[QtAV][Observations] add option to activate or deactivate observations visualisation

Author: almarouk

meshroom/ui/qml/Viewer3D/Inspector3D.qml

@@ -339,6 +339,22 @@ FloatingPane {
                                     }
                                 }
 
+                                // Observations visibility (if Sfm node)
+                                MaterialToolButton {
+                                    visible: model.hasObservations
+                                    enabled: model.visible
+                                    Layout.alignment: Qt.AlignTop
+                                    Layout.fillHeight: true
+                                    text: MaterialIcons.compare_arrows
+                                    font.pointSize: 10
+                                    ToolTip.text: model.displayObservations ? "Hide observations" : "Show observations"
+                                    flat: true
+                                    opacity: model.visible ? (model.displayObservations ? 1.0 : 0.6) : 0.6
+                                    onClicked: {
+                                        model.displayObservations = !model.displayObservations
+                                    }
+                                }
+
                                 // Media label and info
                                 Item {
                                     implicitHeight: childrenRect.height

meshroom/ui/qml/Viewer3D/MediaLibrary.qml

@@ -52,6 +52,8 @@ Entity {
             "displayBoundingBox": true, // for Meshing node only
             "hasTransform": false, // for SfMTransform node only
             "displayTransform": true, // for SfMTransform node only
+            "hasObservations": false, // for nodes with Sfm data only
+            "displayObservations": false, // for nodes with Sfm data only
             "section": "",
             "attribute": null,
             "entity": null,
@@ -183,6 +185,9 @@ Entity {
             onHasTransformChanged: model.hasTransform = hasTransform
             property bool displayTransform: model.displayTransform
 
+            // Specific properties to nodes with Sfm data (declared and initialized for every Entity anyway)
+            property bool hasObservations: nodeType === "SfMFilter" || nodeType === "StructureFromMotion"
+            onHasObservationsChanged: model.hasObservations = hasObservations
 
             // Create the media
             MediaLoader {
@@ -228,6 +233,7 @@ Entity {
                 renderMode: root.renderMode
                 enabled: visible
                 viewer2DInfo: root.viewer2DInfo
+                displayObservations: model.displayObservations
 
                 // QObject.destroyed signal is not accessible
                 // Use the object as NodeInstantiator model to be notified of its deletion

meshroom/ui/qml/Viewer3D/MediaLoader.qml

@@ -21,6 +21,7 @@ import Utils 1.0
     property int renderMode
 
     property var viewer2DInfo: null
+    property bool displayObservations: false
 
     /// Scene's current camera
     property Camera camera: null
@@ -94,6 +95,7 @@ import Utils 1.0
                                                'locatorScale': Qt.binding(function() { return Viewer3DSettings.cameraScale }),
                                                'viewId': Qt.binding(function() { return _reconstruction.selectedViewId }),
                                                'viewer2DInfo': Qt.binding(function() {return root.viewer2DInfo}),
+                                               'displayObservations': Qt.binding(function() {return root.displayObservations}),
                                                'cameraPickingEnabled': Qt.binding(function() { return root.enabled })
                                            });