port>();
+            ports.ForEach(funcCall: port =>
+           {
+               if (startPort != port && startPort.node != port.node) cPorts.Add(port);
+           });
+            return cPorts;
+        }
+
+        public void paintWorldStorage()
+        {
+            List<Trackable> trackables = TrackableRequest.GetAllTrackables(worldStorageServer);
+            List<WorldAnchor> worldAnchors = WorldAnchorRequest.GetAllWorldAnchors(worldStorageServer);
+            List<WorldLink> worldLinks = WorldLinkRequest.GetAllWorldLinks(worldStorageServer);
+
+            foreach (WorldAnchor worldAnchor in worldAnchors)
+            {
+                var waNode = new ARFNodeWorldAnchor(worldAnchor);
+
+                Rect posTemp = new Rect(26, 93, 160, 77);
+                SaveInfo.instance.nodePositions.TryGetValue(worldAnchor.UUID.ToString(), out posTemp);
+                waNode.SetPosition(posTemp);
+
+                AddElement(waNode);
+            }
+
+            foreach (Trackable trackable in trackables)
+            {
+                var tracknode = new ARFNodeTrackable(trackable);
+
+                Rect posTemp = new Rect(26, 93, 160, 77);
+                SaveInfo.instance.nodePositions.TryGetValue(trackable.UUID.ToString(), out posTemp);
+                tracknode.SetPosition(posTemp);
+
+                AddElement(tracknode);
+            }
+            foreach (WorldLink worldLink in worldLinks)
+            {
+                var portPair = getPortsFromWorldLink(worldLink);
+                ARFEdgeLink edge = portPair.Key.ConnectTo<ARFEdgeLink>(portPair.Value);
+                edge.worldLink = worldLink;
+                edge.GUID = worldLink.UUID.ToString();
+
+                AddElement(edge);
+            }
+
+        }
+
+        internal void createTrackableNode(Trackable track, float posX, float posY)
+        {
+            var tracknode = new ARFNodeTrackable(track);
+            Rect pos = new Rect(RoundToNearestHalf(posX), RoundToNearestHalf(posY), 160, 77);
+            tracknode.SetPosition(pos);
+
+            AddElement(tracknode);
+        }
+
+        internal void createAnchorNode(WorldAnchor wa, float posX, float posY)
+        {
+            var waNode = new ARFNodeWorldAnchor(wa);
+
+            Rect pos = new Rect(RoundToNearestHalf(posX), RoundToNearestHalf(posY), 160, 77);
+            waNode.SetPosition(pos);
+
+            AddElement(waNode);
+        }
+
+        internal void createLink(WorldLink worldLink)
+        {
+            var portPair = getPortsFromWorldLink(worldLink);
+            ARFEdgeLink edge = portPair.Key.ConnectTo<ARFEdgeLink>(portPair.Value);
+            edge.worldLink = worldLink;
+            Debug.Log(worldLink.UUID.ToString());
+            edge.GUID = worldLink.UUID.ToString();
+
+            AddElement(edge);
+        }
+
+        public void reload()
+        {
+            DeleteElements(graphElements);
+            paintWorldStorage();
+            FrameAllElements();
+        }
+
+        public Dictionary<string, Rect> SavePositions()
+        {
+            Dictionary<string, Rect> ret = new Dictionary<string, Rect>();
+            foreach (ARFNode elem in nodes)
+            {
+                ret.Add(elem.GUID, elem.GetPosition());
+            }
+            return ret;
+        }
+
+        private KeyValuePair<Port, Port> getPortsFromWorldLink(WorldLink worldLink)
+        {
+            var ret = new KeyValuePair<Port, Port>();
+
+            //To
+            Guid idTo = worldLink.UUIDTo;
+            Port portIn = null;
+            switch (worldLink.TypeTo)
+            {
+                case ObjectType.Trackable:
+                    foreach (GraphElement node in this.graphElements)
+                    {
+                        ARFNodeTrackable nodeTrackable = node as ARFNodeTrackable;
+                        if ((nodeTrackable != null) && (nodeTrackable.trackable.UUID == idTo))
+                        {
+                            portIn = nodeTrackable.portIn;
+                            break;
+                        }
+                    }
+                    break;
+                case ObjectType.WorldAnchor:
+                    foreach (GraphElement node in this.graphElements)
+                    {
+                        ARFNodeWorldAnchor nodeAnchor = node as ARFNodeWorldAnchor;
+                        if ((nodeAnchor != null) && nodeAnchor.worldAnchor.UUID == idTo)
+                        {
+                            portIn = nodeAnchor.portIn;
+                            break;
+                        }
+                    }
+                    break;
+                default:
+                    Debug.Log("what are you doing here...");
+                    break;
+            }
+
+            //From
+            Guid idFrom = worldLink.UUIDFrom;
+            Port portOut = null;
+            switch (worldLink.TypeFrom)
+            {
+                case ObjectType.Trackable:
+                    foreach (GraphElement node in this.graphElements)
+                    {
+                        ARFNodeTrackable nodeTrackable = node as ARFNodeTrackable;
+                        if ((nodeTrackable != null) && (nodeTrackable.trackable.UUID == idFrom))
+                        {
+                            portOut = nodeTrackable.portOut;
+                            break;
+                        }
+                    }
+                    break;
+                case ObjectType.WorldAnchor:
+                    foreach (GraphElement node in this.graphElements)
+                    {
+                        ARFNodeWorldAnchor nodeAnchor = node as ARFNodeWorldAnchor;
+                        if ((nodeAnchor != null) && nodeAnchor.worldAnchor.UUID == idFrom)
+                        {
+                            portOut = nodeAnchor.portOut;
+                            break;
+                        }
+                    }
+                    break;
+                default:
+                    Debug.Log("what are you doing here...");
+                    break;
+            }
+
+            if ((portOut != null) && (portIn != null))
+            {
+                ret = new KeyValuePair<Port, Port>(portOut, portIn);
+            }
+
+            return ret;
+        }
+
+        //
+        // Résumé :
+        //     Calculate the rectangle size and position to fit all elements in graph.
+        //
+        // Paramètres :
+        //   container:
+        //     This should be the view container.
+        //
+        // Retourne :
+        //     The calculated rectangle.
+        public override Rect CalculateRectToFitAll(VisualElement container)
+        {
+            Rect rectToFit = container.layout;
+            bool reachedFirstChild = false;
+            graphElements.ForEach(delegate (GraphElement ge)
+            {
+                if (!(ge is ARFEdgeLink) && !(ge is Port))
+                {
+                    if (!reachedFirstChild)
+                    {
+                        rectToFit = ge.ChangeCoordinatesTo(contentViewContainer, ge.contentRect);
+                        reachedFirstChild = true;
+                    }
+                    else
+                    {
+                        rectToFit = RectUtils.Encompass(rectToFit, ge.ChangeCoordinatesTo(contentViewContainer, ge.contentRect));
+                    }
+                }
+            });
+            return rectToFit;
+        }
+
+        //k_FrameBorder is private readOnly graphView attribute, had to redeclare it to access it
+        private readonly int k_FrameBorder = 30;
+        public void FrameAllElements()
+        {
+            Vector3 frameTranslation = Vector3.zero;
+            Vector3 frameScaling = Vector3.one;
+            var rectToFit = CalculateRectToFitAll(contentViewContainer);
+            CalculateFrameTransform(rectToFit, layout, k_FrameBorder, out frameTranslation, out frameScaling);
+            Matrix4x4.TRS(frameTranslation, Quaternion.identity, frameScaling);
+            UpdateViewTransform(frameTranslation, frameScaling);
+        }
+
+        //method to predict the position of a node (the float that will be saved in the PositionInfo singleton)
+        public static float RoundToNearestHalf(float a)
+        {
+            return a = Mathf.Round(a * 2f) * 0.5f;
+        }
+
+        public void saveElemPositionsInServer()
+        {
+            foreach (ARFNode node in nodes)
+            {
+                if (!SaveInfo.instance.nodePositions.ContainsKey(node.GUID))
+                {
+                    //TODO
+                    Debug.Log("need to post " + node.GUID);
+                }
+                else
+                {
+                    float xLocal = node.GetPosition().x;
+                    float yLocal = node.GetPosition().y;
+                    float xServer = SaveInfo.instance.nodePositions[node.GUID].x; ;
+                    float yServer = SaveInfo.instance.nodePositions[node.GUID].y;
+                    if ((xLocal != xServer) && (yLocal != yServer))
+                    {
+                        //TODO
+                        Debug.Log("need to update " + node.GUID);
+                    }
+                }
+            }
+            foreach (ARFEdgeLink edge in edges)
+            {
+                if (!SaveInfo.instance.linkIds.Contains(edge.GUID))
+                {
+                    //TODO
+                    Debug.Log("need to post link between " + edge.input);
+                }
+            }
+            foreach (String elemId in SaveInfo.instance.elemsToRemove)
+            {
+                //TODO
+                Debug.Log("need to remove " + elemId);
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNode.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNode.cs
index 5ea6fbedc22f6960cbdacd0e2766c59bce8ed992..6c29371aa286dcbe0f9fccb5581906357972b2f8 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNode.cs	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNode.cs	
@@ -1,41 +1,103 @@
-//
-// ARF - Augmented Reality Framework (ETSI ISG ARF)
-//
-// Copyright 2022 ETSI
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// Last change: June 2022
-//
-
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.UIElements;
-using UnityEditor.Experimental.GraphView;
-
-namespace ETSI.ARF.WorldStorage.UI
-{
-    public class ARFNode : Node
-    {
-        public string GUID;
-        public string text;
-        public bool entryPoint = false;
-
-        public ARFNode()
-        {
-           
-
-        }
-    }
+//
+// ARF - Augmented Reality Framework (ETSI ISG ARF)
+//
+// Copyright 2022 ETSI
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Last change: June 2022
+//
+#define USING_OPENAPI_GENERATOR // alt. is Swagger
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using ETSI.ARF.WorldStorage.REST;
+
+#if USING_OPENAPI_GENERATOR
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+#else
+using IO.Swagger.Api;
+using IO.Swagger.Model;
+#endif
+using UnityEngine.UIElements;
+using UnityEditor.Experimental.GraphView;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph;
+using System;
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+    public class ARFNode : Node
+    {
+        public string GUID;
+        public bool entryPoint = false;
+        public Port portOut;
+        public Port portIn;
+        public GUID id;
+        public ARFNode()
+        {
+            
+        }
+
+        public override Port InstantiatePort(Orientation orientation, Direction direction, Port.Capacity capacity, Type type)
+        {
+            switch (direction)
+            {
+                case Direction.Input:
+                    portIn = Port.Create<ARFEdgeLink>(orientation, direction, capacity, type);
+                    return portIn;
+                case Direction.Output:
+                    portOut = Port.Create<ARFEdgeLink>(orientation, direction, capacity, type);
+                    return portOut;
+                default:
+                    return null;
+            }
+        }
+
+        public void DisconnectAllPorts(ARFGraphView graphView)
+        {
+            DisconnectInputPorts(graphView);
+            DisconnectOutputPorts(graphView);
+        }
+
+        private void DisconnectInputPorts(ARFGraphView graphView)
+        {
+            DisconnectPorts(inputContainer, graphView);
+        }
+
+        private void DisconnectOutputPorts(ARFGraphView graphView)
+        {
+            DisconnectPorts(outputContainer, graphView);
+        }
+
+        private void DisconnectPorts(VisualElement container, ARFGraphView graphView)
+        {
+            foreach (Port port in container.Children())
+            {
+                if (!port.connected)
+                {
+                    continue;
+                }
+
+                graphView.DeleteElements(port.connections);
+            }
+        }
+
+        public Port GeneratePort(ARFNode node, Direction portDirection, Port.Capacity capacity = Port.Capacity.Multi)
+        {
+            return node.InstantiatePort(Orientation.Horizontal, portDirection, capacity, typeof(int)); // dummy
+        }
+    }
 }
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeTrackable.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeTrackable.cs
new file mode 100644
index 0000000000000000000000000000000000000000..b25b58e73ca7634a46e7f81d957dce74cf21516d
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeTrackable.cs	
@@ -0,0 +1,88 @@
+//
+// ARF - Augmented Reality Framework (ETSI ISG ARF)
+//
+// Copyright 2022 ETSI
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Last change: June 2022
+//
+#define USING_OPENAPI_GENERATOR // alt. is Swagger
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using ETSI.ARF.WorldStorage.REST;
+
+#if USING_OPENAPI_GENERATOR
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+#else
+using IO.Swagger.Api;
+using IO.Swagger.Model;
+#endif
+using UnityEngine.UIElements;
+using UnityEditor.Experimental.GraphView;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph;
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+    public class ARFNodeTrackable : ARFNode
+    {
+        public Trackable trackable;
+
+        public ARFNodeTrackable(Trackable trackable)
+        {
+            this.trackable = trackable;
+            this.GUID = trackable.UUID.ToString();
+            this.title = trackable.Name;
+
+            /*COLOR*/
+            var colorRectangle = new VisualElement();
+            colorRectangle.style.height = 160;
+            colorRectangle.style.height = 5;
+            colorRectangle.style.backgroundColor = new Color(0.9f, 0.78f, 0.54f, 0.9f);
+            mainContainer.Insert(1, colorRectangle);
+
+            /*PORTS*/
+            var portIn = GeneratePort(this, Direction.Input, Port.Capacity.Multi);
+            portIn.portColor = new Color(0.77f, 0.77f, 0.77f, 0.77f);
+            portIn.portName = "Target"; // "Input"
+            portIn.AddManipulator(new EdgeConnector<ARFEdgeLink>(new WorldLinkListener()));
+            inputContainer.Add(portIn);
+
+            var portOut = GeneratePort(this, Direction.Output, Port.Capacity.Multi);
+            portOut.portColor = new Color(0.77f, 0.77f, 0.77f, 0.77f);
+            portOut.portName = "Source"; // "Output";
+            portOut.AddManipulator(new EdgeConnector<ARFEdgeLink>(new WorldLinkListener())); ;
+            outputContainer.Add(portOut);
+
+            RefreshExpandedState();
+            RefreshPorts();
+
+            /*MANIPULATOR*/
+            var doubleClickManipulator = new Clickable(clicked);
+            doubleClickManipulator.activators.Clear();
+            doubleClickManipulator.activators.Add(new ManipulatorActivationFilter { button = MouseButton.LeftMouse, clickCount = 2 });
+            this.AddManipulator(doubleClickManipulator);
+        }
+
+        public void clicked()
+        {
+            NodeEditorWindow.ShowWindow(this);
+            Debug.Log(trackable.ToString());
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeTrackable.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeTrackable.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..17e98f27c0df67b74d8e87e243203ba56f30d987
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeTrackable.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 01bfb1a0a4a788c48a6c6675034ba8d5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeWorldAnchor.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeWorldAnchor.cs
new file mode 100644
index 0000000000000000000000000000000000000000..a8c83a337c3360a7aca0de47a04a881c8001e55a
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeWorldAnchor.cs	
@@ -0,0 +1,88 @@
+//
+// ARF - Augmented Reality Framework (ETSI ISG ARF)
+//
+// Copyright 2022 ETSI
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Last change: June 2022
+//
+#define USING_OPENAPI_GENERATOR // alt. is Swagger
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using ETSI.ARF.WorldStorage.REST;
+
+#if USING_OPENAPI_GENERATOR
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+#else
+using IO.Swagger.Api;
+using IO.Swagger.Model;
+#endif
+using UnityEngine.UIElements;
+using UnityEditor.Experimental.GraphView;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph;
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+    public class ARFNodeWorldAnchor : ARFNode
+    {
+        public WorldAnchor worldAnchor;
+
+        public ARFNodeWorldAnchor(WorldAnchor worldAnchor)
+        {
+            this.worldAnchor = worldAnchor;
+            this.GUID = worldAnchor.UUID.ToString();
+            this.title = worldAnchor.Name;
+
+            /*COLOR*/
+            var colorRectangle = new VisualElement();
+            colorRectangle.style.height = 160;
+            colorRectangle.style.height = 5;
+            colorRectangle.style.backgroundColor = new Color(0.76f, 0.9f, 0.46f, 0.9f);
+            mainContainer.Insert(1, colorRectangle);
+
+            /*PORTS*/
+            var portIn = GeneratePort(this, Direction.Input, Port.Capacity.Multi);
+            portIn.portColor = new Color(0.77f,0.77f,0.77f, 0.77f);
+            portIn.portName = "Target"; // "Input";
+            portIn.AddManipulator(new EdgeConnector<ARFEdgeLink>(new WorldLinkListener()));
+            inputContainer.Add(portIn);
+
+            var portOut = GeneratePort(this, Direction.Output, Port.Capacity.Multi);
+            portOut.portColor = new Color(0.77f, 0.77f, 0.77f, 0.77f);
+            portOut.portName = "Source"; // "Output";
+            portOut.AddManipulator(new EdgeConnector<ARFEdgeLink>(new WorldLinkListener()));
+            outputContainer.Add(portOut);
+
+            RefreshExpandedState();
+            RefreshPorts();
+
+            /*MANIPULATOR*/
+            var doubleClickManipulator = new Clickable(clicked);
+            doubleClickManipulator.activators.Clear();
+            doubleClickManipulator.activators.Add(new ManipulatorActivationFilter { button = MouseButton.LeftMouse, clickCount = 2 });
+            this.AddManipulator(doubleClickManipulator);
+        }
+
+        public void clicked()
+        {
+            Debug.Log(worldAnchor.ToString());
+            NodeEditorWindow.ShowWindow(this);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeWorldAnchor.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeWorldAnchor.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..bb1bb7e9dbcc846457423ce25bb5ae3dccc979ec
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/ARFNodeWorldAnchor.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 21e22c1ed011b7a4da95fad83be1d9fa
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs
index 3a21abee031ab83a53c4735195847331fa312a85..9c496ee89040237b46e84b324ab9267529fc7529 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs	
@@ -1,216 +1,394 @@
-//
-// ARF - Augmented Reality Framework (ETSI ISG ARF)
-//
-// Copyright 2022 ETSI
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// Last change: June 2022
-//
-
-#define USING_OPENAPI_GENERATOR // alt. is Swagger
-
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEditor;
-using UnityEditor.Experimental.GraphView;
-using UnityEngine.UIElements;
-using UnityEditor.UIElements;
-using ETSI.ARF.WorldStorage.REST;
-
-#if USING_OPENAPI_GENERATOR
-using Org.OpenAPITools.Api;
-using Org.OpenAPITools.Model;
-#else
-using IO.Swagger.Api;
-using IO.Swagger.Model;
-#endif
-
-
-namespace ETSI.ARF.WorldStorage.UI
-{
-
-    public class GraphWindow : EditorWindow
-    {
-        [HideInInspector] public WorldStorageServer worldStorageSettings;
-
-        [SerializeField] public List<string> trackables = new List<string>();
-
-        bool groupEnabled;
-
-        string uid = System.Guid.Empty.ToString();
-        string customName = "NotDefined";
-        string creatorUid = System.Guid.Empty.ToString();
-        string type = "Unknow";
-        string unit = "Unknow";
-        Vector2Int dim;
-
-        private Trackable currentTrackable;
-        private Vector2 scrollPos;
-        private Color ori;
-        private GUIStyle gsTest;
-
-        private ARFGraphView myGraph;
-
-        [MenuItem("ARFWorldStorage/Graph Editor")]
-        public static void ShowWindow()//WorldStorageServer ws)
-        {
-            GraphWindow win = EditorWindow.GetWindow(typeof(GraphWindow), false, WorldStorageWindow.winName) as GraphWindow;
-            //win.worldStorageSettings = ws;
-        }
-
-        public GraphWindow()
-        {
-            // init somne stuffs
-            //currentTrackable = new Trackable();
-        }
-
-        public void OnEnable()
-        {
-            ConstructGraphView();
-            GenerateToolbar();
-        }
-         
-        public void OnDisable()
-        {
-            rootVisualElement.Remove(myGraph);
-        }
-
-        private void GenerateToolbar()
-        {
-            var toolbar = new Toolbar();
-
-            var createNodeT = new Button(clickEvent: () => { myGraph.CreateNode("Trackable"); });
-            createNodeT.text = "Create Trackable";
-            toolbar.Add(createNodeT);
-
-            var createNodeWA = new Button(clickEvent: () => { myGraph.CreateNode("World Anchor"); });
-            createNodeWA.text = "Create World Anchor";
-            toolbar.Add(createNodeWA);
-
-            var createNodeL = new Button(clickEvent: () => { });
-            createNodeL.text = "Create Link";
-            toolbar.Add(createNodeL);
-
-            var close = new Button(clickEvent: () => { Close(); });
-            close.text = "Close Window";
-            toolbar.Add(close);
-
-            rootVisualElement.Add(toolbar);
-        }
-
-        private void ConstructGraphView()
-        {
-            myGraph = new ARFGraphView
-            {
-                name = "ARF Graph"
-            };
-            myGraph.StretchToParentSize();
-            //myGraph.StretchToParentWidth();
-            rootVisualElement.Add(myGraph);
-        }
-
-        void OnGUI()
-        {
-            ori = GUI.backgroundColor; // remember ori color
-
-            gsTest = new GUIStyle("window");
-            gsTest.normal.textColor = WorldStorageWindow.arfColors[0];
-            gsTest.fontStyle = FontStyle.Bold;
-            
-            EditorGUILayout.Space(24);
-            GUI.contentColor = WorldStorageWindow.arfColors[1];
-            WorldStorageWindow.DrawCopyright();
-
-            //TLP.Editor.EditorGraph graph = new TLP.Editor.EditorGraph(0, -1, 10, 1, "Just a sin wave", 100);
-            //graph.AddFunction(x => Mathf.Sin(x));
-            //graph.Draw();
-        }
-
-        /*
-        void DrawTrackableStuffs()// Trackable trackable)
-        {
-            GUILayout.BeginVertical("AR Trackable", gsTest);
-            //
-            GUILayout.Label("Server: " + worldStorageSettings.serverName, EditorStyles.whiteLargeLabel);
-            GUILayout.Label("Creator UID: " + creatorUid, EditorStyles.miniLabel); // readonly
-            EditorGUILayout.Space();
-
-            //GUILayout.BeginHorizontal();
-            uid = EditorGUILayout.TextField("UID (0 = new one)", uid);
-            EditorGUILayout.Space();
-
-            GUI.backgroundColor = WorldStorageWindow.arfColors[1];
-            if (GUILayout.Button("Get Parameters"))
-            {
-                Trackable t = RESTfulTrackableRequest.GetTrackable(worldStorageSettings, uid);
-                creatorUid = t.CreatorUUID.ToString();
-                type = t.GetType().ToString();
-                unit = t.Unit.ToString();
-            }
-            GUI.backgroundColor = ori;
-
-            type = EditorGUILayout.TextField("Trackable Type", type);
-            unit = EditorGUILayout.TextField("Unit System", unit);
-
-            EditorGUILayout.Space(10);
-            dim = EditorGUILayout.Vector2IntField("Dimension", dim);
-
-            EditorGUILayout.Space();
-            GUILayout.Button("Payload from Asset...");
-
-            EditorGUILayout.Space();
-            groupEnabled = EditorGUILayout.BeginToggleGroup("Optional Parameters:", groupEnabled);
-            EditorGUILayout.IntField("Number of KeyValues", 0);
-            EditorGUILayout.Space();
-            EditorGUILayout.TextField("Key", "");
-            EditorGUILayout.TextField("Value", "");
-            EditorGUILayout.EndToggleGroup();
-            //
-            GUILayout.EndVertical();
-
-            GUI.backgroundColor = WorldStorageWindow.arfColors[3];
-            if (GUILayout.Button("Delete Trackable"))
-            {
-                Debug.Log("Deleting Trackable");
-                RESTfulTrackableRequest.DeleteTrackable(worldStorageSettings, uid);
-                uid = System.Guid.Empty.ToString();
-                creatorUid = System.Guid.Empty.ToString();
-                type = "";
-                unit = "";
-                WorldStorageWindow.WorldStorageWindowSingleton.UpdateList();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
-            }
-            GUI.backgroundColor = ori;
-
-            GUI.backgroundColor = WorldStorageWindow.arfColors[2];
-            if (GUILayout.Button("Create/Update Trackable"))
-            {
-                Debug.Log("PostAddTrackable");
-                if (string.IsNullOrEmpty(uid) || uid == "0") uid = System.Guid.Empty.ToString();
-                Trackable t = RESTfulTrackableRequest.TrackableFromStrings(uid, cus, worldStorageSettings.creatorUID);
-                RESTfulTrackableRequest.PostAddTrackable(worldStorageSettings, t);
-                WorldStorageWindow.WorldStorageWindowSingleton.UpdateList();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
-
-                uid = t.UUID.ToString();
-                type = t.GetType().ToString();
-                unit = t.Unit.ToString();
-            }
-            GUI.backgroundColor = ori;
-        }
-
-  */
-    }
+//
+// ARF - Augmented Reality Framework (ETSI ISG ARF)
+//
+// Copyright 2022 ETSI
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Last change: June 2022
+//
+
+#define USING_OPENAPI_GENERATOR // alt. is Swagger
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.Experimental.GraphView;
+using UnityEngine.UIElements;
+using UnityEditor.UIElements;
+using ETSI.ARF.WorldStorage.REST;
+using System;
+using System.Threading.Tasks;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows;
+
+#if USING_OPENAPI_GENERATOR
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+#else
+using IO.Swagger.Api;
+using IO.Swagger.Model;
+#endif
+
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+
+    public class GraphWindow : EditorWindow
+    {
+
+        static public GraphWindow graphWindowSingleton;
+
+        string tempStorageUrl;
+        int tempStoragePort;
+
+        [HideInInspector] public WorldStorageServer worldStorageServer;
+        [HideInInspector] public WorldStorageUser worldStorageUser;
+
+        [SerializeField] public List<string> trackables = new List<string>();
+
+        private Color ori;
+        private GUIStyle gsTest;
+
+        private ARFGraphView myGraph;
+
+        [MenuItem("ARFWorldStorage/Graph Editor")]
+        public static void ShowWindow()
+        {
+            GetWindow<GraphWindow>("Menu Editor", true, typeof(SceneView));
+            GraphWindow win = EditorWindow.GetWindow(typeof(GraphWindow), false, WorldStorageWindow.winName) as GraphWindow;
+        }
+
+        public GraphWindow()
+        {
+            graphWindowSingleton = this;
+        }
+
+        public void OnEnable()
+        {
+            Debug.Log("onEnable");
+            //At unity launch
+            if (SaveInfo.instance.nodePositions == null)
+            {
+                initNodePos();
+            }
+
+            tempStorageUrl = this.worldStorageServer.basePath;
+            tempStoragePort = this.worldStorageServer.port;
+            ConstructGraphView();
+            rootVisualElement.Add(GenerateToolbar());
+            myGraph.StretchToParentSize();
+            //top offset so that the graph does'nt overlap with the rest of the ui
+            myGraph.style.top = Length.Percent(11);
+            rootVisualElement.Add(myGraph);
+        }
+
+        private void initNodePos()
+        {
+
+            SaveInfo.instance.nodePositions = new Dictionary<string, Rect>();
+            foreach (Trackable track in TrackableRequest.GetAllTrackables(worldStorageServer))
+            {
+                if (track.KeyvalueTags.ContainsKey("unityAuthoringPosX") && track.KeyvalueTags.ContainsKey("unityAuthoringPosY"))
+                {
+                    var posX = float.Parse(track.KeyvalueTags["unityAuthoringPosX"][0]);
+                    var posY = float.Parse(track.KeyvalueTags["unityAuthoringPosY"][0]);
+                    Rect trackPos = new Rect(posX, posY, 135, 77);
+                    SaveInfo.instance.nodePositions[track.UUID.ToString()] = trackPos;
+                }
+                else
+                {
+                    Rect trackPos = new Rect(0, 0, 135, 77);
+                    SaveInfo.instance.nodePositions[track.UUID.ToString()] = trackPos;
+                }
+            }
+            foreach (WorldAnchor wa in WorldAnchorRequest.GetAllWorldAnchors(worldStorageServer))
+            {
+                if (wa.KeyvalueTags.ContainsKey("unityAuthoringPosX") && wa.KeyvalueTags.ContainsKey("unityAuthoringPosY"))
+                {
+                    var posX = float.Parse(wa.KeyvalueTags["unityAuthoringPosX"][0]);
+                    var posY = float.Parse(wa.KeyvalueTags["unityAuthoringPosY"][0]);
+                    Rect waPos = new Rect(posX, posY, 135, 77);
+                    SaveInfo.instance.nodePositions[wa.UUID.ToString()] = waPos;
+                }
+                else
+                {
+                    Rect trackPos = new Rect(0, 0, 135, 77);
+                    SaveInfo.instance.nodePositions[wa.UUID.ToString()] = trackPos;
+                }
+            }
+            SaveInfo.instance.toReFrame = true;
+        }
+
+        public void OnDisable()
+        {
+            if (positionshaveBeenChanged() && EditorUtility.DisplayDialog("Saving node positions", "The nodes positions have been changed, would you like to save them ?", "Yes", "No"))
+            {
+                SaveInfo.instance.nodePositions = myGraph.SavePositions();
+                saveElemPositionsInServer();
+                
+            }
+            //remove the toolbar
+            rootVisualElement.RemoveAt(0);
+            //remove the graph
+            rootVisualElement.Remove(myGraph);
+
+        }
+
+        private void saveElemPositionsInServer()
+        {
+            List<Trackable> trackables = TrackableRequest.GetAllTrackables(worldStorageServer);
+            List<WorldAnchor> anchors = WorldAnchorRequest.GetAllWorldAnchors(worldStorageServer);
+            foreach (Trackable serverTrack in trackables)
+            {
+                if (serverTrack.KeyvalueTags.ContainsKey("unityAuthoringPosX") && serverTrack.KeyvalueTags.ContainsKey("unityAuthoringPosY"))
+                {
+                    float xLocal = SaveInfo.instance.nodePositions[serverTrack.UUID.ToString()].x;
+                    float yLocal = SaveInfo.instance.nodePositions[serverTrack.UUID.ToString()].y;
+                    float xServer = float.Parse(serverTrack.KeyvalueTags["unityAuthoringPosX"][0]);
+                    float yServer = float.Parse(serverTrack.KeyvalueTags["unityAuthoringPosY"][0]);
+                    if ((xLocal != xServer) && (yLocal != yServer))
+                    {
+                        var posX = new List<String>();
+                        posX.Add(SaveInfo.instance.nodePositions[serverTrack.UUID.ToString()].x.ToString());
+                        serverTrack.KeyvalueTags["unityAuthoringPosX"] = posX;
+                        var posY = new List<String>();
+                        posY.Add(SaveInfo.instance.nodePositions[serverTrack.UUID.ToString()].y.ToString());
+                        serverTrack.KeyvalueTags["unityAuthoringPosY"] = posY;
+                        TrackableRequest.UpdateTrackable(worldStorageServer, serverTrack);
+                    }
+                }
+                else
+                {
+                    var posX = new List<String>();
+                    posX.Add(SaveInfo.instance.nodePositions[serverTrack.UUID.ToString()].x.ToString());
+                    serverTrack.KeyvalueTags["unityAuthoringPosX"] = posX;
+                    var posY = new List<String>();
+                    posY.Add(SaveInfo.instance.nodePositions[serverTrack.UUID.ToString()].y.ToString());
+                    serverTrack.KeyvalueTags["unityAuthoringPosY"] = posY;
+                    TrackableRequest.UpdateTrackable(worldStorageServer, serverTrack);
+                }
+            }
+            foreach (WorldAnchor serverWorldAnchor in anchors)
+            {
+                if (serverWorldAnchor.KeyvalueTags.ContainsKey("unityAuthoringPosX") && serverWorldAnchor.KeyvalueTags.ContainsKey("unityAuthoringPosY"))
+                {
+                    float xLocal = SaveInfo.instance.nodePositions[serverWorldAnchor.UUID.ToString()].x;
+                    float yLocal = SaveInfo.instance.nodePositions[serverWorldAnchor.UUID.ToString()].y;
+                    float xServer = float.Parse(serverWorldAnchor.KeyvalueTags["unityAuthoringPosX"][0]);
+                    float yServer = float.Parse(serverWorldAnchor.KeyvalueTags["unityAuthoringPosY"][0]);
+                    if ((xLocal != xServer) && (yLocal != yServer))
+                    {
+                        var posX = new List<String>();
+                        posX.Add(SaveInfo.instance.nodePositions[serverWorldAnchor.UUID.ToString()].x.ToString());
+                        serverWorldAnchor.KeyvalueTags["unityAuthoringPosX"] = posX;
+                        var posY = new List<String>();
+                        posY.Add(SaveInfo.instance.nodePositions[serverWorldAnchor.UUID.ToString()].y.ToString());
+                        serverWorldAnchor.KeyvalueTags["unityAuthoringPosY"] = posY;
+                        WorldAnchorRequest.UpdateWorldAnchor(worldStorageServer, serverWorldAnchor);
+                    }
+                }
+                else
+                {
+                    var posX = new List<String>();
+                    posX.Add(SaveInfo.instance.nodePositions[serverWorldAnchor.UUID.ToString()].x.ToString());
+                    serverWorldAnchor.KeyvalueTags["unityAuthoringPosX"] = posX;
+                    var posY = new List<String>();
+                    posY.Add(SaveInfo.instance.nodePositions[serverWorldAnchor.UUID.ToString()].y.ToString());
+                    serverWorldAnchor.KeyvalueTags["unityAuthoringPosY"] = posY;
+                    WorldAnchorRequest.UpdateWorldAnchor(worldStorageServer, serverWorldAnchor);
+                }
+            }
+        }
+
+        internal void createTrackableNode(string uUID, float posX, float posY)
+        {
+            Trackable track = TrackableRequest.GetTrackable(worldStorageServer, uUID);
+            myGraph.createTrackableNode(track, posX, posY);
+        }
+
+        internal void createAnchorNode(string uUID, float posX, float posY)
+        {
+            WorldAnchor wa = WorldAnchorRequest.GetWorldAnchor(worldStorageServer, uUID);
+            myGraph.createAnchorNode(wa, posX, posY);
+        }
+
+        internal void createLink(string uUID)
+        {
+            WorldLink worldLink = WorldLinkRequest.GetWorldLink(worldStorageServer, uUID);
+            myGraph.createLink(worldLink);
+        }
+
+        private Toolbar GenerateToolbar()
+        {
+            var toolbar = new Toolbar();
+
+            var createNodeT = new Button(clickEvent: () => {
+                TrackableWindow.ShowWindow(worldStorageServer, worldStorageUser);
+                TrackableWindow.winSingleton.nodePosX = 0;
+                TrackableWindow.winSingleton.nodePosY = 0;
+            });
+            createNodeT.text = "Create Trackable";
+            toolbar.Add(createNodeT);
+
+            var createNodeWA = new Button(clickEvent: () => {
+                WorldAnchorWindow.ShowWindow(worldStorageServer, worldStorageUser);
+                WorldAnchorWindow.winSingleton.nodePosX = 0;
+                WorldAnchorWindow.winSingleton.nodePosY = 0;
+            });
+            createNodeWA.text = "Create World Anchor";
+            toolbar.Add(createNodeWA);
+
+            toolbar.Add(new ToolbarSpacer()
+            {
+                flex = true
+            });
+
+            var reload = new Button(clickEvent: () => {
+                Reload();
+            })
+            {
+                text = "reload"
+            };
+            toolbar.Add(reload);
+
+            return toolbar;
+        }
+
+        public void ConstructGraphView()
+        {
+                myGraph = new ARFGraphView
+                {
+                    name = "ARF Graph",
+                    worldStorageServer = worldStorageServer,
+                    worldStorageUser = worldStorageUser
+                };
+            myGraph.paintWorldStorage();
+            SaveInfo.instance.toReFrame = true;
+        }
+
+        private void OnValidate()
+        {
+            Debug.Log("validate");
+        }
+
+
+        void OnGUI()
+        {
+            ori = GUI.backgroundColor; // remember ori color
+
+            gsTest = new GUIStyle("window");
+            gsTest.normal.textColor = WorldStorageWindow.arfColors[0];
+            gsTest.fontStyle = FontStyle.Bold;
+
+            EditorGUILayout.BeginVertical();
+            EditorGUILayout.Space(24);
+
+
+            EditorGUI.BeginChangeCheck();
+            worldStorageServer = (WorldStorageServer)EditorGUILayout.ObjectField("World Storage Server", worldStorageServer, typeof(WorldStorageServer), false, GUILayout.Width(500));
+            if (EditorGUI.EndChangeCheck())
+            {
+                OnDisable();
+                initNodePos();
+                OnEnable();
+                //ConstructGraphView();
+            }
+
+
+            /*EditorGUILayout.BeginHorizontal();
+            tempStorageUrl = EditorGUILayout.TextField(tempStorageUrl);
+            EditorGUILayout.LabelField(":", GUILayout.ExpandWidth(false), GUILayout.Width(5));
+            tempStoragePort = EditorGUILayout.IntField(tempStoragePort, GUILayout.ExpandWidth(false), GUILayout.Width(40));
+            GUILayout.Space(5);
+           *//* if (GUILayout.Button("Change WorldStorage"))
+            {
+                ChangeWorldStorage();
+            }*//*
+            GUILayout.FlexibleSpace();
+            EditorGUILayout.EndHorizontal();*/
+
+
+            GUI.contentColor = WorldStorageWindow.arfColors[1];
+            WorldStorageWindow.DrawCopyright();
+            if (SaveInfo.instance.toReFrame)
+            {
+                myGraph.FrameAllElements();
+                SaveInfo.instance.toReFrame = false;
+            }
+            EditorGUILayout.EndVertical();
+        }
+
+        private void ChangeWorldStorage()
+        {
+            string[] guids1 = AssetDatabase.FindAssets("t:WorldStorageServer", null);
+
+            foreach (string guid1 in guids1)
+            {
+                string path = AssetDatabase.GUIDToAssetPath(guid1);
+                WorldStorageServer server = AssetDatabase.LoadAssetAtPath(path, typeof(WorldStorageServer)) as WorldStorageServer;
+                if ((server.port == tempStoragePort)&&(server.basePath == tempStorageUrl))
+                {
+                    this.worldStorageServer = server;
+                    myGraph.worldStorageServer = server;
+                }
+                else
+                {
+                    WorldStorageServer newServer = (WorldStorageServer) ScriptableObject.CreateInstance(typeof(WorldStorageServer));
+                    newServer.basePath = tempStorageUrl;
+                }
+            }
+        }
+
+        void Update()
+        {
+        }
+
+        private bool positionshaveBeenChanged()
+        {
+            bool changed = false;
+            foreach(ARFNode node in myGraph.nodes)
+            {
+                float nodeX = node.GetPosition().x;
+                float nodeY = node.GetPosition().y;
+                float dataX = SaveInfo.instance.nodePositions[node.GUID].x;
+                float dataY = SaveInfo.instance.nodePositions[node.GUID].y;
+                if((nodeX != dataX) || (nodeY != dataY))
+                {
+                    changed = true;
+                    return changed;
+                }
+            }
+            return changed;
+        }
+
+        public void Reload()
+        {
+            if (positionshaveBeenChanged() && EditorUtility.DisplayDialog("Saving node positions", "The nodes positions have been changed, would you like to save them ?", "Yes", "No"))
+            {
+                SaveInfo.instance.nodePositions = myGraph.SavePositions();
+            }
+            myGraph.reload();
+            SaveInfo.instance.toReFrame = true;
+        }
+
+        public void RefreshWithoutReframe()
+        {
+            if (positionshaveBeenChanged() && EditorUtility.DisplayDialog("Saving node positions", "The nodes positions have been changed, would you like to save them ?", "Yes", "No"))
+            {
+                SaveInfo.instance.nodePositions = myGraph.SavePositions();
+            }
+            myGraph.reload();
+        }
+    }
 }
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs.meta
index dd5ac4d1813dc90ae515e789f26876dbdd5b8c86..3634acd839d8126d8258b4f22e39afae60708461 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs.meta	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/GraphWindow.cs.meta	
@@ -3,7 +3,10 @@ guid: 8dd64e8d8a545ab45b424402550b55a6
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
-  defaultReferences: []
+  defaultReferences:
+  - m_ViewDataDictionary: {instanceID: 0}
+  - worldStorageServer: {fileID: 11400000, guid: 3a9ba82f4e8dd124ca2b005861c64d01, type: 2}
+  - worldStorageUser: {fileID: 11400000, guid: c0696089e4a855b46ad490437919b1e8, type: 2}
   executionOrder: 0
   icon: {instanceID: 0}
   userData: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/WorldLinkListener.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/WorldLinkListener.cs
new file mode 100644
index 0000000000000000000000000000000000000000..36c855f14fcdcc3827aed119132b75f97ead4322
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/WorldLinkListener.cs	
@@ -0,0 +1,27 @@
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows;
+using ETSI.ARF.WorldStorage;
+using ETSI.ARF.WorldStorage.UI;
+using UnityEditor;
+using UnityEditor.Experimental.GraphView;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph
+{
+    public class WorldLinkListener : IEdgeConnectorListener
+    {
+        public void OnDrop(GraphView graphView, Edge edge)
+        {
+            ARFNode fromNode = edge.output.node as ARFNode;
+            ARFNode toNode = edge.input.node as ARFNode;
+
+            NodeEditorWindow.ShowWindow((ARFEdgeLink)edge);
+            //WorldLinkWindow.preFill(fromNode, toNode);
+        }
+
+        public void OnDropOutsidePort(Edge edge, Vector2 position)
+        {
+            Debug.Log("OnDropOutsidePort");
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/WorldLinkListener.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/WorldLinkListener.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..e19f2ea2695b2106e4290577b9abef17cb4dd141
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Graph/WorldLinkListener.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 54dbfcfdc75de1b46bc7da09df52db34
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/NodeEditorWindow.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/NodeEditorWindow.cs
new file mode 100644
index 0000000000000000000000000000000000000000..856a1f23855c603cdb2b37ca0b742defda852f95
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/NodeEditorWindow.cs	
@@ -0,0 +1,70 @@
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph;
+using ETSI.ARF.WorldStorage;
+using ETSI.ARF.WorldStorage.UI;
+using Org.OpenAPITools.Model;
+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows
+{
+    public class NodeEditorWindow : EditorWindow
+    {
+        public enum GraphEditorType
+        {
+            TRACKABLE,
+            WORLDANCHOR,
+            WORLDLINK
+        }
+
+        public GraphEditorType type;
+
+        // UI stuffs
+        private Vector2 scrollPos;
+        static public NodeEditorWindow winSingleton;
+
+        public static void ShowWindow(ARFNodeTrackable trackableNode)
+        {
+            Type inspectorType = Type.GetType("UnityEditor.InspectorWindow,UnityEditor.dll");
+            winSingleton = GetWindow<NodeEditorWindow>("Trackable Editor", true, inspectorType);
+            winSingleton.type = GraphEditorType.TRACKABLE;
+        }
+
+        public static void ShowWindow(ARFNodeWorldAnchor worldAnchorNode)
+        {
+            Type inspectorType = Type.GetType("UnityEditor.InspectorWindow,UnityEditor.dll");
+            winSingleton = GetWindow<NodeEditorWindow>("Anchor Editor", true, inspectorType);
+            winSingleton.type = GraphEditorType.WORLDANCHOR;
+        }
+
+        public static void ShowWindow(ARFEdgeLink graphEdge)
+        {
+            Type inspectorType = Type.GetType("UnityEditor.InspectorWindow,UnityEditor.dll");
+            winSingleton = GetWindow<NodeEditorWindow>("Link Editor", true, inspectorType);
+            winSingleton.type = GraphEditorType.WORLDLINK;
+        }
+
+        public void OnGUI()
+        {
+
+            scrollPos = EditorGUILayout.BeginScrollView(scrollPos, GUILayout.ExpandWidth(true));
+
+            switch (type)
+            {
+                case GraphEditorType.WORLDLINK:
+                    GUILayout.Label("link");
+                    break;
+                case GraphEditorType.TRACKABLE:
+                    GUILayout.Label("tra");
+                    break;
+                case GraphEditorType.WORLDANCHOR:
+                    GUILayout.Label("wa");
+                    break;
+                default:
+                    break;
+            }
+
+            EditorGUILayout.EndScrollView();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/NodeEditorWindow.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/NodeEditorWindow.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..10797498c8160eb8e60e846ba012c764bd775c18
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/NodeEditorWindow.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e219817d65c8b1f40ad85e6185e89e92
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs
index f6da0d87d4cc6ff8f44b91e4ec42199f1fd9a311..d6ac48b584c166c3c43af35d916e7b5274361505 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs	
@@ -26,7 +26,8 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEditor;
 using ETSI.ARF.WorldStorage.REST;
-
+using System;
+
 #if USING_OPENAPI_GENERATOR
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Model;
@@ -66,8 +67,15 @@ namespace ETSI.ARF.WorldStorage.UI
         private Color ori;
         private GUIStyle gsTest;
 
+        //graph params to generate the node
+        public bool useCoord;
+        public float nodePosX = 0;
+        public float nodePosY = 0;
+
         public static void ShowWindow(WorldStorageServer ws, WorldStorageUser user, string UUID = "")
-        {
+        {
+            Type inspectorType = Type.GetType("UnityEditor.InspectorWindow,UnityEditor.dll");
+            GetWindow<TrackableWindow>("Menu Editor", true, inspectorType);
             winSingleton = EditorWindow.GetWindow(typeof(TrackableWindow), false, WorldStorageWindow.winName) as TrackableWindow;
             winSingleton.worldStorageServer = ws;
             winSingleton.worldStorageUser = user;
@@ -184,8 +192,18 @@ namespace ETSI.ARF.WorldStorage.UI
                 if (string.IsNullOrEmpty(UUID) || UUID == "0") UUID = System.Guid.Empty.ToString();
                 Trackable obj = GenerateTrackable();
                 UUID = TrackableRequest.AddTrackable(worldStorageServer, obj);
-                WorldStorageWindow.WorldStorageWindowSingleton.GetTrackables();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetTrackables();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                if (GraphWindow.graphWindowSingleton != null)
+                {
+                    UUID = UUID.Replace("\"", "");
+                    GraphWindow.graphWindowSingleton.createTrackableNode(UUID, nodePosX, nodePosY);
+                }
+                Close();
             }
 
             GUI.backgroundColor = WorldStorageWindow.arfColors[2];
@@ -198,8 +216,16 @@ namespace ETSI.ARF.WorldStorage.UI
                     Trackable obj = GenerateTrackable();
                     UUID = TrackableRequest.UpdateTrackable(worldStorageServer, obj);
                 }
-                WorldStorageWindow.WorldStorageWindowSingleton.GetTrackables();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetTrackables();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                if (GraphWindow.graphWindowSingleton != null)
+                {
+                    GraphWindow.graphWindowSingleton.Reload();
+                }
+                Close();
             }
 
             // ###########################################################
@@ -212,8 +238,16 @@ namespace ETSI.ARF.WorldStorage.UI
                 creatorUUID = System.Guid.Empty.ToString();
                 type = Trackable.TrackableTypeEnum.OTHER;
                 unit = UnitSystem.CM;
-                WorldStorageWindow.WorldStorageWindowSingleton.GetTrackables();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetTrackables();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                if (GraphWindow.graphWindowSingleton != null)
+                {
+                    GraphWindow.graphWindowSingleton.Reload();
+                }
+                Close();
             }
             GUI.backgroundColor = ori;
 
@@ -283,7 +317,15 @@ namespace ETSI.ARF.WorldStorage.UI
 
             System.Guid _uuid = System.Guid.Parse(UUID);
             System.Guid _creator = System.Guid.Parse(worldStorageUser.UUID);
-            Trackable t = new Trackable(_uuid, customName, _creator, type, trackableEncodingInformation, trackablePayload, _localCRS, unit, _trackableSize, keyValueTags);
+            Trackable t = new Trackable(_uuid, customName, _creator, type, trackableEncodingInformation, trackablePayload, _localCRS, unit, _trackableSize, keyValueTags);
+
+            var posX = new List<String>();
+            posX.Add(nodePosX.ToString());
+            t.KeyvalueTags["unityAuthoringPosX"] = posX;
+            var posY = new List<String>();
+            posY.Add(nodePosY.ToString());
+            t.KeyvalueTags["unityAuthoringPosY"] = posY;
+
             return t;
         }
     }
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs.meta
index 40f6111b39dd386428e0f54851283061c614124f..020c2af305925803868dbb5f22c964e5176c8f49 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs.meta	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs.meta	
@@ -3,7 +3,10 @@ guid: 229d5ea484d30f945b9318581fb4f2da
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
-  defaultReferences: []
+  defaultReferences:
+  - m_ViewDataDictionary: {instanceID: 0}
+  - worldStorageServer: {fileID: 11400000, guid: 4f997253243de534dad12937f1284975, type: 2}
+  - worldStorageUser: {instanceID: 0}
   executionOrder: 0
   icon: {instanceID: 0}
   userData: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldAnchorWindow.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldAnchorWindow.cs
index ae8f0c379215bd756a536fc952252aca8ee6dd3a..328e95017596dfe6793c51b9387201d56bbfe1ef 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldAnchorWindow.cs	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldAnchorWindow.cs	
@@ -26,7 +26,8 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEditor;
 using ETSI.ARF.WorldStorage.REST;
-
+using System;
+
 #if USING_OPENAPI_GENERATOR
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Model;
@@ -63,8 +64,15 @@ namespace ETSI.ARF.WorldStorage.UI
         private Color ori;
         private GUIStyle gsTest;
 
+        //graph params to generate the node
+        public bool useCoord;
+        public float nodePosX = 0;
+        public float nodePosY = 0;
+
         public static void ShowWindow(WorldStorageServer ws, WorldStorageUser user, string UUID = "")
-        {
+        {
+            Type inspectorType = Type.GetType("UnityEditor.InspectorWindow,UnityEditor.dll");
+            GetWindow<WorldAnchorWindow>("WorldAnchor Editor", true, inspectorType);
             winSingleton = EditorWindow.GetWindow(typeof(WorldAnchorWindow), false, WorldStorageWindow.winName) as WorldAnchorWindow;
             winSingleton.worldStorageServer = ws;
             winSingleton.worldStorageUser = user;
@@ -162,8 +170,17 @@ namespace ETSI.ARF.WorldStorage.UI
                 if (string.IsNullOrEmpty(UUID) || UUID == "0") UUID = System.Guid.Empty.ToString();
                 WorldAnchor obj = GenerateWorldAnchor();
                 UUID = WorldAnchorRequest.AddWorldAnchor(worldStorageServer, obj);
-                WorldStorageWindow.WorldStorageWindowSingleton.GetWorldAnchors();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetWorldAnchors();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                if (GraphWindow.graphWindowSingleton != null)
+                {
+                    UUID = UUID.Replace("\"", "");
+                    GraphWindow.graphWindowSingleton.createAnchorNode(UUID, nodePosX, nodePosY);
+                }
+                Close();
             }
 
             GUI.backgroundColor = WorldStorageWindow.arfColors[2];
@@ -174,10 +191,18 @@ namespace ETSI.ARF.WorldStorage.UI
                 if (!string.IsNullOrEmpty(UUID) && UUID != "0")
                 {
                     WorldAnchor obj = GenerateWorldAnchor();
-                    UUID = WorldAnchorRequest.UpdateWorldAnchor(worldStorageServer, obj);
-                    WorldStorageWindow.WorldStorageWindowSingleton.GetWorldAnchors();
-                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                    UUID = WorldAnchorRequest.UpdateWorldAnchor(worldStorageServer, obj);
+                    if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                    {
+                        WorldStorageWindow.WorldStorageWindowSingleton.GetWorldAnchors();
+                        WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                    }
+                    if (GraphWindow.graphWindowSingleton != null)
+                    {
+                        GraphWindow.graphWindowSingleton.Reload();
+                    }
                 }
+                Close();
             }
 
             // ###########################################################
@@ -189,8 +214,16 @@ namespace ETSI.ARF.WorldStorage.UI
                 UUID = System.Guid.Empty.ToString();
                 creatorUUID = System.Guid.Empty.ToString();
                 unit = UnitSystem.CM;
-                WorldStorageWindow.WorldStorageWindowSingleton.GetWorldAnchors();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetWorldAnchors();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                if (GraphWindow.graphWindowSingleton != null)
+                {
+                    GraphWindow.graphWindowSingleton.Reload();
+                }
+                Close();
             }
             GUI.backgroundColor = ori;
 
@@ -239,9 +272,9 @@ namespace ETSI.ARF.WorldStorage.UI
 #else
     List<double?> trackableDimension = new List<double?>();
 #endif
-            _worldAnchorSize.Add(worldAnchorSize.x);
             _worldAnchorSize.Add(worldAnchorSize.x);
             _worldAnchorSize.Add(worldAnchorSize.y);
+            _worldAnchorSize.Add(worldAnchorSize.z);
             Debug.Log("Created dimension");
 
             Matrix4x4 localCRS = new Matrix4x4();
@@ -256,7 +289,15 @@ namespace ETSI.ARF.WorldStorage.UI
 
             System.Guid _uuid = System.Guid.Parse(UUID);
             System.Guid _creator = System.Guid.Parse(worldStorageUser.UUID);
-            WorldAnchor t = new WorldAnchor(_uuid, customName, _creator, _localCRS, unit, _worldAnchorSize, keyValueTags);
+            WorldAnchor t = new WorldAnchor(_uuid, customName, _creator, _localCRS, unit, _worldAnchorSize, keyValueTags);
+
+            var posX = new List<String>();
+            posX.Add(nodePosX.ToString());
+            t.KeyvalueTags["unityAuthoringPosX"] = posX;
+            var posY = new List<String>();
+            posY.Add(nodePosY.ToString());
+            t.KeyvalueTags["unityAuthoringPosY"] = posY;
+
             return t;
         }
     }
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldGraphWindow.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldGraphWindow.cs
new file mode 100644
index 0000000000000000000000000000000000000000..d20562f0cfcdcd47452acd25aadfeea9e3065e00
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldGraphWindow.cs	
@@ -0,0 +1,218 @@
+using ETSI.ARF.WorldStorage;
+using ETSI.ARF.WorldStorage.REST;
+using ETSI.ARF.WorldStorage.UI;
+using Org.OpenAPITools.Model;
+using System;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEditor.UIElements;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Windows
+{
+    public class WorldGraphWindow : EditorWindow
+    {
+
+        [HideInInspector] public WorldStorageServer worldStorageServer;
+        [HideInInspector] public WorldStorageUser worldStorageUser;
+
+        private ARFGraphView myGraph;
+
+        [MenuItem("ARFWorldStorage/Edit Graph...")]
+        public static void ShowWindow()
+        {
+            GetWindow<WorldGraphWindow>("Graph Editor", true, typeof(SceneView));
+        }
+
+        public void OnEnable()
+        {
+            if (SaveInfo.instance.nodePositions == null)
+            {
+                SaveInfo.instance.initNodePos(worldStorageServer);
+            }
+
+            rootVisualElement.Add(GenerateToolbar());
+
+            ConstructGraphView();
+            myGraph.style.top = Length.Percent(11);
+            rootVisualElement.Add(myGraph);
+        }
+
+        //initiate the graphView Attribute 
+        public void ConstructGraphView()
+        {
+            myGraph = new ARFGraphView
+            {
+                name = "ARF Graph",
+                worldStorageServer = worldStorageServer,
+                worldStorageUser = worldStorageUser
+            };
+            //top offset so that the graph does'nt overlap with the rest of the ui
+            myGraph.style.top = Length.Percent(11);
+            myGraph.paintWorldStorage();
+            myGraph.StretchToParentSize();
+            SaveInfo.instance.toReFrame = true;
+        }
+
+
+        void OnGUI()
+        {
+            EditorGUILayout.BeginVertical();
+            EditorGUILayout.Space(24);
+
+            EditorGUI.BeginChangeCheck();
+            worldStorageServer = (WorldStorageServer)EditorGUILayout.ObjectField("World Storage Server", worldStorageServer, typeof(WorldStorageServer), false, GUILayout.Width(500));
+            if (EditorGUI.EndChangeCheck())
+            {
+                myGraph.saveElemPositionsInServer();
+                rootVisualElement.Remove(myGraph);
+
+                SaveInfo.instance.initNodePos(worldStorageServer);
+
+                ConstructGraphView();
+                myGraph.style.top = Length.Percent(11);
+                rootVisualElement.Add(myGraph);
+            }
+
+
+            //reframe all elements to see them all
+            if (SaveInfo.instance.toReFrame)
+            {
+                myGraph.FrameAllElements();
+                SaveInfo.instance.toReFrame = false;
+            }
+            EditorGUILayout.EndVertical();
+        }
+        private bool localAndServerDifferent()
+        {
+            foreach (ARFNode node in myGraph.nodes)
+            {
+                float nodeX = node.GetPosition().x;
+                float nodeY = node.GetPosition().y;
+                if (SaveInfo.instance.nodePositions.ContainsKey(node.GUID)){ 
+                    float dataX = SaveInfo.instance.nodePositions[node.GUID].x;
+                    float dataY = SaveInfo.instance.nodePositions[node.GUID].y;
+                    if ((nodeX != dataX) || (nodeY != dataY))
+                    {
+                        return true;
+                    }
+                }
+                else
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+
+        //generate the window's top toolbar
+        private Toolbar GenerateToolbar()
+        {
+            var toolbar = new Toolbar();
+
+            var createNodeT = new Button(clickEvent: () =>
+            {
+                TrackableWindow.ShowWindow(worldStorageServer, worldStorageUser);
+                TrackableWindow.winSingleton.nodePosX = 0;
+                TrackableWindow.winSingleton.nodePosY = 0;
+            });
+            createNodeT.text = "Create Trackable";
+            toolbar.Add(createNodeT);
+
+            var createNodeWA = new Button(clickEvent: () =>
+            {
+                WorldAnchorWindow.ShowWindow(worldStorageServer, worldStorageUser);
+                WorldAnchorWindow.winSingleton.nodePosX = 0;
+                WorldAnchorWindow.winSingleton.nodePosY = 0;
+            });
+            createNodeWA.text = "Create World Anchor";
+            toolbar.Add(createNodeWA);
+
+            toolbar.Add(new ToolbarSpacer()
+            {
+                flex = true
+            });
+
+            var save = new Button(clickEvent: () =>
+            {
+                myGraph.saveElemPositionsInServer();
+            })
+            {
+                text = "Save"
+            };
+            toolbar.Add(save);
+
+            return toolbar;
+        }
+    }
+
+    public class SaveInfo : ScriptableSingleton<SaveInfo>
+    {
+        [SerializeField]
+        public Dictionary<String, Rect> nodePositions;
+        public List<String> linkIds;
+
+        public List<String> elemsToRemove;
+
+        //keep the info of the graph reframe
+        public Boolean toReFrame = false;
+
+        public WorldStorageServer worldStorageServer;
+
+        public void initNodePos(WorldStorageServer server)
+        {
+            worldStorageServer = server;
+
+            instance.nodePositions = new Dictionary<string, Rect>();
+            foreach (Trackable track in TrackableRequest.GetAllTrackables(worldStorageServer))
+            {
+                if (track.KeyvalueTags.ContainsKey("unityAuthoringPosX") && track.KeyvalueTags.ContainsKey("unityAuthoringPosY"))
+                {
+                    var posX = RoundToNearestHalf(float.Parse(track.KeyvalueTags["unityAuthoringPosX"][0]));
+                    var posY = RoundToNearestHalf(float.Parse(track.KeyvalueTags["unityAuthoringPosY"][0]));
+                    Rect trackPos = new Rect(posX, posY, 135, 77);
+                    instance.nodePositions[track.UUID.ToString()] = trackPos;
+                }
+                else
+                {
+                    Rect trackPos = new Rect(0, 0, 135, 77);
+                    instance.nodePositions[track.UUID.ToString()] = trackPos;
+                }
+            }
+            foreach (WorldAnchor wa in WorldAnchorRequest.GetAllWorldAnchors(worldStorageServer))
+            {
+                if (wa.KeyvalueTags.ContainsKey("unityAuthoringPosX") && wa.KeyvalueTags.ContainsKey("unityAuthoringPosY"))
+                {
+                    var posX = RoundToNearestHalf(float.Parse(wa.KeyvalueTags["unityAuthoringPosX"][0]));
+                    var posY = RoundToNearestHalf(float.Parse(wa.KeyvalueTags["unityAuthoringPosY"][0]));
+                    Rect waPos = new Rect(posX, posY, 135, 77);
+                    instance.nodePositions[wa.UUID.ToString()] = waPos;
+                }
+                else
+                {
+                    Rect trackPos = new Rect(0, 0, 135, 77);
+                    instance.nodePositions[wa.UUID.ToString()] = trackPos;
+                }
+            }
+
+            instance.linkIds = new List<string>();
+            foreach (WorldLink link in WorldLinkRequest.GetAllWorldLinks(worldStorageServer))
+            {
+                instance.linkIds.Add(link.UUID.ToString());
+            }
+            instance.toReFrame = true;
+
+            instance.elemsToRemove = new List<string>();
+        }
+
+        //method to predict the position of a node (the float that will be saved in the PositionInfo singleton)
+        public static float RoundToNearestHalf(float a)
+        {
+            return a = Mathf.Round(a * 2f) * 0.5f;
+        }
+
+
+    }
+}
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldGraphWindow.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldGraphWindow.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..ad87e74086ff41b3f880eabd557dad72ed921bc7
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldGraphWindow.cs.meta	
@@ -0,0 +1,14 @@
+fileFormatVersion: 2
+guid: 2c1a0c92306453d46897c1af6cb5c2f9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences:
+  - m_ViewDataDictionary: {instanceID: 0}
+  - worldStorageServer: {fileID: 11400000, guid: 777684ed8f62c9d408a1813e8382c676, type: 2}
+  - worldStorageUser: {fileID: 11400000, guid: c0696089e4a855b46ad490437919b1e8, type: 2}
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldLinkWindow.cs b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldLinkWindow.cs
index 039ca12bd60d73fa1e2c80918e3796763059ee4b..bbd3b002ae694f5d2721034780c9e70294f1b147 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldLinkWindow.cs	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldLinkWindow.cs	
@@ -1,299 +1,365 @@
-//
-// ARF - Augmented Reality Framework (ETSI ISG ARF)
-//
-// Copyright 2022 ETSI
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// Last change: June 2022
-//
-
-#define USING_OPENAPI_GENERATOR // alt. is Swagger
-#define isDEBUG
-
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEditor;
-using ETSI.ARF.WorldStorage.REST;
-
-#if USING_OPENAPI_GENERATOR
-using Org.OpenAPITools.Api;
-using Org.OpenAPITools.Model;
-#else
-using IO.Swagger.Api;
-using IO.Swagger.Model;
-#endif
-
-namespace ETSI.ARF.WorldStorage.UI
-{
-    public class WorldLinkWindow : EditorWindow
-    {
-        static public WorldLinkWindow winSingleton;
-
-        [HideInInspector] public WorldStorageServer worldStorageServer;
-        [HideInInspector] public WorldStorageUser worldStorageUser;
-
-        [SerializeField] public List<string> anchors = new List<string>();
-
-        bool groupEnabled;
-        private static GUILayoutOption miniButtonWidth = GUILayout.Width(50);
-
-        // World Anchors params
-        string UUID = System.Guid.Empty.ToString();
-        string customName = "(no name for World Links)";
-        string creatorUUID = System.Guid.Empty.ToString();
-        // From...
-        private bool showListFrom = true;
-        string fromName = "(none)";
-        string fromUUID = System.Guid.Empty.ToString();
-        // To...
-        private bool showListTo = true;
-        string toName = "(none)";
-        string toUUID = System.Guid.Empty.ToString();
-
-        UnitSystem unit = UnitSystem.CM;
-        ObjectType fromType = ObjectType.NotIdentified, toType = ObjectType.NotIdentified;
-        Vector3 localCRS_pos;
-        Vector3 localCRS_rot;
-        [SerializeField] Dictionary<string, List<string>> keyValueTags = new Dictionary<string, List<string>>();
-
-        // UI stuffs
-        private Vector2 scrollPos;
-        private Color ori;
-        private GUIStyle gsTest;
-
-        public static void ShowWindow(WorldStorageServer ws, WorldStorageUser user, string UUID = "")
-        {
-            winSingleton = EditorWindow.GetWindow(typeof(WorldLinkWindow), false, WorldStorageWindow.winName) as WorldLinkWindow;
-            winSingleton.worldStorageServer = ws;
-            winSingleton.worldStorageUser = user;
-            if (!string.IsNullOrEmpty(UUID))
-            {
-                winSingleton.UUID = UUID;
-                winSingleton.GetWorldLinkParams();
-            }
-        }
-
-        public WorldLinkWindow()
-        {
-            // init somne stuffs
-        }
-
-        void OnGUI()
-        {
-            ori = GUI.backgroundColor; // remember ori color
-
-            gsTest = new GUIStyle("window");
-            gsTest.normal.textColor = WorldStorageWindow.arfColors[0];
-            gsTest.fontStyle = FontStyle.Bold;
-
-            scrollPos = EditorGUILayout.BeginScrollView(scrollPos, GUILayout.ExpandWidth(true));
-            WorldStorageWindow.DrawCopyright();
-
-            DrawAnchorStuffs();
-
-            EditorGUILayout.EndScrollView();
-
-            if (GUILayout.Button("Close Window"))
-            {
-                Close();
-            }
-        }
-
-        void DrawAnchorStuffs()
-        {
-            GUILayout.BeginVertical("World Link Editor", gsTest);
-            //
-            GUILayout.Label("Server: " + worldStorageServer.serverName, EditorStyles.whiteLargeLabel);
-            GUILayout.Label("User: " + worldStorageUser.userName, EditorStyles.whiteLargeLabel);
-            EditorGUILayout.Space();
-
-            //GUILayout.BeginHorizontal();
-            customName = EditorGUILayout.TextField("Name of Link", customName);
-#if isDEBUG
-            GUILayout.Label("UUID: " + UUID, EditorStyles.miniLabel); // readonly
-            GUILayout.Label("Creator UID: " + creatorUUID, EditorStyles.miniLabel); // readonly
-#endif
-            EditorGUILayout.Space();
-
-            GUI.backgroundColor = WorldStorageWindow.arfColors[1];
-            if (GUILayout.Button("Read Parameters"))
-            {
-                UUID = WorldStorageWindow.GetUUIDFromString(customName);
-                if (UUID == null) UUID = customName; // try this
-                GetWorldLinkParams();
-            }
-            GUI.backgroundColor = ori;
-
-            unit = (UnitSystem)EditorGUILayout.EnumPopup("Unit System:", unit);
-
-            EditorGUILayout.Space();
-            showListFrom = EditorGUILayout.Foldout(showListFrom, "Parent Object (From)");
-            if (showListFrom)
-            {
-                EditorGUILayout.BeginHorizontal();
-                fromUUID = EditorGUILayout.TextField("UUID", fromUUID);
-                GUI.backgroundColor = WorldStorageWindow.arfColors[1];
-                if (GUILayout.Button("Find", EditorStyles.miniButtonLeft, miniButtonWidth))
-                {
-                    // TODO Request the object from the server
-                    fromName = "(not implemented yet)";
-                    fromType = ObjectType.NotIdentified;
-                }
-                EditorGUILayout.EndHorizontal();
-                GUI.backgroundColor = ori;
-                fromName = EditorGUILayout.TextField("Name", fromName);
-                fromType = (ObjectType)EditorGUILayout.EnumPopup("Type:", fromType);
-            }
-
-            EditorGUILayout.Space();
-            showListTo = EditorGUILayout.Foldout(showListTo, "Child Object (To)");
-            if (showListTo)
-            {
-                EditorGUILayout.BeginHorizontal();
-                toUUID = EditorGUILayout.TextField("UUID", toUUID);
-                GUI.backgroundColor = WorldStorageWindow.arfColors[1];
-                if (GUILayout.Button("Find", EditorStyles.miniButtonLeft, miniButtonWidth))
-                {
-                    // TODO Request the object from the server
-                    toName = "(not implemented yet)";
-                    toType = ObjectType.NotIdentified;
-                }
-                EditorGUILayout.EndHorizontal();
-                GUI.backgroundColor = ori;
-                toName = EditorGUILayout.TextField("Name", toName);
-                toType = (ObjectType)EditorGUILayout.EnumPopup("Type:", toType);
-            }
-
-            EditorGUILayout.Space(10);
-            GUILayout.Label("Local CRS:");
-            localCRS_pos = EditorGUILayout.Vector3Field("Position:", localCRS_pos);
-            localCRS_rot = EditorGUILayout.Vector3Field("Rotation:", localCRS_rot);
-
-            EditorGUILayout.Space();
-            groupEnabled = EditorGUILayout.BeginToggleGroup("Optional Parameters:", groupEnabled);
-            //EditorGUILayout.IntField("Number of KeyValues", 0);
-            //EditorGUILayout.Space();
-            //EditorGUILayout.TextField("Key", "");
-            //EditorGUILayout.TextField("Value", "");
-            if (GUILayout.Button("Generate Dummy Key Values"))
-            {
-                // dummy
-                keyValueTags.Clear();
-                keyValueTags.Add("Location", new List<string> { "Room1" });
-            }
-            EditorGUILayout.EndToggleGroup();
-            //
-            GUILayout.EndVertical();
-
-            // ###########################################################
-            GUI.backgroundColor = WorldStorageWindow.arfColors[1];
-            if (GUILayout.Button("Create New World Link"))
-            {
-                Debug.Log("POST World Link");
-
-                UUID = "0";
-                if (string.IsNullOrEmpty(UUID) || UUID == "0") UUID = System.Guid.Empty.ToString();
-                WorldLink obj = GenerateWorldLink();
-                UUID = WorldLinkRequest.AddWorldLink(worldStorageServer, obj);
-                WorldStorageWindow.WorldStorageWindowSingleton.GetWorldLinks();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
-            }
-
-            GUI.backgroundColor = WorldStorageWindow.arfColors[2];
-            if (GUILayout.Button("Modify World Link"))
-            {
-                Debug.Log("PUT World Link");
-
-                if (!string.IsNullOrEmpty(UUID) && UUID != "0")
-                {
-                    WorldLink obj = GenerateWorldLink();
-                    UUID = WorldLinkRequest.UpdateWorldLink(worldStorageServer, obj);
-                    WorldStorageWindow.WorldStorageWindowSingleton.GetWorldLinks();
-                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
-                }
-            }
-
-            // ###########################################################
-            GUI.backgroundColor = WorldStorageWindow.arfColors[3];
-            if (GUILayout.Button("Delete World Link"))
-            {
-                Debug.Log("Delete World Link");
-                WorldLinkRequest.DeleteWorldLink(worldStorageServer, UUID);
-                UUID = System.Guid.Empty.ToString();
-                creatorUUID = System.Guid.Empty.ToString();
-                unit = UnitSystem.CM;
-                WorldStorageWindow.WorldStorageWindowSingleton.GetWorldLinks();
-                WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
-            }
-            GUI.backgroundColor = ori;
-
-            // ###########################################################
-            GUI.backgroundColor = WorldStorageWindow.arfColors[5];
-            if (GUILayout.Button("Generate GameObject Component"))
-            {
-            }
-            GUI.backgroundColor = ori;
-        }
-
-        private void GetWorldLinkParams()
-        {
-            WorldLink obj = WorldLinkRequest.GetWorldLink(worldStorageServer, UUID);
-            //customName = obj.Name;
-            creatorUUID = obj.CreatorUUID.ToString();
-            fromUUID = obj.UUIDFrom.ToString();
-            toUUID = obj.UUIDTo.ToString();
-            fromType = obj.TypeFrom;
-            toType = obj.TypeTo;
-            unit = obj.Unit;
-            if (obj.Transform.Count == 16)
-            {
-                Matrix4x4 localCRS = new Matrix4x4();
-                localCRS.m00 = obj.Transform[0]; localCRS.m01 = obj.Transform[1]; localCRS.m02 = obj.Transform[2]; localCRS.m03 = obj.Transform[3];
-                localCRS.m10 = obj.Transform[4]; localCRS.m11 = obj.Transform[5]; localCRS.m12 = obj.Transform[6]; localCRS.m13 = obj.Transform[7];
-                localCRS.m20 = obj.Transform[8]; localCRS.m21 = obj.Transform[9]; localCRS.m22 = obj.Transform[10]; localCRS.m23 = obj.Transform[11];
-                localCRS.m30 = obj.Transform[12]; localCRS.m31 = obj.Transform[13]; localCRS.m32 = obj.Transform[14]; localCRS.m33 = obj.Transform[15];
-                localCRS_pos = localCRS.GetPosition();
-                localCRS_rot = localCRS.rotation.eulerAngles;
-            }
-            else
-            {
-                localCRS_pos = Vector3.zero;
-                localCRS_rot = Vector3.zero;
-            }
-            keyValueTags = obj.KeyvalueTags;
-            this.Repaint(); // TODO
-        }
-
-        public WorldLink GenerateWorldLink()
-        {
-            Matrix4x4 localCRS = new Matrix4x4();
-            localCRS = Matrix4x4.TRS(localCRS_pos, Quaternion.Euler(localCRS_rot), Vector3.one);
-            List<float> _transform3d = new List<float>
-            {
-                localCRS.m00,    localCRS.m01,    localCRS.m02,    localCRS.m03,
-                localCRS.m10,    localCRS.m11,    localCRS.m12,    localCRS.m13,
-                localCRS.m20,    localCRS.m21,    localCRS.m22,    localCRS.m23,
-                localCRS.m30,    localCRS.m31,    localCRS.m32,    localCRS.m33,
-            };
-
-            System.Guid _uuid = System.Guid.Parse(UUID);
-            System.Guid _creator = System.Guid.Parse(worldStorageUser.UUID);
-            System.Guid _from = System.Guid.Parse(fromUUID);
-            System.Guid _to = System.Guid.Parse(toUUID);
-            WorldLink t = new WorldLink(_uuid, _creator, _to, _from, fromType, toType, _transform3d, unit, keyValueTags);
-            return t;
-        }
-    }
+//
+// ARF - Augmented Reality Framework (ETSI ISG ARF)
+//
+// Copyright 2022 ETSI
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Last change: June 2022
+//
+
+#define USING_OPENAPI_GENERATOR // alt. is Swagger
+#define isDEBUG
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using ETSI.ARF.WorldStorage.REST;
+using Assets.ETSI.ARF.ARF_World_Storage_API.Editor.Graph;
+using System;
+
+#if USING_OPENAPI_GENERATOR
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+#else
+using IO.Swagger.Api;
+using IO.Swagger.Model;
+#endif
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+    public class WorldLinkWindow : EditorWindow
+    {
+        static public WorldLinkWindow winSingleton;
+
+        [HideInInspector] public WorldStorageServer worldStorageServer;
+        [HideInInspector] public WorldStorageUser worldStorageUser;
+
+        [SerializeField] public List<string> anchors = new List<string>();
+
+        bool groupEnabled;
+        private static GUILayoutOption miniButtonWidth = GUILayout.Width(50);
+
+        // World Anchors params
+        string UUID = System.Guid.Empty.ToString();
+        string customName = "(no name for World Links)";
+        string creatorUUID = System.Guid.Empty.ToString();
+        // From...
+        private bool showListFrom = true;
+        string fromName = "(none)";
+        string fromUUID = System.Guid.Empty.ToString();
+        // To...
+        private bool showListTo = true;
+        string toName = "(none)";
+        string toUUID = System.Guid.Empty.ToString();
+
+        UnitSystem unit = UnitSystem.CM;
+        ObjectType fromType = ObjectType.NotIdentified, toType = ObjectType.NotIdentified;
+        Vector3 localCRS_pos;
+        Vector3 localCRS_rot;
+        [SerializeField] Dictionary<string, List<string>> keyValueTags = new Dictionary<string, List<string>>();
+
+        // UI stuffs
+        private Vector2 scrollPos;
+        private Color ori;
+        private GUIStyle gsTest;
+
+        //graph
+        public ARFEdgeLink graphEdge;
+
+        public static void ShowWindow(WorldStorageServer ws, WorldStorageUser user, string UUID = "")
+        {
+            Type inspectorType = Type.GetType("UnityEditor.InspectorWindow,UnityEditor.dll");
+            GetWindow<WorldLinkWindow>("Menu Editor", true, inspectorType);
+            winSingleton = EditorWindow.GetWindow(typeof(WorldLinkWindow), false, WorldStorageWindow.winName) as WorldLinkWindow;
+            winSingleton.worldStorageServer = ws;
+            winSingleton.worldStorageUser = user;
+            if (!string.IsNullOrEmpty(UUID))
+            {
+                winSingleton.UUID = UUID;
+                winSingleton.GetWorldLinkParams();
+            }
+        }
+
+        public WorldLinkWindow()
+        {
+            // init somne stuffs
+        }
+
+        void OnGUI()
+        {
+            ori = GUI.backgroundColor; // remember ori color
+
+            gsTest = new GUIStyle("window");
+            gsTest.normal.textColor = WorldStorageWindow.arfColors[0];
+            gsTest.fontStyle = FontStyle.Bold;
+
+            scrollPos = EditorGUILayout.BeginScrollView(scrollPos, GUILayout.ExpandWidth(true));
+            WorldStorageWindow.DrawCopyright();
+
+            DrawAnchorStuffs();
+
+            EditorGUILayout.EndScrollView();
+
+            if (GUILayout.Button("Close Window"))
+            {
+                Close();
+            }
+        }
+
+        void DrawAnchorStuffs()
+        {
+            GUILayout.BeginVertical("World Link Editor", gsTest);
+            //
+            GUILayout.Label("Server: " + worldStorageServer.serverName, EditorStyles.whiteLargeLabel);
+            GUILayout.Label("User: " + worldStorageUser.userName, EditorStyles.whiteLargeLabel);
+            EditorGUILayout.Space();
+
+            //GUILayout.BeginHorizontal();
+            customName = EditorGUILayout.TextField("Name of Link", customName);
+#if isDEBUG
+            GUILayout.Label("UUID: " + UUID, EditorStyles.miniLabel); // readonly
+            GUILayout.Label("Creator UID: " + creatorUUID, EditorStyles.miniLabel); // readonly
+#endif
+            EditorGUILayout.Space();
+
+            GUI.backgroundColor = WorldStorageWindow.arfColors[1];
+            if (GUILayout.Button("Read Parameters"))
+            {
+                UUID = WorldStorageWindow.GetUUIDFromString(customName);
+                if (UUID == null) UUID = customName; // try this
+                GetWorldLinkParams();
+            }
+            GUI.backgroundColor = ori;
+
+            unit = (UnitSystem)EditorGUILayout.EnumPopup("Unit System:", unit);
+
+            EditorGUILayout.Space();
+            showListFrom = EditorGUILayout.Foldout(showListFrom, "Parent Object (From)");
+            if (showListFrom)
+            {
+                EditorGUILayout.BeginHorizontal();
+                fromUUID = EditorGUILayout.TextField("UUID", fromUUID);
+                GUI.backgroundColor = WorldStorageWindow.arfColors[1];
+                if (GUILayout.Button("Find", EditorStyles.miniButtonLeft, miniButtonWidth))
+                {
+                    // TODO Request the object from the server
+                    fromName = "(not implemented yet)";
+                    fromType = ObjectType.NotIdentified;
+                }
+                EditorGUILayout.EndHorizontal();
+                GUI.backgroundColor = ori;
+                fromName = EditorGUILayout.TextField("Name", fromName);
+                fromType = (ObjectType)EditorGUILayout.EnumPopup("Type:", fromType);
+            }
+
+            EditorGUILayout.Space();
+            showListTo = EditorGUILayout.Foldout(showListTo, "Child Object (To)");
+            if (showListTo)
+            {
+                EditorGUILayout.BeginHorizontal();
+                toUUID = EditorGUILayout.TextField("UUID", toUUID);
+                GUI.backgroundColor = WorldStorageWindow.arfColors[1];
+                if (GUILayout.Button("Find", EditorStyles.miniButtonLeft, miniButtonWidth))
+                {
+                    // TODO Request the object from the server
+                    toName = "(not implemented yet)";
+                    toType = ObjectType.NotIdentified;
+                }
+                EditorGUILayout.EndHorizontal();
+                GUI.backgroundColor = ori;
+                toName = EditorGUILayout.TextField("Name", toName);
+                toType = (ObjectType)EditorGUILayout.EnumPopup("Type:", toType);
+            }
+
+            EditorGUILayout.Space(10);
+            GUILayout.Label("Local CRS:");
+            localCRS_pos = EditorGUILayout.Vector3Field("Position:", localCRS_pos);
+            localCRS_rot = EditorGUILayout.Vector3Field("Rotation:", localCRS_rot);
+
+            EditorGUILayout.Space();
+            groupEnabled = EditorGUILayout.BeginToggleGroup("Optional Parameters:", groupEnabled);
+            //EditorGUILayout.IntField("Number of KeyValues", 0);
+            //EditorGUILayout.Space();
+            //EditorGUILayout.TextField("Key", "");
+            //EditorGUILayout.TextField("Value", "");
+            if (GUILayout.Button("Generate Dummy Key Values"))
+            {
+                // dummy
+                keyValueTags.Clear();
+                keyValueTags.Add("Location", new List<string> { "Room1" });
+            }
+            EditorGUILayout.EndToggleGroup();
+            //
+            GUILayout.EndVertical();
+
+            // ###########################################################
+            GUI.backgroundColor = WorldStorageWindow.arfColors[1];
+            if (GUILayout.Button("Create New World Link"))
+            {
+                UUID = "0";
+                if (string.IsNullOrEmpty(UUID) || UUID == "0") UUID = System.Guid.Empty.ToString();
+                WorldLink obj = GenerateWorldLink();
+                UUID = WorldLinkRequest.AddWorldLink(worldStorageServer, obj);
+
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetWorldLinks();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                if (graphEdge != null/*GraphWindow.graphWindowSingleton != null*/)
+                {
+                    UUID = UUID.Replace("\"", "");
+                    obj.UUID = System.Guid.Parse(UUID);
+                    graphEdge.worldLink = obj;
+                }
+                Close();
+            }
+
+            GUI.backgroundColor = WorldStorageWindow.arfColors[2];
+            if (GUILayout.Button("Modify World Link"))
+            {
+                Debug.Log("PUT World Link");
+
+                if (!string.IsNullOrEmpty(UUID) && UUID != "0")
+                {
+                    WorldLink obj = GenerateWorldLink();
+                    UUID = WorldLinkRequest.UpdateWorldLink(worldStorageServer, obj);
+
+                    if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                    {
+                        WorldStorageWindow.WorldStorageWindowSingleton.GetWorldLinks();
+                        WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                    }
+                }
+                Close();
+            }
+
+            // ###########################################################
+            GUI.backgroundColor = WorldStorageWindow.arfColors[3];
+            if (GUILayout.Button("Delete World Link"))
+            {
+                Debug.Log("Delete World Link");
+                WorldLinkRequest.DeleteWorldLink(worldStorageServer, UUID);
+                UUID = System.Guid.Empty.ToString();
+                creatorUUID = System.Guid.Empty.ToString();
+                unit = UnitSystem.CM;
+
+                if (WorldStorageWindow.WorldStorageWindowSingleton != null)
+                {
+                    WorldStorageWindow.WorldStorageWindowSingleton.GetWorldLinks();
+                    WorldStorageWindow.WorldStorageWindowSingleton.Repaint();
+                }
+                Close();
+            }
+            GUI.backgroundColor = ori;
+
+            // ###########################################################
+            GUI.backgroundColor = WorldStorageWindow.arfColors[5];
+            if (GUILayout.Button("Generate GameObject Component"))
+            {
+            }
+            GUI.backgroundColor = ori;
+        }
+
+        private void GetWorldLinkParams()
+        {
+            WorldLink obj = WorldLinkRequest.GetWorldLink(worldStorageServer, UUID);
+            //customName = obj.Name;
+            creatorUUID = obj.CreatorUUID.ToString();
+            fromUUID = obj.UUIDFrom.ToString();
+            toUUID = obj.UUIDTo.ToString();
+            fromType = obj.TypeFrom;
+            toType = obj.TypeTo;
+            unit = obj.Unit;
+            if (obj.Transform.Count == 16)
+            {
+                Matrix4x4 localCRS = new Matrix4x4();
+                localCRS.m00 = obj.Transform[0]; localCRS.m01 = obj.Transform[1]; localCRS.m02 = obj.Transform[2]; localCRS.m03 = obj.Transform[3];
+                localCRS.m10 = obj.Transform[4]; localCRS.m11 = obj.Transform[5]; localCRS.m12 = obj.Transform[6]; localCRS.m13 = obj.Transform[7];
+                localCRS.m20 = obj.Transform[8]; localCRS.m21 = obj.Transform[9]; localCRS.m22 = obj.Transform[10]; localCRS.m23 = obj.Transform[11];
+                localCRS.m30 = obj.Transform[12]; localCRS.m31 = obj.Transform[13]; localCRS.m32 = obj.Transform[14]; localCRS.m33 = obj.Transform[15];
+                localCRS_pos = localCRS.GetPosition();
+                localCRS_rot = localCRS.rotation.eulerAngles;
+            }
+            else
+            {
+                localCRS_pos = Vector3.zero;
+                localCRS_rot = Vector3.zero;
+            }
+            keyValueTags = obj.KeyvalueTags;
+            this.Repaint(); // TODO
+        }
+
+        public WorldLink GenerateWorldLink()
+        {
+            Matrix4x4 localCRS = new Matrix4x4();
+            localCRS = Matrix4x4.TRS(localCRS_pos, Quaternion.Euler(localCRS_rot), Vector3.one);
+            List<float> _transform3d = new List<float>
+            {
+                localCRS.m00,    localCRS.m01,    localCRS.m02,    localCRS.m03,
+                localCRS.m10,    localCRS.m11,    localCRS.m12,    localCRS.m13,
+                localCRS.m20,    localCRS.m21,    localCRS.m22,    localCRS.m23,
+                localCRS.m30,    localCRS.m31,    localCRS.m32,    localCRS.m33,
+            };
+
+            System.Guid _uuid = System.Guid.Parse(UUID);
+            System.Guid _creator = System.Guid.Parse(worldStorageUser.UUID);
+            System.Guid _from = System.Guid.Parse(fromUUID);
+            System.Guid _to = System.Guid.Parse(toUUID);
+            WorldLink t = new WorldLink(_uuid, _creator, _from, _to, fromType, toType, _transform3d, unit, keyValueTags);
+            return t;
+        }
+
+        public static void preFill(ARFNode nodeFrom, ARFNode nodeTo)
+        {
+            //fromNode
+            ARFNodeTrackable nodeFromTrackable = nodeFrom as ARFNodeTrackable;
+            ARFNodeWorldAnchor nodeFromWorldAnchor = nodeFrom as ARFNodeWorldAnchor;
+            if (nodeFromTrackable != null)
+            {
+                Trackable trackFrom = nodeFromTrackable.trackable;
+                winSingleton.fromName = trackFrom.Name;
+                winSingleton.fromUUID = trackFrom.UUID.ToString();
+                winSingleton.fromType = ObjectType.Trackable;
+            }
+            else if (nodeFromWorldAnchor != null)
+            {
+                WorldAnchor worldAnchorFrom = nodeFromWorldAnchor.worldAnchor;
+                winSingleton.fromName = worldAnchorFrom.Name;
+                winSingleton.fromUUID = worldAnchorFrom.UUID.ToString();
+                winSingleton.fromType = ObjectType.WorldAnchor;
+            }
+
+            //toNode
+            ARFNodeTrackable nodeToTrackable = nodeTo as ARFNodeTrackable;
+            ARFNodeWorldAnchor nodeToWorldAnchor = nodeTo as ARFNodeWorldAnchor;
+            if (nodeToTrackable != null)
+            {
+                Trackable trackTo = nodeToTrackable.trackable;
+                winSingleton.toName = trackTo.Name;
+                winSingleton.toUUID = trackTo.UUID.ToString();
+                winSingleton.toType = ObjectType.Trackable;
+            } 
+            else if (nodeToWorldAnchor != null)
+            {
+                WorldAnchor worldAnchorTo = nodeToWorldAnchor.worldAnchor;
+                winSingleton.toName = worldAnchorTo.Name;
+                winSingleton.toUUID = worldAnchorTo.UUID.ToString();
+                winSingleton.toType = ObjectType.WorldAnchor;
+            }
+            winSingleton.Repaint();
+        }
+    }
 }
\ No newline at end of file
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldStorageWindow.cs.meta b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldStorageWindow.cs.meta
index c8d7fb07f3381194035bfdd86bde1d0ea9b49ac6..ec99c51dab094a4ad96d5a8815ad02617d7c3307 100644
--- a/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldStorageWindow.cs.meta	
+++ b/Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldStorageWindow.cs.meta	
@@ -3,7 +3,10 @@ guid: a1647df9b48bf4f49a664a929fff57ff
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
-  defaultReferences: []
+  defaultReferences:
+  - m_ViewDataDictionary: {instanceID: 0}
+  - worldStorageServer: {fileID: 11400000, guid: 4f997253243de534dad12937f1284975, type: 2}
+  - worldStorageUser: {fileID: 11400000, guid: c0696089e4a855b46ad490437919b1e8, type: 2}
   executionOrder: 0
   icon: {instanceID: 0}
   userData: 
diff --git a/Assets/ETSI.ARF/ARF World Storage API/Materials.meta b/Assets/ETSI.ARF/ARF World Storage API/Materials.meta
new file mode 100644
index 0000000000000000000000000000000000000000..3f1c3d96d5cbfcab3996a3e6a46aba00213712c0
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/Materials.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: b5cde36cc09a55741b364219c48efe3e
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
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new file mode 100644
index 0000000000000000000000000000000000000000..d00574d15efa157ab1299a9cf17b9e26af1de824
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/World Storage/LocalHost8080.asset	
@@ -0,0 +1,19 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
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+  m_Script: {fileID: 11500000, guid: e4b7be4c33f68d0418c3b4e1a7053d91, type: 3}
+  m_Name: LocalHost8080
+  m_EditorClassIdentifier: 
+  serverName: Local hosted World Storage
+  company: b<>com
+  basePath: http://10.55.11.9
+  port: 8080
+  currentUser: {fileID: 11400000, guid: c0696089e4a855b46ad490437919b1e8, type: 2}
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new file mode 100644
index 0000000000000000000000000000000000000000..d979dc502f9499f33ff9b43ccc4bef65948c8d65
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+++ b/Assets/ETSI.ARF/ARF World Storage API/World Storage/LocalHost8080.asset.meta	
@@ -0,0 +1,8 @@
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diff --git a/Assets/ETSI.ARF/ARF World Storage API/World Storage/LocalHost8081.asset b/Assets/ETSI.ARF/ARF World Storage API/World Storage/LocalHost8081.asset
new file mode 100644
index 0000000000000000000000000000000000000000..66e0b5042d3c94a77c747a6b66c6404462478bf0
--- /dev/null
+++ b/Assets/ETSI.ARF/ARF World Storage API/World Storage/LocalHost8081.asset	
@@ -0,0 +1,19 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
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+  m_Script: {fileID: 11500000, guid: e4b7be4c33f68d0418c3b4e1a7053d91, type: 3}
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+  basePath: http://10.55.11.9
+  port: 8081
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new file mode 100644
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index de5d0b2dff999c2fb46455e5a995c4dbebc8c727..621c5458599cc89fedd54048a072cc35b8fb6171 100644
--- a/ProjectSettings/EditorSettings.asset
+++ b/ProjectSettings/EditorSettings.asset
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-  m_ExternalVersionControlSupport: Visible Meta Files
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@@ -12,19 +11,32 @@ EditorSettings:
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+  m_Bc7TextureCompressor: 0
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   m_ProjectGenerationIncludedExtensions: txt;xml;fnt;cd;asmdef;rsp;asmref
   m_ProjectGenerationRootNamespace: 
-  m_CollabEditorSettings:
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   m_EnableTextureStreamingInEditMode: 1
   m_EnableTextureStreamingInPlayMode: 1
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+  m_CachingShaderPreprocessor: 1
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+  m_GameObjectNamingDigits: 1
+  m_GameObjectNamingScheme: 0
+  m_AssetNamingUsesSpace: 1
   m_UseLegacyProbeSampleCount: 0
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\ No newline at end of file
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+  m_DisableCookiesInLightmapper: 0
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index e29f9aa0df1eaf8d6145d251ec40fad2ccab8568..cb14926b1ea41efba0e033bbc94eb0386827302e 100644
--- a/ProjectSettings/ProjectSettings.asset
+++ b/ProjectSettings/ProjectSettings.asset
@@ -152,7 +152,8 @@ PlayerSettings:
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   androidSupportedAspectRatio: 1
   androidMaxAspectRatio: 2.1
-  applicationIdentifier: {}
+  applicationIdentifier:
+    Standalone: com.DefaultCompany.My-project
   buildNumber:
     Standalone: 0
     iPhone: 0
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-  m_Title: Console
-  m_RootView: {fileID: 11}
+  m_Title: Graph Editor
+  m_RootView: {fileID: 6}
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   m_MaxSize: {x: 10000, y: 10000}
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-  m_Script: {fileID: 12010, guid: 0000000000000000e000000000000000, type: 0}
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-  m_EditorClassIdentifier: 
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@@ -162,19 +37,19 @@ MonoBehaviour:
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   m_EditorClassIdentifier: 
   m_Children:
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-  - {fileID: 8}
+  - {fileID: 9}
+  - {fileID: 3}
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     x: 0
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-    width: 1365.3334
-    height: 885.11115
+    width: 1600
+    height: 768
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---- !u!114 &8
+--- !u!114 &3
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@@ -184,23 +59,24 @@ MonoBehaviour:
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   m_EditorHideFlags: 1
   m_Script: {fileID: 12006, guid: 0000000000000000e000000000000000, type: 0}
-  m_Name: 
+  m_Name: NodeEditorWindow
   m_EditorClassIdentifier: 
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-    x: 1003.55554
+    x: 1186
     y: 0
-    width: 361.77783
-    height: 885.11115
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+    width: 414
+    height: 768
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+  m_ActualView: {fileID: 12}
   m_Panes:
-  - {fileID: 20}
-  m_Selected: 0
-  m_LastSelected: 0
---- !u!114 &9
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+  - {fileID: 12}
+  m_Selected: 1
+  m_LastSelected: 1
+--- !u!114 &4
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@@ -217,16 +93,16 @@ MonoBehaviour:
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-    height: 535.1111
+    width: 314
+    height: 455
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   m_MaxSize: {x: 4001, y: 4021}
-  m_ActualView: {fileID: 21}
+  m_ActualView: {fileID: 16}
   m_Panes:
-  - {fileID: 21}
+  - {fileID: 16}
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   m_LastSelected: 0
---- !u!114 &10
+--- !u!114 &5
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@@ -236,23 +112,24 @@ MonoBehaviour:
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   m_EditorHideFlags: 1
   m_Script: {fileID: 12006, guid: 0000000000000000e000000000000000, type: 0}
-  m_Name: ProjectBrowser
+  m_Name: ConsoleWindow
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-    width: 469.33334
-    height: 350.00006
-  m_MinSize: {x: 231, y: 271}
-  m_MaxSize: {x: 10001, y: 10021}
+    y: 455
+    width: 1186
+    height: 313
+  m_MinSize: {x: 101, y: 121}
+  m_MaxSize: {x: 4001, y: 4021}
   m_ActualView: {fileID: 19}
   m_Panes:
+  - {fileID: 14}
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-  m_Selected: 0
+  m_Selected: 1
   m_LastSelected: 0
---- !u!114 &11
+--- !u!114 &6
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@@ -265,22 +142,22 @@ MonoBehaviour:
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   m_EditorClassIdentifier: 
   m_Children:
-  - {fileID: 12}
   - {fileID: 7}
-  - {fileID: 13}
+  - {fileID: 2}
+  - {fileID: 8}
   m_Position:
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     x: 0
     y: 0
-    width: 1365.3334
-    height: 935.11115
+    width: 1600
+    height: 818
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   m_UseTopView: 1
   m_TopViewHeight: 30
   m_UseBottomView: 1
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---- !u!114 &12
+--- !u!114 &7
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   m_LastLoadedLayoutName: 
---- !u!114 &13
+--- !u!114 &8
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     x: 0
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+    y: 798
+    width: 1600
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   m_MaxSize: {x: 0, y: 0}
---- !u!114 &14
+--- !u!114 &9
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   m_CorrespondingSourceObject: {fileID: 0}
@@ -336,19 +213,19 @@ MonoBehaviour:
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   m_EditorClassIdentifier: 
   m_Children:
-  - {fileID: 15}
-  - {fileID: 6}
+  - {fileID: 10}
+  - {fileID: 5}
   m_Position:
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     x: 0
     y: 0
-    width: 1003.55554
-    height: 885.11115
+    width: 1186
+    height: 768
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   m_MaxSize: {x: 16192, y: 16192}
   vertical: 1
-  controlID: 16
---- !u!114 &15
+  controlID: 83
+--- !u!114 &10
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   m_CorrespondingSourceObject: {fileID: 0}
@@ -361,19 +238,19 @@ MonoBehaviour:
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   m_EditorClassIdentifier: 
   m_Children:
-  - {fileID: 9}
-  - {fileID: 16}
+  - {fileID: 4}
+  - {fileID: 11}
   m_Position:
     serializedVersion: 2
     x: 0
     y: 0
-    width: 1003.55554
-    height: 535.1111
+    width: 1186
+    height: 455
   m_MinSize: {x: 200, y: 100}
   m_MaxSize: {x: 16192, y: 8096}
   vertical: 0
-  controlID: 102
---- !u!114 &16
+  controlID: 84
+--- !u!114 &11
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   m_CorrespondingSourceObject: {fileID: 0}
@@ -383,25 +260,25 @@ MonoBehaviour:
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   m_EditorHideFlags: 1
   m_Script: {fileID: 12006, guid: 0000000000000000e000000000000000, type: 0}
-  m_Name: 
+  m_Name: WorldGraphWindow
   m_EditorClassIdentifier: 
   m_Children: []
   m_Position:
     serializedVersion: 2
-    x: 239.55556
+    x: 314
     y: 0
-    width: 764
-    height: 535.1111
-  m_MinSize: {x: 202, y: 221}
+    width: 872
+    height: 455
+  m_MinSize: {x: 102, y: 121}
   m_MaxSize: {x: 4002, y: 4021}
-  m_ActualView: {fileID: 22}
+  m_ActualView: {fileID: 13}
   m_Panes:
-  - {fileID: 22}
-  - {fileID: 23}
+  - {fileID: 17}
   - {fileID: 18}
-  m_Selected: 0
-  m_LastSelected: 1
---- !u!114 &17
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+  m_Selected: 2
+  m_LastSelected: 2
+--- !u!114 &12
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@@ -410,33 +287,27 @@ MonoBehaviour:
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   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: a1647df9b48bf4f49a664a929fff57ff, type: 3}
+  m_Script: {fileID: 11500000, guid: e219817d65c8b1f40ad85e6185e89e92, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
   m_MinSize: {x: 100, y: 100}
   m_MaxSize: {x: 4000, y: 4000}
   m_TitleContent:
-    m_Text: ETSI ARF - Authoring Editor
+    m_Text: Trackable Editor
     m_Image: {fileID: 0}
     m_Tooltip: 
   m_Pos:
     serializedVersion: 2
-    x: 464
-    y: 157.33333
-    width: 696.44446
-    height: 855.8889
+    x: 1186
+    y: 72
+    width: 413
+    height: 747
   m_ViewDataDictionary: {fileID: 0}
   m_OverlayCanvas:
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     m_SaveData: []
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-  worldStorageUser: {fileID: 11400000, guid: ce0f40be06008b14283766424922b729, type: 2}
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-  trackables: []
-  anchors: []
-  links:
-  - c6998f4f-1b8d-460b-9de8-4793b92fae2a
---- !u!114 &18
+  type: 2
+--- !u!114 &13
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@@ -444,27 +315,29 @@ MonoBehaviour:
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   m_GameObject: {fileID: 0}
   m_Enabled: 1
-  m_EditorHideFlags: 1
-  m_Script: {fileID: 12111, guid: 0000000000000000e000000000000000, type: 0}
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 2c1a0c92306453d46897c1af6cb5c2f9, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_MinSize: {x: 400, y: 100}
-  m_MaxSize: {x: 2048, y: 2048}
+  m_MinSize: {x: 100, y: 100}
+  m_MaxSize: {x: 4000, y: 4000}
   m_TitleContent:
-    m_Text: Asset Store
-    m_Image: {fileID: -7444545952099596278, guid: 0000000000000000d000000000000000, type: 0}
+    m_Text: Graph Editor
+    m_Image: {fileID: 0}
     m_Tooltip: 
   m_Pos:
     serializedVersion: 2
-    x: 468
-    y: 181
-    width: 973
-    height: 501
+    x: 314
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+    height: 434
   m_ViewDataDictionary: {fileID: 0}
   m_OverlayCanvas:
     m_LastAppliedPresetName: Default
     m_SaveData: []
---- !u!114 &19
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+  worldStorageUser: {fileID: 11400000, guid: c0696089e4a855b46ad490437919b1e8, type: 2}
+--- !u!114 &14
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-    y: 637.3333
-    width: 468.33334
-    height: 329.00006
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@@ -505,22 +378,22 @@ MonoBehaviour:
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     m_SearchArea: 1
     m_Folders:
-    - Assets/ETSI.ARF/ARF World Storage API/World Storage
+    - Assets/ETSI.ARF/ARF World Storage API/Editor/Windows
     m_Globs: []
     m_OriginalText: 
   m_ViewMode: 1
-  m_StartGridSize: 16
+  m_StartGridSize: 64
   m_LastFolders:
-  - Assets/ETSI.ARF/ARF World Storage API/World Storage
-  m_LastFoldersGridSize: 16
-  m_LastProjectPath: D:\Fraunhofer\Projects\ETSI\GitLab (STF)\unity-world-storage-editor
+  - Assets/ETSI.ARF/ARF World Storage API/Editor/Windows
+  m_LastFoldersGridSize: -1
+  m_LastProjectPath: C:\Dev\unity-world-storage-editor
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-    m_LastClickedID: 19294
-    m_ExpandedIDs: 00000000424b0000444b0000464b0000484b00004a4b00004c4b00004e4b000000ca9a3bffffff7f
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+    m_LastClickedID: 19300
+    m_ExpandedIDs: 00000000504b0000524b0000544b0000564b000000ca9a3bffffff7f
     m_RenameOverlay:
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@@ -536,7 +409,7 @@ MonoBehaviour:
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       m_OriginalEventType: 11
       m_IsRenamingFilename: 1
-      m_ClientGUIView: {fileID: 10}
+      m_ClientGUIView: {fileID: 0}
     m_SearchString: 
     m_CreateAssetUtility:
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@@ -548,7 +421,7 @@ MonoBehaviour:
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     m_SelectedIDs: 
     m_LastClickedID: 0
-    m_ExpandedIDs: 00000000424b0000444b0000464b0000484b00004a4b00004c4b00004e4b0000
+    m_ExpandedIDs: 00000000504b0000524b0000544b0000564b0000
     m_RenameOverlay:
       m_UserAcceptedRename: 0
       m_Name: 
@@ -573,10 +446,10 @@ MonoBehaviour:
       m_Icon: {fileID: 0}
       m_ResourceFile: 
   m_ListAreaState:
-    m_SelectedInstanceIDs: 
-    m_LastClickedInstanceID: 0
+    m_SelectedInstanceIDs: d80c0000
+    m_LastClickedInstanceID: 3288
     m_HadKeyboardFocusLastEvent: 1
-    m_ExpandedInstanceIDs: c6230000de4b0000
+    m_ExpandedInstanceIDs: c6230000
     m_RenameOverlay:
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       m_Name: 
@@ -592,7 +465,7 @@ MonoBehaviour:
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       m_OriginalEventType: 11
       m_IsRenamingFilename: 1
-      m_ClientGUIView: {fileID: 10}
+      m_ClientGUIView: {fileID: 5}
     m_CreateAssetUtility:
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       m_InstanceID: 0
@@ -601,10 +474,10 @@ MonoBehaviour:
       m_ResourceFile: 
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     m_ScrollPosition: {x: 0, y: 0}
-    m_GridSize: 16
+    m_GridSize: 64
   m_SkipHiddenPackages: 0
-  m_DirectoriesAreaWidth: 248.11111
---- !u!114 &20
+  m_DirectoriesAreaWidth: 207
+--- !u!114 &15
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@@ -624,10 +497,10 @@ MonoBehaviour:
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     serializedVersion: 2
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-    y: 102.22222
-    width: 360.77783
-    height: 864.11115
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+    height: 747
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   m_OverlayCanvas:
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@@ -638,14 +511,14 @@ MonoBehaviour:
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     m_ControlHash: -371814159
     m_PrefName: Preview_InspectorPreview
-  m_LastInspectedObjectInstanceID: -1
+  m_LastInspectedObjectInstanceID: 3288
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   m_GlobalObjectId: 
   m_InspectorMode: 0
   m_LockTracker:
     m_IsLocked: 0
   m_PreviewWindow: {fileID: 0}
---- !u!114 &21
+--- !u!114 &16
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@@ -665,10 +538,10 @@ MonoBehaviour:
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     serializedVersion: 2
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-    y: 102.22222
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-    height: 514.1111
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+    width: 313
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@@ -676,9 +549,9 @@ MonoBehaviour:
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-      m_SelectedIDs: 844b0000
+      m_SelectedIDs: d80c0000
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-      m_ExpandedIDs: 34fbffff
+      m_ExpandedIDs: 38fbffff
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@@ -701,8 +574,8 @@ MonoBehaviour:
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     m_CurrentSortingName: TransformSorting
-  m_WindowGUID: 26d3cc4a749ad3148bdaac8cbfc0727d
---- !u!114 &22
+  m_WindowGUID: 4c969a2b90040154d917609493e03593
+--- !u!114 &17
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@@ -722,10 +595,10 @@ MonoBehaviour:
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-    y: 102.22222
-    width: 762
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@@ -940,9 +813,9 @@ MonoBehaviour:
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   m_SceneViewState:
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-    showFog: 1
-    showSkybox: 1
-    showFlares: 1
+    showFog: 0
+    showSkybox: 0
+    showFlares: 0
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@@ -990,7 +863,7 @@ MonoBehaviour:
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@@ -1007,7 +880,7 @@ MonoBehaviour:
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   m_ViewIsLockedToObject: 0
---- !u!114 &23
+--- !u!114 &18
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@@ -1041,7 +914,7 @@ MonoBehaviour:
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-  m_TargetSize: {x: 3447, y: 1730.25}
+  m_TargetSize: {x: 1532, y: 769}
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@@ -1056,10 +929,10 @@ MonoBehaviour:
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-    m_HBaseRangeMin: -766
-    m_HBaseRangeMax: 766
-    m_VBaseRangeMin: -384.5
-    m_VBaseRangeMax: 384.5
+    m_HBaseRangeMin: -383
+    m_HBaseRangeMax: 383
+    m_VBaseRangeMin: -192.25
+    m_VBaseRangeMax: 192.25
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@@ -1079,7 +952,7 @@ MonoBehaviour:
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+    m_Scale: {x: 2, y: 2}
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@@ -1087,19 +960,19 @@ MonoBehaviour:
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     m_LastShownAreaInsideMargins:
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-      x: -766
-      y: -384.5
-      width: 1532
-      height: 769
+      x: -383
+      y: -192.25
+      width: 766
+      height: 384.5
     m_MinimalGUI: 1
-  m_defaultScale: 1
-  m_LastWindowPixelSize: {x: 3447, y: 1777.5}
+  m_defaultScale: 2
+  m_LastWindowPixelSize: {x: 3064, y: 1580}
   m_ClearInEditMode: 1
   m_NoCameraWarning: 1
-  m_LowResolutionForAspectRatios: 00000000000000000000
+  m_LowResolutionForAspectRatios: 01000000000000000000
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---- !u!114 &24
+--- !u!114 &19
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@@ -1119,10 +992,10 @@ MonoBehaviour:
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diff --git a/UserSettings/Search.index b/UserSettings/Search.index
new file mode 100644
index 0000000000000000000000000000000000000000..299c246c3aa0b3b91210b18535c74eb7d9d9df82
--- /dev/null
+++ b/UserSettings/Search.index
@@ -0,0 +1,13 @@
+{
+    "name": "Assets",
+    "roots": ["Assets"],
+    "includes": [],
+    "excludes": ["Temp/", "External/"],
+    "options": {
+        "types": true,
+        "properties": false,
+        "extended": false,
+        "dependencies": false
+    },
+    "baseScore": 999
+}
\ No newline at end of file
diff --git a/UserSettings/Search.settings b/UserSettings/Search.settings
new file mode 100644
index 0000000000000000000000000000000000000000..93e90a3b24b0f7ba9e9b407a99a4b242e5bb535e
--- /dev/null
+++ b/UserSettings/Search.settings
@@ -0,0 +1,67 @@
+trackSelection = true
+fetchPreview = true
+wantsMore = false
+keepOpen = false
+queryFolder = "Assets"
+onBoardingDoNotAskAgain = true
+showPackageIndexes = false
+showStatusBar = false
+scopes = {
+	"last_search.8040E7BB" = "fast"
+	"OpenInspectorPreview.8040E7BB" = "0"
+	"currentGroup.8040E7BB" = "all"
+}
+providers = {
+	adb = {
+		active = false
+		priority = 2500
+		defaultAction = null
+	}
+	asset = {
+		active = true
+		priority = 25
+		defaultAction = null
+	}
+	store = {
+		active = true
+		priority = 100
+		defaultAction = null
+	}
+	find = {
+		active = true
+		priority = 25
+		defaultAction = null
+	}
+	log = {
+		active = false
+		priority = 210
+		defaultAction = null
+	}
+	packages = {
+		active = true
+		priority = 90
+		defaultAction = null
+	}
+	performance = {
+		active = false
+		priority = 100
+		defaultAction = null
+	}
+	scene = {
+		active = true
+		priority = 50
+		defaultAction = null
+	}
+}
+recentSearches = [
+]
+searchItemFavorites = [
+]
+savedSearchesSortOrder = 0
+showSavedSearchPanel = false
+expandedQueries = [
+]
+queryBuilder = false
+ignoredProperties = "id;name;classname;imagecontentshash"
+helperWidgetCurrentArea = "all"
+disabledIndexers = ""
\ No newline at end of file