def Execute(self):

        if self.Surface == None:
            self.PrintError('Error: No input surface.')

        curvatureFilter = vtk.vtkCurvatures()
        curvatureFilter.SetInput(self.Surface)
        if self.CurvatureType == 'mean':
            curvatureFilter.SetCurvatureTypeToMean()
        elif self.CurvatureType == 'gaussian':
            curvatureFilter.SetCurvatureTypeToGaussian()
        elif self.CurvatureType == 'maximum':
            curvatureFilter.SetCurvatureTypeToMaximum()
        elif self.CurvatureType == 'minimum':
            curvatureFilter.SetCurvatureTypeToMinimum()
        curvatureFilter.Update()

        activeScalars = curvatureFilter.GetOutput().GetPointData().GetScalars()
        activeScalars.SetName('Curvature')

        if self.AbsoluteCurvature:
            for i in range(activeScalars.GetNumberOfTuples()):
                value = activeScalars.GetTuple1(i)
                activeScalars.SetTuple1(i, abs(value))

        neighborhoods = None
        if not self.CurvatureOnBoundaries or self.MedianFiltering:
            neighborhoods = vtkvmtk.vtkvmtkNeighborhoods()
            neighborhoods.SetNeighborhoodTypeToPolyDataManifoldNeighborhood()
            neighborhoods.SetDataSet(self.Surface)
            neighborhoods.Build()

        if not self.CurvatureOnBoundaries:
            boundaryExtractor = vtkvmtk.vtkvmtkPolyDataBoundaryExtractor()
            boundaryExtractor.SetInput(self.Surface)
            boundaryExtractor.Update()
            boundaryIdsArray = vtk.vtkIdTypeArray.SafeDownCast(
                boundaryExtractor.GetOutput().GetPointData().GetScalars())
            boundaryIds = vtk.vtkIdList()
            boundaryIds.SetNumberOfIds(boundaryIdsArray.GetNumberOfTuples())
            for i in range(boundaryIdsArray.GetNumberOfTuples()):
                boundaryIds.SetId(i, boundaryIdsArray.GetValue(i))
            self.Surface.BuildLinks()
            for i in range(boundaryIds.GetNumberOfIds()):
                pointId = boundaryIds.GetId(i)
                neighborhood = neighborhoods.GetNeighborhood(pointId)
                values = []
                for j in range(neighborhood.GetNumberOfPoints()):
                    neighborId = neighborhood.GetPointId(j)
                    if boundaryIds.IsId(neighborId) != -1:
                        continue
                    value = activeScalars.GetTuple1(neighborId)
                    values.append(value)
                values.sort()
                if not values:
                    continue
                medianValue = values[(len(values) - 1) / 2]
                activeScalars.SetTuple1(pointId, medianValue)

        if self.MedianFiltering:
            for i in range(neighborhoods.GetNumberOfNeighborhoods()):
                neighborhood = neighborhoods.GetNeighborhood(i)
                values = []
                for j in range(neighborhood.GetNumberOfPoints()):
                    neighborId = neighborhood.GetPointId(j)
                    value = activeScalars.GetTuple1(neighborId)
                    values.append(value)
                values.sort()
                if not values:
                    continue
                medianValue = values[(len(values) - 1) / 2]
                activeScalars.SetTuple1(i, medianValue)

        if self.BoundedReciprocal:
            for i in range(activeScalars.GetNumberOfTuples()):
                value = activeScalars.GetTuple1(i)
                reciprocalValue = 1.0 / (self.Epsilon + value)
                activeScalars.SetTuple1(i, reciprocalValue)

        if self.Offset:
            for i in range(activeScalars.GetNumberOfTuples()):
                value = activeScalars.GetTuple1(i)
                activeScalars.SetTuple1(i, value + self.Offset)

        if self.ReferenceSurface == None:
            self.Surface.GetPointData().AddArray(activeScalars)
        else:
            self.ReferenceSurface.GetPointData().AddArray(activeScalars)
            self.Surface = self.ReferenceSurface
示例#2
0
    def Execute(self):

        if self.Surface == None:
            self.PrintError('Error: No input surface.')

#        cleaner = vtk.vtkCleanPolyData()
#        cleaner.SetInput(self.Surface)
#        cleaner.Update()
#
#        triangleFilter = vtk.vtkTriangleFilter()
#        triangleFilter.SetInput(cleaner.GetOutput())
#        triangleFilter.Update()
#
#        self.Surface = triangleFilter.GetOutput()

        boundaryIds = vtk.vtkIdList()

        if self.Interactive:
            if not self.vmtkRenderer:
                import vmtkrenderer
                self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
                self.vmtkRenderer.Initialize()
                self.OwnRenderer = 1

            self.vmtkRenderer.RegisterScript(self)

            boundaryExtractor = vtkvmtk.vtkvmtkPolyDataBoundaryExtractor()
            boundaryExtractor.SetInputData(self.Surface)
            boundaryExtractor.Update()

            boundaries = boundaryExtractor.GetOutput()
            numberOfBoundaries = boundaries.GetNumberOfCells()
            seedPoints = vtk.vtkPoints()
            for i in range(numberOfBoundaries):
                barycenter = [0.0, 0.0, 0.0]
                vtkvmtk.vtkvmtkBoundaryReferenceSystems.ComputeBoundaryBarycenter(boundaries.GetCell(i).GetPoints(),barycenter)
                seedPoints.InsertNextPoint(barycenter)
            seedPolyData = vtk.vtkPolyData()
            seedPolyData.SetPoints(seedPoints)
            labelsMapper = vtk.vtkLabeledDataMapper();
            labelsMapper.SetInputData(seedPolyData)
            labelsMapper.SetLabelModeToLabelIds()
            labelsActor = vtk.vtkActor2D()
            labelsActor.SetMapper(labelsMapper)

            self.vmtkRenderer.Renderer.AddActor(labelsActor)

            surfaceMapper = vtk.vtkPolyDataMapper()
            surfaceMapper.SetInputData(self.Surface)
            surfaceMapper.ScalarVisibilityOff()
            surfaceActor = vtk.vtkActor()
            surfaceActor.SetMapper(surfaceMapper)
            surfaceActor.GetProperty().SetOpacity(0.25)

            self.vmtkRenderer.Renderer.AddActor(surfaceActor)

            #self.vmtkRenderer.Render()
            #self.vmtkRenderer.Renderer.RemoveActor(labelsActor)
            #self.vmtkRenderer.Renderer.RemoveActor(surfaceActor)

            ok = False
            while not ok:
                labelString = self.InputText("Please input boundary ids: ",self.LabelValidator)
                labels = [int(label) for label in labelString.split()]
                ok = True
                for label in labels:
                    if label not in range(numberOfBoundaries):
                        ok = False

            for label in labels:
                boundaryIds.InsertNextId(label)

        if self.Method == 'simple':
            capper = vtkvmtk.vtkvmtkSimpleCapPolyData()
            capper.SetInputData(self.Surface)

        elif self.Method == 'centerpoint':
            capper = vtkvmtk.vtkvmtkCapPolyData()
            capper.SetInputData(self.Surface)
            capper.SetDisplacement(0.0)
            capper.SetInPlaneDisplacement(0.0)

        elif self.Method == 'smooth':
            triangle = vtk.vtkTriangleFilter()
            triangle.SetInputData(self.Surface)
            triangle.PassLinesOff()
            triangle.PassVertsOff()
            triangle.Update()
            capper = vtkvmtk.vtkvmtkSmoothCapPolyData()
            capper.SetInputConnection(triangle.GetOutputPort())
            capper.SetConstraintFactor(self.ConstraintFactor)
            capper.SetNumberOfRings(self.NumberOfRings)

        elif self.Method == 'annular':
            capper = vtkvmtk.vtkvmtkAnnularCapPolyData()
            capper.SetInputData(self.Surface)

        elif self.Method == 'concaveannular':
            import vtkvmtkcontrib
            capper = vtkvmtkcontrib.vtkvmtkConcaveAnnularCapPolyData()
            capper.SetInputData(self.Surface)

        if self.Interactive:
            capper.SetBoundaryIds(boundaryIds)
        capper.SetCellEntityIdsArrayName(self.CellEntityIdsArrayName)
        capper.SetCellEntityIdOffset(self.CellEntityIdOffset)
        capper.Update()
        self.Surface = capper.GetOutput()

        if self.TriangleOutput == 1:
            triangle = vtk.vtkTriangleFilter()
            triangle.SetInputData(self.Surface)
            triangle.PassLinesOff()
            triangle.PassVertsOff()
            triangle.Update()
            self.Surface = triangle.GetOutput()

        normals = vtk.vtkPolyDataNormals()
        normals.SetInputData(self.Surface)
        normals.AutoOrientNormalsOn()
        normals.SplittingOff()
        normals.ConsistencyOn()
        normals.Update()
        self.Surface = normals.GetOutput()
示例#3
0
    def Execute(self):

        if self.Surface == None:
            self.PrintError('Error: No input surface.')

        if self.ExtensionMode == "centerlinedirection" and self.Centerlines == None:
            self.PrintError('Error: No input centerlines.')

        boundaryIds = vtk.vtkIdList()

        if self.Interactive:
            if not self.vmtkRenderer:
                import vmtkrenderer
                self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
                self.vmtkRenderer.Initialize()
                self.OwnRenderer = 1
 
            boundaryExtractor = vtkvmtk.vtkvmtkPolyDataBoundaryExtractor()
            boundaryExtractor.SetInput(self.Surface)
            boundaryExtractor.Update()
            boundaries = boundaryExtractor.GetOutput()
            numberOfBoundaries = boundaries.GetNumberOfCells()
            seedPoints = vtk.vtkPoints()
            for i in range(numberOfBoundaries):
                barycenter = [0.0, 0.0, 0.0]
                vtkvmtk.vtkvmtkBoundaryReferenceSystems.ComputeBoundaryBarycenter(boundaries.GetCell(i).GetPoints(),barycenter)
                seedPoints.InsertNextPoint(barycenter)
            seedPolyData = vtk.vtkPolyData()
            seedPolyData.SetPoints(seedPoints)
            seedPolyData.Update()
            labelsMapper = vtk.vtkLabeledDataMapper();
            labelsMapper.SetInput(seedPolyData)
            labelsMapper.SetLabelModeToLabelIds()
            labelsActor = vtk.vtkActor2D()
            labelsActor.SetMapper(labelsMapper)
    
            self.vmtkRenderer.Renderer.AddActor(labelsActor)
    
            surfaceMapper = vtk.vtkPolyDataMapper()
            surfaceMapper.SetInput(self.Surface)
            surfaceMapper.ScalarVisibilityOff()
            surfaceActor = vtk.vtkActor()
            surfaceActor.SetMapper(surfaceMapper)
            surfaceActor.GetProperty().SetOpacity(0.25)
    
            self.vmtkRenderer.Renderer.AddActor(surfaceActor)
    
            self.vmtkRenderer.Render()
    
            self.vmtkRenderer.Renderer.RemoveActor(labelsActor)
            self.vmtkRenderer.Renderer.RemoveActor(surfaceActor)
            
            ok = False
            while not ok:
                labelString = self.InputText("Please input boundary ids: ",self.LabelValidator)
                labels = [int(label) for label in labelString.split()]
                ok = True
                for label in labels:
                    if label not in range(numberOfBoundaries):
                        ok = False

            for label in labels:
                boundaryIds.InsertNextId(label)

        flowExtensionsFilter = vtkvmtk.vtkvmtkPolyDataFlowExtensionsFilter()
        flowExtensionsFilter.SetInput(self.Surface)
        flowExtensionsFilter.SetCenterlines(self.Centerlines)
        flowExtensionsFilter.SetSigma(self.Sigma)
        flowExtensionsFilter.SetAdaptiveExtensionLength(self.AdaptiveExtensionLength)
        flowExtensionsFilter.SetAdaptiveExtensionRadius(self.AdaptiveExtensionRadius)
        flowExtensionsFilter.SetAdaptiveNumberOfBoundaryPoints(self.AdaptiveNumberOfBoundaryPoints)
        flowExtensionsFilter.SetExtensionLength(self.ExtensionLength)
        flowExtensionsFilter.SetExtensionRatio(self.ExtensionRatio)
        flowExtensionsFilter.SetExtensionRadius(self.ExtensionRadius)
        flowExtensionsFilter.SetTransitionRatio(self.TransitionRatio)
        flowExtensionsFilter.SetCenterlineNormalEstimationDistanceRatio(self.CenterlineNormalEstimationDistanceRatio)
        flowExtensionsFilter.SetNumberOfBoundaryPoints(self.TargetNumberOfBoundaryPoints)
        if self.ExtensionMode == "centerlinedirection":
            flowExtensionsFilter.SetExtensionModeToUseCenterlineDirection()
        elif self.ExtensionMode == "boundarynormal":
            flowExtensionsFilter.SetExtensionModeToUseNormalToBoundary()
        if self.InterpolationMode == "linear":
            flowExtensionsFilter.SetInterpolationModeToLinear()
        elif self.InterpolationMode == "thinplatespline":
            flowExtensionsFilter.SetInterpolationModeToThinPlateSpline()
        if self.Interactive:
            flowExtensionsFilter.SetBoundaryIds(boundaryIds)
        flowExtensionsFilter.Update()

        self.Surface = flowExtensionsFilter.GetOutput()

        if self.Surface.GetSource():
            self.Surface.GetSource().UnRegisterAllOutputs()
示例#4
0
    def Execute(self):

        if self.Surface == None:
            self.PrintError('Error: No input surface.')

        curvatureFilter = vtk.vtkCurvatures()
        curvatureFilter.SetInput(self.Surface)
        if self.CurvatureType == 'mean':
            curvatureFilter.SetCurvatureTypeToMean()
        elif self.CurvatureType == 'gaussian':
            curvatureFilter.SetCurvatureTypeToGaussian()
        elif self.CurvatureType == 'maximum':
            curvatureFilter.SetCurvatureTypeToMaximum()
        elif self.CurvatureType == 'minimum':
            curvatureFilter.SetCurvatureTypeToMinimum()
        curvatureFilter.Update()

        activeScalars = curvatureFilter.GetOutput().GetPointData().GetScalars()
        activeScalars.SetName('Curvature')

        if self.AbsoluteCurvature:
            for i in range(activeScalars.GetNumberOfTuples()):
                value = activeScalars.GetTuple1(i)
                activeScalars.SetTuple1(i,abs(value))

        neighborhoods = None
        if not self.CurvatureOnBoundaries or self.MedianFiltering:
            neighborhoods = vtkvmtk.vtkvmtkNeighborhoods()
            neighborhoods.SetNeighborhoodTypeToPolyDataManifoldNeighborhood()
            neighborhoods.SetDataSet(self.Surface)
            neighborhoods.Build()

        if not self.CurvatureOnBoundaries:
            boundaryExtractor = vtkvmtk.vtkvmtkPolyDataBoundaryExtractor()
            boundaryExtractor.SetInput(self.Surface)
            boundaryExtractor.Update()
            boundaryIdsArray = vtk.vtkIdTypeArray.SafeDownCast(boundaryExtractor.GetOutput().GetPointData().GetScalars())
            boundaryIds = vtk.vtkIdList()
            boundaryIds.SetNumberOfIds(boundaryIdsArray.GetNumberOfTuples())
            for i in range(boundaryIdsArray.GetNumberOfTuples()):
                boundaryIds.SetId(i,boundaryIdsArray.GetValue(i))
            self.Surface.BuildLinks()
            for i in range(boundaryIds.GetNumberOfIds()):
                pointId = boundaryIds.GetId(i)
                neighborhood = neighborhoods.GetNeighborhood(pointId)
                values = []
                for j in range(neighborhood.GetNumberOfPoints()):
                    neighborId = neighborhood.GetPointId(j)
                    if boundaryIds.IsId(neighborId) != -1:
                        continue
                    value = activeScalars.GetTuple1(neighborId)
                    values.append(value)
                values.sort()
                if not values:
                    continue
                medianValue = values[(len(values) - 1)/2]
                activeScalars.SetTuple1(pointId,medianValue)

        if self.MedianFiltering:
            for i in range(neighborhoods.GetNumberOfNeighborhoods()):
                neighborhood = neighborhoods.GetNeighborhood(i)
                values = []
                for j in range(neighborhood.GetNumberOfPoints()):
                    neighborId = neighborhood.GetPointId(j)
                    value = activeScalars.GetTuple1(neighborId)
                    values.append(value)
                values.sort()
                if not values:
                    continue
                medianValue = values[(len(values) - 1)/2]
                activeScalars.SetTuple1(i,medianValue)

        if self.BoundedReciprocal:
            for i in range(activeScalars.GetNumberOfTuples()):
                value = activeScalars.GetTuple1(i)
                reciprocalValue = 1.0 / (self.Epsilon + value)
                activeScalars.SetTuple1(i,reciprocalValue)

        if self.Offset:
            for i in range(activeScalars.GetNumberOfTuples()):
                value = activeScalars.GetTuple1(i)
                activeScalars.SetTuple1(i,value + self.Offset)

        if self.ReferenceSurface == None:
            self.Surface.GetPointData().AddArray(activeScalars)
        else:
            self.ReferenceSurface.GetPointData().AddArray(activeScalars)
            self.Surface = self.ReferenceSurface