Python vtkExtractUnstructuredGridPiece示例

示例#1

文件： TestUnstructuredPieces.py 项目： 0004c/VTK

math = vtk.vtkMath()
math.RandomSeed(22)

pl3d = vtk.vtkMultiBlockPLOT3DReader()
pl3d.SetXYZFileName(VTK_DATA_ROOT + "/Data/combxyz.bin")
pl3d.SetQFileName(VTK_DATA_ROOT + "/Data/combq.bin")
pl3d.SetScalarFunctionNumber(100)
pl3d.Update()

output = pl3d.GetOutput().GetBlock(0)

dst = vtk.vtkDataSetTriangleFilter()
dst.SetInputData(output)

extract = vtk.vtkExtractUnstructuredGridPiece()
extract.SetInputConnection(dst.GetOutputPort())

cf = vtk.vtkContourFilter()
cf.SetInputConnection(extract.GetOutputPort())
cf.SetValue(0, 0.24)

pdn = vtk.vtkPolyDataNormals()
pdn.SetInputConnection(cf.GetOutputPort())

ps = vtk.vtkPieceScalars()
ps.SetInputConnection(pdn.GetOutputPort())

mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(ps.GetOutputPort())
mapper.SetNumberOfPieces(3)

示例#2

math = vtk.vtkMath()
math.RandomSeed(22)

pl3d = vtk.vtkMultiBlockPLOT3DReader()
pl3d.SetXYZFileName(VTK_DATA_ROOT + "/Data/combxyz.bin")
pl3d.SetQFileName(VTK_DATA_ROOT + "/Data/combq.bin")
pl3d.SetScalarFunctionNumber(100)
pl3d.Update()

output = pl3d.GetOutput().GetBlock(0)

dst = vtk.vtkDataSetTriangleFilter()
dst.SetInputData(output)

extract = vtk.vtkExtractUnstructuredGridPiece()
extract.SetInputConnection(dst.GetOutputPort())

cf = vtk.vtkContourFilter()
cf.SetInputConnection(extract.GetOutputPort())
cf.SetValue(0, 0.24)

pdn = vtk.vtkPolyDataNormals()
pdn.SetInputConnection(cf.GetOutputPort())

ps = vtk.vtkPieceScalars()
ps.SetInputConnection(pdn.GetOutputPort())

mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(ps.GetOutputPort())
mapper.SetNumberOfPieces(3)