def promotePolyDataItem(cls, obj): parent = obj.parent() view = obj.views[0] name = obj.getProperty('Name') polyData = obj.polyData props = obj.properties._properties childFrame = obj.getChildFrame() if childFrame: t = transformUtils.copyFrame(childFrame.transform) else: t = vtk.vtkTransform() t.PostMultiply() t.Translate(filterUtils.computeCentroid(polyData)) polyData = filterUtils.transformPolyData(polyData, t.GetLinearInverse()) children = [c for c in obj.children() if c is not childFrame] meshId = cls.getMeshManager().add(polyData) om.removeFromObjectModel(obj) obj = MeshAffordanceItem(name, view) obj.setProperty('Filename', meshId) om.addToObjectModel(obj, parentObj=parent) frame = vis.addChildFrame(obj) frame.copyFrame(t) for child in children: om.addToObjectModel(child, parentObj=obj) obj.syncProperties(props) return obj
def onMergeIntoPointCloud(): allPointClouds = om.findObjectByName('point clouds') if allPointClouds: allPointClouds = [ i.getProperty('Name') for i in allPointClouds.children() ] sel = QtGui.QInputDialog.getItem(None, "Point Cloud Merging", "Pick point cloud to merge into:", allPointClouds, current=0, editable=False) sel = om.findObjectByName(sel) # Make a copy of each in same frame polyDataInto = vtk.vtkPolyData() polyDataInto.ShallowCopy(sel.polyData) if sel.getChildFrame(): polyDataInto = segmentation.transformPolyData( polyDataInto, sel.getChildFrame().transform) polyDataFrom = vtk.vtkPolyData() polyDataFrom.DeepCopy(pointCloudObj.polyData) if pointCloudObj.getChildFrame(): polyDataFrom = segmentation.transformPolyData( polyDataFrom, pointCloudObj.getChildFrame().transform) # Actual merge append = filterUtils.appendPolyData([polyDataFrom, polyDataInto]) if sel.getChildFrame(): polyDataInto = segmentation.transformPolyData( polyDataInto, sel.getChildFrame().transform.GetInverse()) # resample append = segmentationroutines.applyVoxelGrid(append, 0.01) append = segmentation.addCoordArraysToPolyData(append) # Recenter the frame sel.setPolyData(append) t = vtk.vtkTransform() t.PostMultiply() t.Translate(filterUtils.computeCentroid(append)) segmentation.makeMovable(sel, t) # Hide the old one if pointCloudObj.getProperty('Name') in allPointClouds: pointCloudObj.setProperty('Visible', False)
def onCopyPointCloud(): global lastRandomColor polyData = vtk.vtkPolyData() polyData.DeepCopy(pointCloudObj.polyData) if pointCloudObj.getChildFrame(): polyData = segmentation.transformPolyData(polyData, pointCloudObj.getChildFrame().transform) polyData = segmentation.addCoordArraysToPolyData(polyData) # generate random color, and average with a common color to make them generally similar lastRandomColor = lastRandomColor + 0.1 + 0.1*random.random() rgb = colorsys.hls_to_rgb(lastRandomColor, 0.7, 1.0) obj = vis.showPolyData(polyData, pointCloudObj.getProperty('Name') + ' copy', color=rgb, parent='point clouds') t = vtk.vtkTransform() t.PostMultiply() t.Translate(filterUtils.computeCentroid(polyData)) segmentation.makeMovable(obj, t) om.setActiveObject(obj) pickedObj.setProperty('Visible', False)
def onMergeIntoPointCloud(): allPointClouds = om.findObjectByName('point clouds') if allPointClouds: allPointClouds = [i.getProperty('Name') for i in allPointClouds.children()] sel = QtGui.QInputDialog.getItem(None, "Point Cloud Merging", "Pick point cloud to merge into:", allPointClouds, current=0, editable=False) sel = om.findObjectByName(sel) # Make a copy of each in same frame polyDataInto = vtk.vtkPolyData() polyDataInto.ShallowCopy(sel.polyData) if sel.getChildFrame(): polyDataInto = segmentation.transformPolyData(polyDataInto, sel.getChildFrame().transform) polyDataFrom = vtk.vtkPolyData() polyDataFrom.DeepCopy(pointCloudObj.polyData) if pointCloudObj.getChildFrame(): polyDataFrom = segmentation.transformPolyData(polyDataFrom, pointCloudObj.getChildFrame().transform) # Actual merge append = filterUtils.appendPolyData([polyDataFrom, polyDataInto]) if sel.getChildFrame(): polyDataInto = segmentation.transformPolyData(polyDataInto, sel.getChildFrame().transform.GetInverse()) # resample append = segmentationroutines.applyVoxelGrid(append, 0.01) append = segmentation.addCoordArraysToPolyData(append) # Recenter the frame sel.setPolyData(append) t = vtk.vtkTransform() t.PostMultiply() t.Translate(filterUtils.computeCentroid(append)) segmentation.makeMovable(sel, t) # Hide the old one if pointCloudObj.getProperty('Name') in allPointClouds: pointCloudObj.setProperty('Visible', False)