some changes from firesieht

index.js

@@ -4,12 +4,13 @@ var app = new dwv.App();
 
 var circleFactory = new dwv.tool.draw.CircleFactory();
 var roiFactory = new dwv.tool.draw.RoiFactory();
+schema = []
 
 
 var tools = {
   Scroll: {},
   Draw: {
-    options: ['Circle', 'Roi'],
+    options: ['Circle', 'Roi', 'Ruler', 'FreeHand'],
     type: 'factory'
   },
   ZoomAndPan: {},
@@ -29,6 +30,18 @@ app.addEventListener('load', function () {
   app.setDrawShape('Circle')
 });
 
+function loadSchema(schema) {
+    console.log(schema, schema.length)
+    urls = []
+    picSchema = new Map()
+    for (var i = 0; i < schema.length; ++i) {
+        console.log(i)
+        picSchema.set(schema[i].url, schema[i].figures)
+        urls.push(schema[i].url)
+    }
+    return [urls, picSchema]
+}
+
 
 function createCircle(circleData) {
     var point1 = new dwv.math.Point2D(circleData.center.x, circleData.center.y)
@@ -53,6 +66,7 @@ function createCircle(circleData) {
     })
     //drawCommand = new dwv.tool.DrawGroupCommand(draw, 'circle-group', app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer()['.position-group'][0], false)
     posGroup = app.getActiveLayerGroup().getActiveDrawLayer().getDrawController().getCurrentPosGroup()
+    console.log(app.getActiveLayerGroup().getActiveDrawLayer().getDrawController())
     posGroup.add(draw)
     app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().listening(true)
     //drawCommand.execute()
@@ -100,61 +114,60 @@ function createDraws(drawsData) {
 
 
 function postCircles() {
-    circlesAttrs = app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().getChildren().filter(e => e.attrs.name == 'circle-group').map(
+
-        (e) => {
+    setTimeout(() => {
-            return e.children.filter(
+        console.log(app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().children[0].children)
-                (ee) => {
+    }, 100)
-                    return ee.attrs.name == 'shape'
+    // circlesAttrs = app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().getChildren().filter(e => e.attrs.name == 'circle-group').map(
-                }
+    //     (e) => {
-            ).map(e => e.attrs)
+    //         //console.log(e)
-        }
+    //         return e.children.filter(
-    )
+    //             (ee) => {
+    //                 return ee.attrs.name == 'shape'
+    //             }
+    //         ).map(eee => {return {attrs: eee.attrs, parent: e.attrs}})
+    //     }
+    // )
+    circlesAttrs = []
     circlesAttrs = circlesAttrs.concat(app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().children[0].children.filter(e => e.attrs.name == 'circle-group').map((e) => {
-        return e.children.filter((e) => e.attrs.name == 'shape').map(e => e.attrs)
+        return e.children.filter((eee) => eee.attrs.name == 'shape').map(ee => {return {attrs: ee.attrs, parent: e.attrs}})
     }))
     //circleAttrs.concat(app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().children[0])
     return circlesAttrs.flat().map((e) => {
         return {
             type: 'Circle',
             center: {
-                x: e.x,
+                x: e.attrs.x,
-                y: e.y
+                y: e.attrs.y
             },
-            radius: e.radius,
+            radius: e.attrs.radius,
-            id: e.id
+            id: e.parent.id
         }
     })
 }
 
 function postRois() {
-    roisAttrs = app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().getChildren().filter(e => e.attrs.name == 'roi-group').map(
+    roisAttrs = []
-        (e) => {
-            return e.children.filter(
-                (ee) => {
-                    return ee.attrs.name == 'shape'
-                }
-            ).map(e => e.attrs)
-        }
-    )
     roisAttrs = roisAttrs.concat(app.getActiveLayerGroup().getActiveDrawLayer().getKonvaLayer().children[0].children.filter(e => e.attrs.name == 'roi-group').map((e) => {
-        return e.children.filter((e) => e.attrs.name == 'shape').map(e => e.attrs)
+        return e.children.filter((e) => e.attrs.name == 'shape').map(e => {return {attrs: e.attrs, parent: e.parent.attrs}})
     }))
     return roisAttrs.flat().map((e) => {
+        console.log(e)
         var points = [];
-        for (var i = 0; i < e.points.length; i+=2) {
+        for (var i = 0; i < e.attrs.points.length; i+=2) {
-            points.push({x: e.points[i], y: e.points[i+1]})
+            points.push({x: e.attrs.points[i], y: e.attrs.points[i+1]})
         }
         return {
             type: 'Roi',
             points: points,
-            id: e.id
+            id: e.parent.id
         }
     })
 }
 
-
 function postDraws() {
-    return postCircles().concat(postRois())
+    console.log(postRois())
+    return JSON.parse(JSON.stringify(postCircles().concat(postRois())))
 }
 
 
@@ -172,15 +185,15 @@ function receiveMessage(event)
       } else if(data.type == "setTool"){
         if (data.data == "null"){
           app.setTool('Scroll');
-        } else if (data.data == 'Roi' || data.data == 'Circle'){
-          app.setTool('Draw');
-          app.setDrawShape(data.data);
         } 
         else if (data.data == 'ZoomAndPan') {
             app.setTool('ZoomAndPan');
         }
         else if (data.data == 'WindowLevel') {
             app.setTool('WindowLevel')
+        }else {
+            app.setTool('Draw');
+            app.setDrawShape(data.data);
         }
       }
       else if (data.type == 'setDraws') {
@@ -200,6 +213,9 @@ function receiveMessage(event)
       else if (data.type == 'deleteById') {
         app.getActiveLayerGroup().getActiveDrawLayer().getKonvaStage().find("#"+data.data)[0].destroy()
       }
+      else if (data.type == 'loadSchema') {
+        schema = loadSchema(data.data)
+      }
 }
 window.addEventListener("message", receiveMessage, false);
 
@@ -209,7 +225,6 @@ function findActive() {
         (e) => {
             return e.children.filter(
                 (ee) => {
-                    console.log(e)
                     return ee.attrs.name == 'anchor'
                 }
             )
@@ -227,12 +242,91 @@ app.addEventListener('loadend', function () {
   //range.max = app.getImage(0).getGeometry().getSize().get(2) - 1;
 });
 
-//app.loadURLs(['https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323851.dcm'])
+
+// schema = [
+//     {
+//         'url': 'https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323851.dcm',
+//         'figures': [
+//             {type: 'Circle', center: {x: 10, y: 100}, radius: 10},
+//             {type: 'Roi', points: [{x: 10, y: 20}, {x: 100, y: 50}]}
+//         ]
+//     },
+//     {
+//         'url': 'https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323707.dcm',
+//         'figures': [
+//             {type: 'Circle', center: {x: 10, y: 200}, radius: 10},
+//             {type: 'Roi', points: [{x: 10, y: 30}, {x: 100, y: 50}]}
+//         ]
+//     }
+// ]
+
+// schema = loadSchema(schema)
+
+// console.log(schema[0], "0")
+
+
+// app.loadURLs(schema[0])
+
+
+// app.loadURLs([
+//     'https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323851.dcm',
+//     'https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323707.dcm',
+//     'https://raw.githubusercontent.com/ivmartel/dwv/master/tests/data/bbmri-53323563.dcm'
+// ])
+
+function setFrame(frameNumber) {
+    var lg = app.getLayerGroupById(0);
+    var vc = lg.getActiveViewLayer().getViewController();
+    var index = vc.getCurrentIndex();
+    var values = index.getValues();
+    values[2] = frameNumber;
+    vc.setCurrentIndex(new dwv.math.Index(values));
+    loadPictures(
+        schema[1].get(schema[0][frameNumber])
+    )
+}
+
+function loadPictures(pictures) {
+    // app.deleteDraws()
+    deleteDraws()
+    app.setTool('Draw')
+    pictures.map((e) => {
+        if (e.type == 'Circle') {
+            createCircle(e)
+        }
+        else if (e.type == 'Roi') {
+            createRoi(e)
+        }
+    })
+}
+
+function deleteDraws() {
+    app.getActiveLayerGroup().getActiveDrawLayer().getKonvaStage().find('.circle-group').map((e) => e.destroy())
+    app.getActiveLayerGroup().getActiveDrawLayer().getKonvaStage().find('.roi-group').map((e) => e.destroy())
+}
 
 app.addEventListener('load', () => {
-    // app.getActiveLayerGroup().getActiveDrawLayer().getKonvaStage().addEventListener('mouseup', () => {
+
-    //     parent.postMessage({'type': 'returnDraws', data: postDraws()}, "*")
+    // app.setDrawShape('Roi')
-    // })
+    app.setTool("Scroll")
+    setFrame(0)
+    // loadPictures([
+    //     {type: 'Circle', center: {x: 10, y: 100}, radius: 10},
+    //     {type: 'Roi', points: [{x: 10, y: 20}, {x: 100, y: 50}]}
+    // ])
+    setTimeout(() => {
+        setFrame(1)
+    }, 1000)
+    var lg = app.getLayerGroupById(0);
+    var vc = lg.getActiveViewLayer().getViewController();
+    console.log(vc.getCurrentScrollIndexValue())
+    //app.getActiveLayerGroup().getActiveViewLayer().getViewController().setCurrentIndex(new dwv.math.Index(1))
+    app.getActiveLayerGroup().getActiveDrawLayer().getKonvaStage().addEventListener('mouseup', () => {
+        setTimeout(() => {
+            parent.postMessage({'type': 'returnDraws', data: postDraws()}, "*")
+            //console.log({'type': 'returnDraws', data: postDraws()})
+        }, 100)
+    })
     // createCircle({
     //     type: 'Circle',
     //     center: {