Merge pull request #2443 from alicevision/dev/accessCurrentFrame

Provide access to the current frame from the graph

meshroom/core/graph.py

@@ -226,6 +226,8 @@ class Graph(BaseObject):
         self._fileDateVersion = 0
         self.header = {}
 
+        self._selectedViewpoint = None
+
     def clear(self):
         self.header.clear()
         self._compatibilityNodes.clear()
@@ -1564,6 +1566,12 @@ class Graph(BaseObject):
         self.updateStatusFromCache(force=True)
         self.cacheDirChanged.emit()
 
+    @property
+    def selectedViewpoint(self):
+        """ Return the attribute describing the viewpoint that is
+        currently set as the 'selected viewpoint'. """
+        return self._selectedViewpoint
+
     @property
     def fileDateVersion(self):
         return self._fileDateVersion

meshroom/ui/reconstruction.py

@@ -1158,6 +1158,7 @@ class Reconstruction(UIGraph):
             # Reconstruction has ownership of Viewpoint object - destroy it when not needed anymore
             self._selectedViewpoint.deleteLater()
         self._selectedViewpoint = ViewpointWrapper(viewpointAttribute, self) if viewpointAttribute else None
+        self._graph._selectedViewpoint = self._selectedViewpoint.attribute if viewpointAttribute else None
         self.selectedViewpointChanged.emit()
 
     def setPickedViewId(self, viewId):