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[ui] better handling of Reconstruction's current sfm node

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* reset sfm node on graph change by using 'sfm' property (ensure previous sfm node is correctly disconnected)
* ui: clear viewers when graph changes
This commit is contained in:
Yann Lanthony 2018-04-06 14:24:45 +02:00
parent 11121039dc
commit 472b860131
3 changed files with 38 additions and 23 deletions
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33
meshroom/ui/reconstruction.py
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@ -175,7 +175,7 @@ class Reconstruction(UIGraph):
def onGraphChanged(self):
""" React to the change of the internal graph. """
self._liveSfmManager.reset()
self._sfm = None
self.sfm = None
self._endChunk = None
self.setMeshFile('')
self.updateCameraInits()
@ -404,32 +404,37 @@ class Reconstruction(UIGraph):
self._views, self._poses = self._sfm.nodeDesc.getViewsAndPoses(self._sfm)
self.sfmReportChanged.emit()
def _resetSfm(self):
""" Reset sfm-related members. """
self._sfm = None
self.updateViewsAndPoses()
def getSfm(self):
""" Returns the current SfM node. """
return self._sfm
def setSfm(self, node):
""" Set the current SfM node.
This node will be used to retrieve sparse reconstruction result like camera poses.
def _setSfm(self, node=None):
""" Set current SfM node to 'node' and update views and poses.
Notes: this should not be called directly, use setSfm instead.
See Also: setSfm
"""
if self._sfm:
self._sfm.chunks[0].statusChanged.disconnect(self.updateViewsAndPoses)
self._sfm.destroyed.disconnect(self._resetSfm)
self._sfm = node
# Update views and poses and do so each time
# the status of the SfM node's only chunk changes
self.updateViewsAndPoses()
if self._sfm:
self._sfm.destroyed.connect(self._resetSfm)
# when destroyed, directly use '_setSfm' to bypass
# disconnection step in 'setSfm' (at this point, 'self._sfm' underlying object
# has been destroyed and can't be evaluated anymore)
self._sfm.destroyed.connect(self._setSfm)
self._sfm.chunks[0].statusChanged.connect(self.updateViewsAndPoses)
self.sfmChanged.emit()
def setSfm(self, node):
""" Set the current SfM node.
This node will be used to retrieve sparse reconstruction result like camera poses.
"""
# disconnect from previous SfM node if any
if self._sfm:
self._sfm.chunks[0].statusChanged.disconnect(self.updateViewsAndPoses)
self._sfm.destroyed.disconnect(self._setSfm)
self._setSfm(node)
@Slot(QObject, result=bool)
def isInViews(self, viewpoint):
# keys are strings (faster lookup)