[ui] Viewer: new option to display tracks

meshroom/ui/qml/Viewer/FeaturesInfoOverlay.qml

@@ -18,7 +18,6 @@ FloatingPane {
     property var featureExtractionNode: null
 
     ColumnLayout {
-
         // Header
         RowLayout {
             // FeatureExtraction node name
@@ -77,12 +76,12 @@ FloatingPane {
 
                 spacing: 4
 
-                // Features visibility toogle (features)
+                // Features visibility toogle
                 MaterialToolButton {
                     id: featuresVisibilityButton
                     checkable: true
                     checked: true
-                    text: featuresVisibilityButton.checked ? MaterialIcons.visibility : MaterialIcons.visibility_off
+                    text: MaterialIcons.center_focus_strong
                     onClicked: {
                         console.warn("featuresVisibilityButton.checked: " + featuresVisibilityButton.checked)
                         featureType.viewer.displayfeatures = featuresVisibilityButton.checked;
@@ -91,20 +90,30 @@ FloatingPane {
                     opacity: featureType.viewer.visible ? 1.0 : 0.6
                 }
 
-                // Landmarks visibility toogle (sfmData)
+                // Tracks visibility toogle
+                MaterialToolButton {
+                    id: tracksVisibilityButton
+                    checkable: true
+                    checked: true
+                    text: MaterialIcons.timeline
+                    onClicked: {
+                        console.warn("tracksVisibilityButton.checked: " + tracksVisibilityButton.checked)
+                        featureType.viewer.displayTracks = tracksVisibilityButton.checked;
+                    }
+                    font.pointSize: 10
+                }
+
+                // Landmarks visibility toogle
                 MaterialToolButton {
                     id: landmarksVisibilityButton
                     checkable: true
                     checked: true
-                    text: checked ? MaterialIcons.location_on : MaterialIcons.location_off
+                    text: MaterialIcons.fiber_manual_record
                     onClicked: {
                         console.warn("landmarksVisibilityButton.checked: " + landmarksVisibilityButton.checked)
                         featureType.viewer.displayLandmarks = landmarksVisibilityButton.checked;
                     }
                     font.pointSize: 10
-                    // checkable: enabled
-                    // enabled: landmarks !== false
-                    // opacity: featureType.viewer.visible ? 1.0 : 0.6
                 }
 
                 // ColorChart picker
@@ -118,7 +127,7 @@ FloatingPane {
                 }
                 // Feature type name
                 Label {
-                    text: featureType.viewer.describerType + (featureType.viewer.loadingFeatures ? "" : ": " + featureType.viewer.features.length)
+                    text: featureType.viewer.describerType + (featureType.viewer.loadingFeatures ? "" : ": " + featureType.viewer.features.length + " / " + featureType.viewer.nbTracks + " / " + featureType.viewer.nbLandmarks )
                 }
                 // Feature loading status
                 Loader {

meshroom/ui/qml/Viewer/FeaturesViewer.qml

@@ -15,7 +15,9 @@ Repeater {
     /// SfMData to display the data of SfM
     property var sfmData
     /// Folder containing the features files
-    property string folder
+    property string featureFolder
+    /// Folder containing the matches files
+    property var tracks
     /// The list of describer types to load
     property alias describerTypes: root.model
     /// List of available display modes
@@ -32,7 +34,8 @@ Repeater {
         readonly property int colorIndex: (index + colorOffset) % root.colors.length
         property int colorOffset: 0
         describerType: modelData
-        folder: root.folder
+        featureFolder: root.featureFolder
+        mtracks: root.tracks
         viewId: root.viewId
         color: root.colors[colorIndex]
         landmarkColor: Colors.red

meshroom/ui/qml/Viewer/MTracks.qml

@@ -0,0 +1,6 @@
+import QtQuick 2.11
+import AliceVision 1.0 as AliceVision
+
+AliceVision.MTracks {
+    id: root
+}

meshroom/ui/qml/Viewer/Viewer2D.qml

@@ -231,7 +231,8 @@ FocusScope {
                             setSource("FeaturesViewer.qml", {
                                 'viewId': Qt.binding(function() { return _reconstruction.selectedViewId; }),
                                 'model': Qt.binding(function() { return _reconstruction.featureExtraction.attribute("describerTypes").value; }),
-                                'folder': Qt.binding(function() { return Filepath.stringToUrl(_reconstruction.featureExtraction.attribute("output").value); }),
+                                'featureFolder': Qt.binding(function() { return Filepath.stringToUrl(_reconstruction.featureExtraction.attribute("output").value); }),
+                                'tracks': Qt.binding(function() { return mtracksLoader.status === Loader.Ready ? mtracksLoader.item : null; }),
                                 'sfmData': Qt.binding(function() { return msfmDataLoader.status === Loader.Ready ? msfmDataLoader.item : null; }),
                             })
                         } else {
@@ -314,6 +315,18 @@ FocusScope {
                             })
                         }
                     }
+                    Loader {
+                        id: mtracksLoader
+                        active: displayFeatures.checked // || displaySfmStatsView.checked || displaySfmDataGlobalStats.checked
+
+                        Component.onCompleted: {
+                            // instantiate and initialize a SfmStatsView component dynamically using Loader.setSource
+                            // so it can fail safely if the c++ plugin is not available
+                            setSource("MTracks.qml", {
+                                'matchingFolder': Qt.binding(function() { return Filepath.stringToUrl(_reconstruction.featureMatching.attribute("output").value); }),
+                            })
+                        }
+                    }
                     Loader {
                         id: sfmStatsView
                         anchors.fill: parent