def MakeHexagonalPrism():
hexagonalPrism = vtk.vtkHexagonalPrism()
hexagonalPrism.GetPointIds().SetId(0, 0)
hexagonalPrism.GetPointIds().SetId(1, 1)
hexagonalPrism.GetPointIds().SetId(2, 2)
hexagonalPrism.GetPointIds().SetId(3, 3)
hexagonalPrism.GetPointIds().SetId(4, 4)
hexagonalPrism.GetPointIds().SetId(5, 5)
hexagonalPrism.GetPointIds().SetId(6, 6)
hexagonalPrism.GetPointIds().SetId(7, 7)
hexagonalPrism.GetPointIds().SetId(8, 8)
hexagonalPrism.GetPointIds().SetId(9, 9)
hexagonalPrism.GetPointIds().SetId(10, 10)
hexagonalPrism.GetPointIds().SetId(11, 11)
scale = 2.0
hexagonalPrism.GetPoints().SetPoint(0, 11 / scale, 10 / scale, 10 / scale)
hexagonalPrism.GetPoints().SetPoint(1, 13 / scale, 10 / scale, 10 / scale)
hexagonalPrism.GetPoints().SetPoint(2, 14 / scale, 12 / scale, 10 / scale)
hexagonalPrism.GetPoints().SetPoint(3, 13 / scale, 14 / scale, 10 / scale)
hexagonalPrism.GetPoints().SetPoint(4, 11 / scale, 14 / scale, 10 / scale)
hexagonalPrism.GetPoints().SetPoint(5, 10 / scale, 12 / scale, 10 / scale)
hexagonalPrism.GetPoints().SetPoint(6, 11 / scale, 10 / scale, 14 / scale)
hexagonalPrism.GetPoints().SetPoint(7, 13 / scale, 10 / scale, 14 / scale)
hexagonalPrism.GetPoints().SetPoint(8, 14 / scale, 12 / scale, 14 / scale)
hexagonalPrism.GetPoints().SetPoint(9, 13 / scale, 14 / scale, 14 / scale)
hexagonalPrism.GetPoints().SetPoint(10, 11 / scale, 14 / scale, 14 / scale)
hexagonalPrism.GetPoints().SetPoint(11, 10 / scale, 12 / scale, 14 / scale)
ug = vtk.vtkUnstructuredGrid()
ug.SetPoints(hexagonalPrism.GetPoints())
ug.InsertNextCell(hexagonalPrism.GetCellType(), hexagonalPrism.GetPointIds())
return ug
def MakeHexagonalPrism():
'''
3D: hexagonal prism: a wedge with an hexagonal base.
Be careful, the base face ordering is different from wedge.
'''
numberOfVertices = 12
points = vtk.vtkPoints()
points.InsertNextPoint(0.0, 0.0, 1.0)
points.InsertNextPoint(1.0, 0.0, 1.0)
points.InsertNextPoint(1.5, 0.5, 1.0)
points.InsertNextPoint(1.0, 1.0, 1.0)
points.InsertNextPoint(0.0, 1.0, 1.0)
points.InsertNextPoint(-0.5, 0.5, 1.0)
points.InsertNextPoint(0.0, 0.0, 0.0)
points.InsertNextPoint(1.0, 0.0, 0.0)
points.InsertNextPoint(1.5, 0.5, 0.0)
points.InsertNextPoint(1.0, 1.0, 0.0)
points.InsertNextPoint(0.0, 1.0, 0.0)
points.InsertNextPoint(-0.5, 0.5, 0.0)
hexagonalPrism = vtk.vtkHexagonalPrism()
for i in range(0, numberOfVertices):
hexagonalPrism.GetPointIds().SetId(i, i)
ug = vtk.vtkUnstructuredGrid()
ug.InsertNextCell(hexagonalPrism.GetCellType(),
hexagonalPrism.GetPointIds())
ug.SetPoints(points)
return ug
def MakeHexagonalPrism():
'''
3D: hexagonal prism: a wedge with an hexagonal base.
Be careful, the base face ordering is different from wedge.
'''
numberOfVertices = 12
points = vtk.vtkPoints()
points.InsertNextPoint(0.0, 0.0, 1.0)
points.InsertNextPoint(1.0, 0.0, 1.0)
points.InsertNextPoint(1.5, 0.5, 1.0)
points.InsertNextPoint(1.0, 1.0, 1.0)
points.InsertNextPoint(0.0, 1.0, 1.0)
points.InsertNextPoint(-0.5, 0.5, 1.0)
points.InsertNextPoint(0.0, 0.0, 0.0)
points.InsertNextPoint(1.0, 0.0, 0.0)
points.InsertNextPoint(1.5, 0.5, 0.0)
points.InsertNextPoint(1.0, 1.0, 0.0)
points.InsertNextPoint(0.0, 1.0, 0.0)
points.InsertNextPoint(-0.5, 0.5, 0.0)
hexagonalPrism = vtk.vtkHexagonalPrism()
for i in range(0, numberOfVertices):
hexagonalPrism.GetPointIds().SetId(i, i)
ug = vtk.vtkUnstructuredGrid()
ug.InsertNextCell(hexagonalPrism.GetCellType(),
hexagonalPrism.GetPointIds())
ug.SetPoints(points)
return ug
def main():
filenames = list()
uGrids = list()
uGrids.append(MakeUnstructuredGrid(vtk.vtkVertex()))
filenames.append("Vertex.vtk")
uGrids.append(MakePolyVertex())
filenames.append("PolyVertex.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkLine()))
filenames.append("Line.vtk")
uGrids.append(MakePolyLine())
filenames.append("PolyLine.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkTriangle()))
filenames.append("Triangle.vtk")
uGrids.append(MakeTriangleStrip())
filenames.append("TriangleStrip.vtk")
uGrids.append(MakePolygon())
filenames.append("Polygon.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkPixel()))
filenames.append("Pixel.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkQuad()))
filenames.append("Quad.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkTetra()))
filenames.append("Tetra.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkVoxel()))
filenames.append("Voxel.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexahedron()))
filenames.append("Hexahedron.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkWedge()))
filenames.append("Wedge.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkPyramid()))
filenames.append("Pyramid.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkPentagonalPrism()))
filenames.append("PentagonalPrism.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexagonalPrism()))
filenames.append("HexagonalPrism.vtk")
# Write each grid into a file
for i in range(0, len(uGrids)):
print("Writing: ", filenames[i])
writer = vtk.vtkUnstructuredGridWriter()
writer.SetFileName(filenames[i])
writer.SetInputData(uGrids[i])
writer.Write()
def main():
filenames = list()
uGrids = list()
uGrids.append(MakeUnstructuredGrid(vtk.vtkVertex()))
filenames.append('Vertex.vtu')
uGrids.append(MakePolyVertex())
filenames.append('PolyVertex.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkLine()))
filenames.append('Line.vtu')
uGrids.append(MakePolyLine())
filenames.append('PolyLine.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkTriangle()))
filenames.append('Triangle.vtu')
uGrids.append(MakeTriangleStrip())
filenames.append('TriangleStrip.vtu')
uGrids.append(MakePolygon())
filenames.append('Polygon.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkPixel()))
filenames.append('Pixel.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkQuad()))
filenames.append('Quad.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkTetra()))
filenames.append('Tetra.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkVoxel()))
filenames.append('Voxel.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexahedron()))
filenames.append('Hexahedron.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkWedge()))
filenames.append('Wedge.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkPyramid()))
filenames.append('Pyramid.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkPentagonalPrism()))
filenames.append('PentagonalPrism.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexagonalPrism()))
filenames.append('HexagonalPrism.vtu')
# Write each grid into a file
for i in range(0, len(uGrids)):
print('Writing: ', filenames[i])
writer = vtk.vtkXMLDataSetWriter()
writer.SetFileName(filenames[i])
writer.SetInputData(uGrids[i])
writer.Write()
hexaScalars = vtk.vtkFloatArray() hexaScalars.SetNumberOfTuples(12) hexaScalars.InsertValue(0, 1) hexaScalars.InsertValue(1, 1) hexaScalars.InsertValue(2, 1) hexaScalars.InsertValue(3, 1) hexaScalars.InsertValue(4, 1) hexaScalars.InsertValue(5, 1) hexaScalars.InsertValue(6, 0) hexaScalars.InsertValue(7, 0) hexaScalars.InsertValue(8, 0) hexaScalars.InsertValue(9, 0) hexaScalars.InsertValue(10, 0) hexaScalars.InsertValue(11, 0) aHexa = vtk.vtkHexagonalPrism() aHexa.GetPointIds().SetId(0, 0) aHexa.GetPointIds().SetId(1, 1) aHexa.GetPointIds().SetId(2, 2) aHexa.GetPointIds().SetId(3, 3) aHexa.GetPointIds().SetId(4, 4) aHexa.GetPointIds().SetId(5, 5) aHexa.GetPointIds().SetId(6, 6) aHexa.GetPointIds().SetId(7, 7) aHexa.GetPointIds().SetId(8, 8) aHexa.GetPointIds().SetId(9, 9) aHexa.GetPointIds().SetId(10, 10) aHexa.GetPointIds().SetId(11, 11) aHexaGrid = vtk.vtkUnstructuredGrid() aHexaGrid.Allocate(1, 1)
def testCells(self):
# Demonstrates all cell types
#
# NOTE: the use of NewInstance/DeepCopy is included to increase
# regression coverage. It is not required in most applications.
ren = vtk.vtkRenderer()
# turn off all cullers
ren.GetCullers().RemoveAllItems()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(300, 150)
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
# create a scene with one of each cell type
# Voxel
voxelPoints = vtk.vtkPoints()
voxelPoints.SetNumberOfPoints(8)
voxelPoints.InsertPoint(0, 0, 0, 0)
voxelPoints.InsertPoint(1, 1, 0, 0)
voxelPoints.InsertPoint(2, 0, 1, 0)
voxelPoints.InsertPoint(3, 1, 1, 0)
voxelPoints.InsertPoint(4, 0, 0, 1)
voxelPoints.InsertPoint(5, 1, 0, 1)
voxelPoints.InsertPoint(6, 0, 1, 1)
voxelPoints.InsertPoint(7, 1, 1, 1)
aVoxel = vtk.vtkVoxel()
aVoxel.GetPointIds().SetId(0, 0)
aVoxel.GetPointIds().SetId(1, 1)
aVoxel.GetPointIds().SetId(2, 2)
aVoxel.GetPointIds().SetId(3, 3)
aVoxel.GetPointIds().SetId(4, 4)
aVoxel.GetPointIds().SetId(5, 5)
aVoxel.GetPointIds().SetId(6, 6)
aVoxel.GetPointIds().SetId(7, 7)
bVoxel = aVoxel.NewInstance()
bVoxel.DeepCopy(aVoxel)
aVoxelGrid = vtk.vtkUnstructuredGrid()
aVoxelGrid.Allocate(1, 1)
aVoxelGrid.InsertNextCell(aVoxel.GetCellType(), aVoxel.GetPointIds())
aVoxelGrid.SetPoints(voxelPoints)
aVoxelMapper = vtk.vtkDataSetMapper()
aVoxelMapper.SetInputData(aVoxelGrid)
aVoxelActor = vtk.vtkActor()
aVoxelActor.SetMapper(aVoxelMapper)
aVoxelActor.GetProperty().BackfaceCullingOn()
# Hexahedron
hexahedronPoints = vtk.vtkPoints()
hexahedronPoints.SetNumberOfPoints(8)
hexahedronPoints.InsertPoint(0, 0, 0, 0)
hexahedronPoints.InsertPoint(1, 1, 0, 0)
hexahedronPoints.InsertPoint(2, 1, 1, 0)
hexahedronPoints.InsertPoint(3, 0, 1, 0)
hexahedronPoints.InsertPoint(4, 0, 0, 1)
hexahedronPoints.InsertPoint(5, 1, 0, 1)
hexahedronPoints.InsertPoint(6, 1, 1, 1)
hexahedronPoints.InsertPoint(7, 0, 1, 1)
aHexahedron = vtk.vtkHexahedron()
aHexahedron.GetPointIds().SetId(0, 0)
aHexahedron.GetPointIds().SetId(1, 1)
aHexahedron.GetPointIds().SetId(2, 2)
aHexahedron.GetPointIds().SetId(3, 3)
aHexahedron.GetPointIds().SetId(4, 4)
aHexahedron.GetPointIds().SetId(5, 5)
aHexahedron.GetPointIds().SetId(6, 6)
aHexahedron.GetPointIds().SetId(7, 7)
bHexahedron = aHexahedron.NewInstance()
bHexahedron.DeepCopy(aHexahedron)
aHexahedronGrid = vtk.vtkUnstructuredGrid()
aHexahedronGrid.Allocate(1, 1)
aHexahedronGrid.InsertNextCell(aHexahedron.GetCellType(),
aHexahedron.GetPointIds())
aHexahedronGrid.SetPoints(hexahedronPoints)
aHexahedronMapper = vtk.vtkDataSetMapper()
aHexahedronMapper.SetInputData(aHexahedronGrid)
aHexahedronActor = vtk.vtkActor()
aHexahedronActor.SetMapper(aHexahedronMapper)
aHexahedronActor.AddPosition(2, 0, 0)
aHexahedronActor.GetProperty().BackfaceCullingOn()
# Tetra
tetraPoints = vtk.vtkPoints()
tetraPoints.SetNumberOfPoints(4)
tetraPoints.InsertPoint(0, 0, 0, 0)
tetraPoints.InsertPoint(1, 1, 0, 0)
tetraPoints.InsertPoint(2, .5, 1, 0)
tetraPoints.InsertPoint(3, .5, .5, 1)
aTetra = vtk.vtkTetra()
aTetra.GetPointIds().SetId(0, 0)
aTetra.GetPointIds().SetId(1, 1)
aTetra.GetPointIds().SetId(2, 2)
aTetra.GetPointIds().SetId(3, 3)
bTetra = aTetra.NewInstance()
bTetra.DeepCopy(aTetra)
aTetraGrid = vtk.vtkUnstructuredGrid()
aTetraGrid.Allocate(1, 1)
aTetraGrid.InsertNextCell(aTetra.GetCellType(), aTetra.GetPointIds())
aTetraGrid.SetPoints(tetraPoints)
aTetraCopy = vtk.vtkUnstructuredGrid()
aTetraCopy.ShallowCopy(aTetraGrid)
aTetraMapper = vtk.vtkDataSetMapper()
aTetraMapper.SetInputData(aTetraCopy)
aTetraActor = vtk.vtkActor()
aTetraActor.SetMapper(aTetraMapper)
aTetraActor.AddPosition(4, 0, 0)
aTetraActor.GetProperty().BackfaceCullingOn()
# Wedge
wedgePoints = vtk.vtkPoints()
wedgePoints.SetNumberOfPoints(6)
wedgePoints.InsertPoint(0, 0, 1, 0)
wedgePoints.InsertPoint(1, 0, 0, 0)
wedgePoints.InsertPoint(2, 0, .5, .5)
wedgePoints.InsertPoint(3, 1, 1, 0)
wedgePoints.InsertPoint(4, 1, 0, 0)
wedgePoints.InsertPoint(5, 1, .5, .5)
aWedge = vtk.vtkWedge()
aWedge.GetPointIds().SetId(0, 0)
aWedge.GetPointIds().SetId(1, 1)
aWedge.GetPointIds().SetId(2, 2)
aWedge.GetPointIds().SetId(3, 3)
aWedge.GetPointIds().SetId(4, 4)
aWedge.GetPointIds().SetId(5, 5)
bWedge = aWedge.NewInstance()
bWedge.DeepCopy(aWedge)
aWedgeGrid = vtk.vtkUnstructuredGrid()
aWedgeGrid.Allocate(1, 1)
aWedgeGrid.InsertNextCell(aWedge.GetCellType(), aWedge.GetPointIds())
aWedgeGrid.SetPoints(wedgePoints)
aWedgeCopy = vtk.vtkUnstructuredGrid()
aWedgeCopy.DeepCopy(aWedgeGrid)
aWedgeMapper = vtk.vtkDataSetMapper()
aWedgeMapper.SetInputData(aWedgeCopy)
aWedgeActor = vtk.vtkActor()
aWedgeActor.SetMapper(aWedgeMapper)
aWedgeActor.AddPosition(6, 0, 0)
aWedgeActor.GetProperty().BackfaceCullingOn()
# Pyramid
pyramidPoints = vtk.vtkPoints()
pyramidPoints.SetNumberOfPoints(5)
pyramidPoints.InsertPoint(0, 0, 0, 0)
pyramidPoints.InsertPoint(1, 1, 0, 0)
pyramidPoints.InsertPoint(2, 1, 1, 0)
pyramidPoints.InsertPoint(3, 0, 1, 0)
pyramidPoints.InsertPoint(4, .5, .5, 1)
aPyramid = vtk.vtkPyramid()
aPyramid.GetPointIds().SetId(0, 0)
aPyramid.GetPointIds().SetId(1, 1)
aPyramid.GetPointIds().SetId(2, 2)
aPyramid.GetPointIds().SetId(3, 3)
aPyramid.GetPointIds().SetId(4, 4)
bPyramid = aPyramid.NewInstance()
bPyramid.DeepCopy(aPyramid)
aPyramidGrid = vtk.vtkUnstructuredGrid()
aPyramidGrid.Allocate(1, 1)
aPyramidGrid.InsertNextCell(aPyramid.GetCellType(),
aPyramid.GetPointIds())
aPyramidGrid.SetPoints(pyramidPoints)
aPyramidMapper = vtk.vtkDataSetMapper()
aPyramidMapper.SetInputData(aPyramidGrid)
aPyramidActor = vtk.vtkActor()
aPyramidActor.SetMapper(aPyramidMapper)
aPyramidActor.AddPosition(8, 0, 0)
aPyramidActor.GetProperty().BackfaceCullingOn()
# Pixel
pixelPoints = vtk.vtkPoints()
pixelPoints.SetNumberOfPoints(4)
pixelPoints.InsertPoint(0, 0, 0, 0)
pixelPoints.InsertPoint(1, 1, 0, 0)
pixelPoints.InsertPoint(2, 0, 1, 0)
pixelPoints.InsertPoint(3, 1, 1, 0)
aPixel = vtk.vtkPixel()
aPixel.GetPointIds().SetId(0, 0)
aPixel.GetPointIds().SetId(1, 1)
aPixel.GetPointIds().SetId(2, 2)
aPixel.GetPointIds().SetId(3, 3)
bPixel = aPixel.NewInstance()
bPixel.DeepCopy(aPixel)
aPixelGrid = vtk.vtkUnstructuredGrid()
aPixelGrid.Allocate(1, 1)
aPixelGrid.InsertNextCell(aPixel.GetCellType(), aPixel.GetPointIds())
aPixelGrid.SetPoints(pixelPoints)
aPixelMapper = vtk.vtkDataSetMapper()
aPixelMapper.SetInputData(aPixelGrid)
aPixelActor = vtk.vtkActor()
aPixelActor.SetMapper(aPixelMapper)
aPixelActor.AddPosition(0, 0, 2)
aPixelActor.GetProperty().BackfaceCullingOn()
# Quad
quadPoints = vtk.vtkPoints()
quadPoints.SetNumberOfPoints(4)
quadPoints.InsertPoint(0, 0, 0, 0)
quadPoints.InsertPoint(1, 1, 0, 0)
quadPoints.InsertPoint(2, 1, 1, 0)
quadPoints.InsertPoint(3, 0, 1, 0)
aQuad = vtk.vtkQuad()
aQuad.GetPointIds().SetId(0, 0)
aQuad.GetPointIds().SetId(1, 1)
aQuad.GetPointIds().SetId(2, 2)
aQuad.GetPointIds().SetId(3, 3)
bQuad = aQuad.NewInstance()
bQuad.DeepCopy(aQuad)
aQuadGrid = vtk.vtkUnstructuredGrid()
aQuadGrid.Allocate(1, 1)
aQuadGrid.InsertNextCell(aQuad.GetCellType(), aQuad.GetPointIds())
aQuadGrid.SetPoints(quadPoints)
aQuadMapper = vtk.vtkDataSetMapper()
aQuadMapper.SetInputData(aQuadGrid)
aQuadActor = vtk.vtkActor()
aQuadActor.SetMapper(aQuadMapper)
aQuadActor.AddPosition(2, 0, 2)
aQuadActor.GetProperty().BackfaceCullingOn()
# Triangle
trianglePoints = vtk.vtkPoints()
trianglePoints.SetNumberOfPoints(3)
trianglePoints.InsertPoint(0, 0, 0, 0)
trianglePoints.InsertPoint(1, 1, 0, 0)
trianglePoints.InsertPoint(2, .5, .5, 0)
triangleTCoords = vtk.vtkFloatArray()
triangleTCoords.SetNumberOfComponents(2)
triangleTCoords.SetNumberOfTuples(3)
triangleTCoords.InsertTuple2(0, 1, 1)
triangleTCoords.InsertTuple2(1, 2, 2)
triangleTCoords.InsertTuple2(2, 3, 3)
aTriangle = vtk.vtkTriangle()
aTriangle.GetPointIds().SetId(0, 0)
aTriangle.GetPointIds().SetId(1, 1)
aTriangle.GetPointIds().SetId(2, 2)
bTriangle = aTriangle.NewInstance()
bTriangle.DeepCopy(aTriangle)
aTriangleGrid = vtk.vtkUnstructuredGrid()
aTriangleGrid.Allocate(1, 1)
aTriangleGrid.InsertNextCell(aTriangle.GetCellType(),
aTriangle.GetPointIds())
aTriangleGrid.SetPoints(trianglePoints)
aTriangleGrid.GetPointData().SetTCoords(triangleTCoords)
aTriangleMapper = vtk.vtkDataSetMapper()
aTriangleMapper.SetInputData(aTriangleGrid)
aTriangleActor = vtk.vtkActor()
aTriangleActor.SetMapper(aTriangleMapper)
aTriangleActor.AddPosition(4, 0, 2)
aTriangleActor.GetProperty().BackfaceCullingOn()
# Polygon
polygonPoints = vtk.vtkPoints()
polygonPoints.SetNumberOfPoints(4)
polygonPoints.InsertPoint(0, 0, 0, 0)
polygonPoints.InsertPoint(1, 1, 0, 0)
polygonPoints.InsertPoint(2, 1, 1, 0)
polygonPoints.InsertPoint(3, 0, 1, 0)
aPolygon = vtk.vtkPolygon()
aPolygon.GetPointIds().SetNumberOfIds(4)
aPolygon.GetPointIds().SetId(0, 0)
aPolygon.GetPointIds().SetId(1, 1)
aPolygon.GetPointIds().SetId(2, 2)
aPolygon.GetPointIds().SetId(3, 3)
bPolygon = aPolygon.NewInstance()
bPolygon.DeepCopy(aPolygon)
aPolygonGrid = vtk.vtkUnstructuredGrid()
aPolygonGrid.Allocate(1, 1)
aPolygonGrid.InsertNextCell(aPolygon.GetCellType(),
aPolygon.GetPointIds())
aPolygonGrid.SetPoints(polygonPoints)
aPolygonMapper = vtk.vtkDataSetMapper()
aPolygonMapper.SetInputData(aPolygonGrid)
aPolygonActor = vtk.vtkActor()
aPolygonActor.SetMapper(aPolygonMapper)
aPolygonActor.AddPosition(6, 0, 2)
aPolygonActor.GetProperty().BackfaceCullingOn()
# Triangle Strip
triangleStripPoints = vtk.vtkPoints()
triangleStripPoints.SetNumberOfPoints(5)
triangleStripPoints.InsertPoint(0, 0, 1, 0)
triangleStripPoints.InsertPoint(1, 0, 0, 0)
triangleStripPoints.InsertPoint(2, 1, 1, 0)
triangleStripPoints.InsertPoint(3, 1, 0, 0)
triangleStripPoints.InsertPoint(4, 2, 1, 0)
triangleStripTCoords = vtk.vtkFloatArray()
triangleStripTCoords.SetNumberOfComponents(2)
triangleStripTCoords.SetNumberOfTuples(3)
triangleStripTCoords.InsertTuple2(0, 1, 1)
triangleStripTCoords.InsertTuple2(1, 2, 2)
triangleStripTCoords.InsertTuple2(2, 3, 3)
triangleStripTCoords.InsertTuple2(3, 4, 4)
triangleStripTCoords.InsertTuple2(4, 5, 5)
aTriangleStrip = vtk.vtkTriangleStrip()
aTriangleStrip.GetPointIds().SetNumberOfIds(5)
aTriangleStrip.GetPointIds().SetId(0, 0)
aTriangleStrip.GetPointIds().SetId(1, 1)
aTriangleStrip.GetPointIds().SetId(2, 2)
aTriangleStrip.GetPointIds().SetId(3, 3)
aTriangleStrip.GetPointIds().SetId(4, 4)
bTriangleStrip = aTriangleStrip.NewInstance()
bTriangleStrip.DeepCopy(aTriangleStrip)
aTriangleStripGrid = vtk.vtkUnstructuredGrid()
aTriangleStripGrid.Allocate(1, 1)
aTriangleStripGrid.InsertNextCell(aTriangleStrip.GetCellType(),
aTriangleStrip.GetPointIds())
aTriangleStripGrid.SetPoints(triangleStripPoints)
aTriangleStripGrid.GetPointData().SetTCoords(triangleStripTCoords)
aTriangleStripMapper = vtk.vtkDataSetMapper()
aTriangleStripMapper.SetInputData(aTriangleStripGrid)
aTriangleStripActor = vtk.vtkActor()
aTriangleStripActor.SetMapper(aTriangleStripMapper)
aTriangleStripActor.AddPosition(8, 0, 2)
aTriangleStripActor.GetProperty().BackfaceCullingOn()
# Line
linePoints = vtk.vtkPoints()
linePoints.SetNumberOfPoints(2)
linePoints.InsertPoint(0, 0, 0, 0)
linePoints.InsertPoint(1, 1, 1, 0)
aLine = vtk.vtkLine()
aLine.GetPointIds().SetId(0, 0)
aLine.GetPointIds().SetId(1, 1)
bLine = aLine.NewInstance()
bLine.DeepCopy(aLine)
aLineGrid = vtk.vtkUnstructuredGrid()
aLineGrid.Allocate(1, 1)
aLineGrid.InsertNextCell(aLine.GetCellType(), aLine.GetPointIds())
aLineGrid.SetPoints(linePoints)
aLineMapper = vtk.vtkDataSetMapper()
aLineMapper.SetInputData(aLineGrid)
aLineActor = vtk.vtkActor()
aLineActor.SetMapper(aLineMapper)
aLineActor.AddPosition(0, 0, 4)
aLineActor.GetProperty().BackfaceCullingOn()
# Poly line
polyLinePoints = vtk.vtkPoints()
polyLinePoints.SetNumberOfPoints(3)
polyLinePoints.InsertPoint(0, 0, 0, 0)
polyLinePoints.InsertPoint(1, 1, 1, 0)
polyLinePoints.InsertPoint(2, 1, 0, 0)
aPolyLine = vtk.vtkPolyLine()
aPolyLine.GetPointIds().SetNumberOfIds(3)
aPolyLine.GetPointIds().SetId(0, 0)
aPolyLine.GetPointIds().SetId(1, 1)
aPolyLine.GetPointIds().SetId(2, 2)
bPolyLine = aPolyLine.NewInstance()
bPolyLine.DeepCopy(aPolyLine)
aPolyLineGrid = vtk.vtkUnstructuredGrid()
aPolyLineGrid.Allocate(1, 1)
aPolyLineGrid.InsertNextCell(aPolyLine.GetCellType(),
aPolyLine.GetPointIds())
aPolyLineGrid.SetPoints(polyLinePoints)
aPolyLineMapper = vtk.vtkDataSetMapper()
aPolyLineMapper.SetInputData(aPolyLineGrid)
aPolyLineActor = vtk.vtkActor()
aPolyLineActor.SetMapper(aPolyLineMapper)
aPolyLineActor.AddPosition(2, 0, 4)
aPolyLineActor.GetProperty().BackfaceCullingOn()
# Vertex
vertexPoints = vtk.vtkPoints()
vertexPoints.SetNumberOfPoints(1)
vertexPoints.InsertPoint(0, 0, 0, 0)
aVertex = vtk.vtkVertex()
aVertex.GetPointIds().SetId(0, 0)
bVertex = aVertex.NewInstance()
bVertex.DeepCopy(aVertex)
aVertexGrid = vtk.vtkUnstructuredGrid()
aVertexGrid.Allocate(1, 1)
aVertexGrid.InsertNextCell(aVertex.GetCellType(),
aVertex.GetPointIds())
aVertexGrid.SetPoints(vertexPoints)
aVertexMapper = vtk.vtkDataSetMapper()
aVertexMapper.SetInputData(aVertexGrid)
aVertexActor = vtk.vtkActor()
aVertexActor.SetMapper(aVertexMapper)
aVertexActor.AddPosition(0, 0, 6)
aVertexActor.GetProperty().BackfaceCullingOn()
# Poly Vertex
polyVertexPoints = vtk.vtkPoints()
polyVertexPoints.SetNumberOfPoints(3)
polyVertexPoints.InsertPoint(0, 0, 0, 0)
polyVertexPoints.InsertPoint(1, 1, 0, 0)
polyVertexPoints.InsertPoint(2, 1, 1, 0)
aPolyVertex = vtk.vtkPolyVertex()
aPolyVertex.GetPointIds().SetNumberOfIds(3)
aPolyVertex.GetPointIds().SetId(0, 0)
aPolyVertex.GetPointIds().SetId(1, 1)
aPolyVertex.GetPointIds().SetId(2, 2)
bPolyVertex = aPolyVertex.NewInstance()
bPolyVertex.DeepCopy(aPolyVertex)
aPolyVertexGrid = vtk.vtkUnstructuredGrid()
aPolyVertexGrid.Allocate(1, 1)
aPolyVertexGrid.InsertNextCell(aPolyVertex.GetCellType(),
aPolyVertex.GetPointIds())
aPolyVertexGrid.SetPoints(polyVertexPoints)
aPolyVertexMapper = vtk.vtkDataSetMapper()
aPolyVertexMapper.SetInputData(aPolyVertexGrid)
aPolyVertexActor = vtk.vtkActor()
aPolyVertexActor.SetMapper(aPolyVertexMapper)
aPolyVertexActor.AddPosition(2, 0, 6)
aPolyVertexActor.GetProperty().BackfaceCullingOn()
# Pentagonal prism
pentaPoints = vtk.vtkPoints()
pentaPoints.SetNumberOfPoints(10)
pentaPoints.InsertPoint(0, 0.25, 0.0, 0.0)
pentaPoints.InsertPoint(1, 0.75, 0.0, 0.0)
pentaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
pentaPoints.InsertPoint(3, 0.5, 1.0, 0.0)
pentaPoints.InsertPoint(4, 0.0, 0.5, 0.0)
pentaPoints.InsertPoint(5, 0.25, 0.0, 1.0)
pentaPoints.InsertPoint(6, 0.75, 0.0, 1.0)
pentaPoints.InsertPoint(7, 1.0, 0.5, 1.0)
pentaPoints.InsertPoint(8, 0.5, 1.0, 1.0)
pentaPoints.InsertPoint(9, 0.0, 0.5, 1.0)
aPenta = vtk.vtkPentagonalPrism()
aPenta.GetPointIds().SetId(0, 0)
aPenta.GetPointIds().SetId(1, 1)
aPenta.GetPointIds().SetId(2, 2)
aPenta.GetPointIds().SetId(3, 3)
aPenta.GetPointIds().SetId(4, 4)
aPenta.GetPointIds().SetId(5, 5)
aPenta.GetPointIds().SetId(6, 6)
aPenta.GetPointIds().SetId(7, 7)
aPenta.GetPointIds().SetId(8, 8)
aPenta.GetPointIds().SetId(9, 9)
bPenta = aPenta.NewInstance()
bPenta.DeepCopy(aPenta)
aPentaGrid = vtk.vtkUnstructuredGrid()
aPentaGrid.Allocate(1, 1)
aPentaGrid.InsertNextCell(aPenta.GetCellType(), aPenta.GetPointIds())
aPentaGrid.SetPoints(pentaPoints)
aPentaCopy = vtk.vtkUnstructuredGrid()
aPentaCopy.DeepCopy(aPentaGrid)
aPentaMapper = vtk.vtkDataSetMapper()
aPentaMapper.SetInputData(aPentaCopy)
aPentaActor = vtk.vtkActor()
aPentaActor.SetMapper(aPentaMapper)
aPentaActor.AddPosition(10, 0, 0)
aPentaActor.GetProperty().BackfaceCullingOn()
# Hexagonal prism
hexaPoints = vtk.vtkPoints()
hexaPoints.SetNumberOfPoints(12)
hexaPoints.InsertPoint(0, 0.0, 0.0, 0.0)
hexaPoints.InsertPoint(1, 0.5, 0.0, 0.0)
hexaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
hexaPoints.InsertPoint(3, 1.0, 1.0, 0.0)
hexaPoints.InsertPoint(4, 0.5, 1.0, 0.0)
hexaPoints.InsertPoint(5, 0.0, 0.5, 0.0)
hexaPoints.InsertPoint(6, 0.0, 0.0, 1.0)
hexaPoints.InsertPoint(7, 0.5, 0.0, 1.0)
hexaPoints.InsertPoint(8, 1.0, 0.5, 1.0)
hexaPoints.InsertPoint(9, 1.0, 1.0, 1.0)
hexaPoints.InsertPoint(10, 0.5, 1.0, 1.0)
hexaPoints.InsertPoint(11, 0.0, 0.5, 1.0)
aHexa = vtk.vtkHexagonalPrism()
aHexa.GetPointIds().SetId(0, 0)
aHexa.GetPointIds().SetId(1, 1)
aHexa.GetPointIds().SetId(2, 2)
aHexa.GetPointIds().SetId(3, 3)
aHexa.GetPointIds().SetId(4, 4)
aHexa.GetPointIds().SetId(5, 5)
aHexa.GetPointIds().SetId(6, 6)
aHexa.GetPointIds().SetId(7, 7)
aHexa.GetPointIds().SetId(8, 8)
aHexa.GetPointIds().SetId(9, 9)
aHexa.GetPointIds().SetId(10, 10)
aHexa.GetPointIds().SetId(11, 11)
bHexa = aHexa.NewInstance()
bHexa.DeepCopy(aHexa)
aHexaGrid = vtk.vtkUnstructuredGrid()
aHexaGrid.Allocate(1, 1)
aHexaGrid.InsertNextCell(aHexa.GetCellType(), aHexa.GetPointIds())
aHexaGrid.SetPoints(hexaPoints)
aHexaCopy = vtk.vtkUnstructuredGrid()
aHexaCopy.DeepCopy(aHexaGrid)
aHexaMapper = vtk.vtkDataSetMapper()
aHexaMapper.SetInputData(aHexaCopy)
aHexaActor = vtk.vtkActor()
aHexaActor.SetMapper(aHexaMapper)
aHexaActor.AddPosition(12, 0, 0)
aHexaActor.GetProperty().BackfaceCullingOn()
# RIB property
if hasattr(vtk, 'vtkRIBProperty'):
aRIBProperty = vtk.vtkRIBProperty()
aRIBProperty.SetVariable("Km", "float")
aRIBProperty.SetSurfaceShader("LGVeinedmarble")
aRIBProperty.SetVariable("veinfreq", "float")
aRIBProperty.AddVariable("warpfreq", "float")
aRIBProperty.AddVariable("veincolor", "color")
aRIBProperty.AddSurfaceShaderParameter("veinfreq", " 2")
aRIBProperty.AddSurfaceShaderParameter("veincolor",
"1.0000 1.0000 0.9412")
bRIBProperty = vtk.vtkRIBProperty()
bRIBProperty.SetVariable("Km", "float")
bRIBProperty.SetSurfaceShaderParameter("Km", "1.0")
bRIBProperty.SetDisplacementShader("dented")
bRIBProperty.SetSurfaceShader("plastic")
aProperty = vtk.vtkProperty()
bProperty = vtk.vtkProperty()
aTriangleActor.SetProperty(aProperty)
aTriangleStripActor.SetProperty(bProperty)
ren.SetBackground(.1, .2, .4)
ren.AddActor(aVoxelActor)
aVoxelActor.GetProperty().SetDiffuseColor(1, 0, 0)
ren.AddActor(aHexahedronActor)
aHexahedronActor.GetProperty().SetDiffuseColor(1, 1, 0)
ren.AddActor(aTetraActor)
aTetraActor.GetProperty().SetDiffuseColor(0, 1, 0)
ren.AddActor(aWedgeActor)
aWedgeActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aPyramidActor)
aPyramidActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aPixelActor)
aPixelActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aQuadActor)
aQuadActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aTriangleActor)
aTriangleActor.GetProperty().SetDiffuseColor(.3, 1, .5)
ren.AddActor(aPolygonActor)
aPolygonActor.GetProperty().SetDiffuseColor(1, .4, .5)
ren.AddActor(aTriangleStripActor)
aTriangleStripActor.GetProperty().SetDiffuseColor(.3, .7, 1)
ren.AddActor(aLineActor)
aLineActor.GetProperty().SetDiffuseColor(.2, 1, 1)
ren.AddActor(aPolyLineActor)
aPolyLineActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aVertexActor)
aVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPolyVertexActor)
aPolyVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPentaActor)
aPentaActor.GetProperty().SetDiffuseColor(.2, .4, .7)
ren.AddActor(aHexaActor)
aHexaActor.GetProperty().SetDiffuseColor(.7, .5, 1)
if hasattr(vtk, 'vtkRIBLight'):
aRIBLight = vtk.vtkRIBLight()
aRIBLight.SetIntensity(0.7)
ren.AddLight(aRIBLight)
aLight = vtk.vtkLight()
aLight.PositionalOn()
aLight.SetConeAngle(10.0)
aLight.SetIntensity(0.7)
ren.AddLight(aLight)
ren.ResetCamera()
ren.GetActiveCamera().Azimuth(30)
ren.GetActiveCamera().Elevation(20)
ren.GetActiveCamera().Dolly(2.8)
ren.ResetCameraClippingRange()
dir = VTK_TEMP_DIR
atext = vtk.vtkTexture()
pnmReader = vtk.vtkBMPReader()
pnmReader.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
atext.SetInputConnection(pnmReader.GetOutputPort())
atext.InterpolateOff()
aTriangleActor.SetTexture(atext)
aRIBLight.SetFocalPoint(ren.GetActiveCamera().GetFocalPoint())
aRIBLight.SetPosition(ren.GetActiveCamera().GetPosition())
aLight.SetFocalPoint(ren.GetActiveCamera().GetFocalPoint())
aLight.SetPosition(ren.GetActiveCamera().GetPosition())
# bascially have IO/Export ?
if hasattr(vtk, 'vtkRIBExporter'):
rib = vtk.vtkRIBExporter()
rib.SetInput(renWin)
rib.SetFilePrefix(dir + '/cells')
rib.SetTexturePrefix(dir + '/cells')
rib.Write()
iv = vtk.vtkIVExporter()
iv.SetInput(renWin)
iv.SetFileName(dir + "/cells.iv")
iv.Write()
os.remove(dir + '/cells.iv')
obj = vtk.vtkOBJExporter()
obj.SetInput(renWin)
obj.SetFilePrefix(dir + "/cells")
obj.Write()
os.remove(dir + '/cells.obj')
os.remove(dir + '/cells.mtl')
vrml = vtk.vtkVRMLExporter()
vrml.SetInput(renWin)
#vrml.SetStartWrite(vrml.SetFileName(dir + "/cells.wrl"))
#vrml.SetEndWrite(vrml.SetFileName("/a/acells.wrl"))
vrml.SetFileName(dir + "/cells.wrl")
vrml.SetSpeed(5.5)
vrml.Write()
os.remove(dir + '/cells.wrl')
oogl = vtk.vtkOOGLExporter()
oogl.SetInput(renWin)
oogl.SetFileName(dir + "/cells.oogl")
oogl.Write()
os.remove(dir + '/cells.oogl')
# the UnRegister calls are because make object is the same as New,
# and causes memory leaks. (Python does not treat NewInstance the same as New).
def DeleteCopies():
bVoxel.UnRegister(None)
bHexahedron.UnRegister(None)
bTetra.UnRegister(None)
bWedge.UnRegister(None)
bPyramid.UnRegister(None)
bPixel.UnRegister(None)
bQuad.UnRegister(None)
bTriangle.UnRegister(None)
bPolygon.UnRegister(None)
bTriangleStrip.UnRegister(None)
bLine.UnRegister(None)
bPolyLine.UnRegister(None)
bVertex.UnRegister(None)
bPolyVertex.UnRegister(None)
bPenta.UnRegister(None)
bHexa.UnRegister(None)
DeleteCopies()
# render and interact with data
renWin.Render()
img_file = "cells.png"
vtk.test.Testing.compareImage(
iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file))
vtk.test.Testing.interact()
# Hexagonal prism hexaPoints = vtk.vtkPoints() hexaPoints.SetNumberOfPoints(12) hexaPoints.InsertPoint(0,0.0,0.0,0.0) hexaPoints.InsertPoint(1,0.5,0.0,0.0) hexaPoints.InsertPoint(2,1.0,0.5,0.0) hexaPoints.InsertPoint(3,1.0,1.0,0.0) hexaPoints.InsertPoint(4,0.5,1.0,0.0) hexaPoints.InsertPoint(5,0.0,0.5,0.0) hexaPoints.InsertPoint(6,0.0,0.0,1.0) hexaPoints.InsertPoint(7,0.5,0.0,1.0) hexaPoints.InsertPoint(8,1.0,0.5,1.0) hexaPoints.InsertPoint(9,1.0,1.0,1.0) hexaPoints.InsertPoint(10,0.5,1.0,1.0) hexaPoints.InsertPoint(11,0.0,0.5,1.0) aHexa = vtk.vtkHexagonalPrism() aHexa.GetPointIds().SetId(0,0) aHexa.GetPointIds().SetId(1,1) aHexa.GetPointIds().SetId(2,2) aHexa.GetPointIds().SetId(3,3) aHexa.GetPointIds().SetId(4,4) aHexa.GetPointIds().SetId(5,5) aHexa.GetPointIds().SetId(6,6) aHexa.GetPointIds().SetId(7,7) aHexa.GetPointIds().SetId(8,8) aHexa.GetPointIds().SetId(9,9) aHexa.GetPointIds().SetId(10,10) aHexa.GetPointIds().SetId(11,11) aHexaGrid = vtk.vtkUnstructuredGrid() aHexaGrid.Allocate(1,1) aHexaGrid.InsertNextCell(aHexa.GetCellType(),aHexa.GetPointIds())
def testCells(self):
# Demonstrates all cell types
#
# NOTE: the use of NewInstance/DeepCopy is included to increase
# regression coverage. It is not required in most applications.
ren = vtk.vtkRenderer()
# turn off all cullers
ren.GetCullers().RemoveAllItems()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(300, 150)
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
# create a scene with one of each cell type
# Voxel
voxelPoints = vtk.vtkPoints()
voxelPoints.SetNumberOfPoints(8)
voxelPoints.InsertPoint(0, 0, 0, 0)
voxelPoints.InsertPoint(1, 1, 0, 0)
voxelPoints.InsertPoint(2, 0, 1, 0)
voxelPoints.InsertPoint(3, 1, 1, 0)
voxelPoints.InsertPoint(4, 0, 0, 1)
voxelPoints.InsertPoint(5, 1, 0, 1)
voxelPoints.InsertPoint(6, 0, 1, 1)
voxelPoints.InsertPoint(7, 1, 1, 1)
aVoxel = vtk.vtkVoxel()
aVoxel.GetPointIds().SetId(0, 0)
aVoxel.GetPointIds().SetId(1, 1)
aVoxel.GetPointIds().SetId(2, 2)
aVoxel.GetPointIds().SetId(3, 3)
aVoxel.GetPointIds().SetId(4, 4)
aVoxel.GetPointIds().SetId(5, 5)
aVoxel.GetPointIds().SetId(6, 6)
aVoxel.GetPointIds().SetId(7, 7)
bVoxel = aVoxel.NewInstance()
bVoxel.DeepCopy(aVoxel)
aVoxelGrid = vtk.vtkUnstructuredGrid()
aVoxelGrid.Allocate(1, 1)
aVoxelGrid.InsertNextCell(aVoxel.GetCellType(), aVoxel.GetPointIds())
aVoxelGrid.SetPoints(voxelPoints)
aVoxelMapper = vtk.vtkDataSetMapper()
aVoxelMapper.SetInputData(aVoxelGrid)
aVoxelActor = vtk.vtkActor()
aVoxelActor.SetMapper(aVoxelMapper)
aVoxelActor.GetProperty().BackfaceCullingOn()
# Hexahedron
hexahedronPoints = vtk.vtkPoints()
hexahedronPoints.SetNumberOfPoints(8)
hexahedronPoints.InsertPoint(0, 0, 0, 0)
hexahedronPoints.InsertPoint(1, 1, 0, 0)
hexahedronPoints.InsertPoint(2, 1, 1, 0)
hexahedronPoints.InsertPoint(3, 0, 1, 0)
hexahedronPoints.InsertPoint(4, 0, 0, 1)
hexahedronPoints.InsertPoint(5, 1, 0, 1)
hexahedronPoints.InsertPoint(6, 1, 1, 1)
hexahedronPoints.InsertPoint(7, 0, 1, 1)
aHexahedron = vtk.vtkHexahedron()
aHexahedron.GetPointIds().SetId(0, 0)
aHexahedron.GetPointIds().SetId(1, 1)
aHexahedron.GetPointIds().SetId(2, 2)
aHexahedron.GetPointIds().SetId(3, 3)
aHexahedron.GetPointIds().SetId(4, 4)
aHexahedron.GetPointIds().SetId(5, 5)
aHexahedron.GetPointIds().SetId(6, 6)
aHexahedron.GetPointIds().SetId(7, 7)
bHexahedron = aHexahedron.NewInstance()
bHexahedron.DeepCopy(aHexahedron)
aHexahedronGrid = vtk.vtkUnstructuredGrid()
aHexahedronGrid.Allocate(1, 1)
aHexahedronGrid.InsertNextCell(aHexahedron.GetCellType(), aHexahedron.GetPointIds())
aHexahedronGrid.SetPoints(hexahedronPoints)
aHexahedronMapper = vtk.vtkDataSetMapper()
aHexahedronMapper.SetInputData(aHexahedronGrid)
aHexahedronActor = vtk.vtkActor()
aHexahedronActor.SetMapper(aHexahedronMapper)
aHexahedronActor.AddPosition(2, 0, 0)
aHexahedronActor.GetProperty().BackfaceCullingOn()
# Tetra
tetraPoints = vtk.vtkPoints()
tetraPoints.SetNumberOfPoints(4)
tetraPoints.InsertPoint(0, 0, 0, 0)
tetraPoints.InsertPoint(1, 1, 0, 0)
tetraPoints.InsertPoint(2, 0.5, 1, 0)
tetraPoints.InsertPoint(3, 0.5, 0.5, 1)
aTetra = vtk.vtkTetra()
aTetra.GetPointIds().SetId(0, 0)
aTetra.GetPointIds().SetId(1, 1)
aTetra.GetPointIds().SetId(2, 2)
aTetra.GetPointIds().SetId(3, 3)
bTetra = aTetra.NewInstance()
bTetra.DeepCopy(aTetra)
aTetraGrid = vtk.vtkUnstructuredGrid()
aTetraGrid.Allocate(1, 1)
aTetraGrid.InsertNextCell(aTetra.GetCellType(), aTetra.GetPointIds())
aTetraGrid.SetPoints(tetraPoints)
aTetraCopy = vtk.vtkUnstructuredGrid()
aTetraCopy.ShallowCopy(aTetraGrid)
aTetraMapper = vtk.vtkDataSetMapper()
aTetraMapper.SetInputData(aTetraCopy)
aTetraActor = vtk.vtkActor()
aTetraActor.SetMapper(aTetraMapper)
aTetraActor.AddPosition(4, 0, 0)
aTetraActor.GetProperty().BackfaceCullingOn()
# Wedge
wedgePoints = vtk.vtkPoints()
wedgePoints.SetNumberOfPoints(6)
wedgePoints.InsertPoint(0, 0, 1, 0)
wedgePoints.InsertPoint(1, 0, 0, 0)
wedgePoints.InsertPoint(2, 0, 0.5, 0.5)
wedgePoints.InsertPoint(3, 1, 1, 0)
wedgePoints.InsertPoint(4, 1, 0, 0)
wedgePoints.InsertPoint(5, 1, 0.5, 0.5)
aWedge = vtk.vtkWedge()
aWedge.GetPointIds().SetId(0, 0)
aWedge.GetPointIds().SetId(1, 1)
aWedge.GetPointIds().SetId(2, 2)
aWedge.GetPointIds().SetId(3, 3)
aWedge.GetPointIds().SetId(4, 4)
aWedge.GetPointIds().SetId(5, 5)
bWedge = aWedge.NewInstance()
bWedge.DeepCopy(aWedge)
aWedgeGrid = vtk.vtkUnstructuredGrid()
aWedgeGrid.Allocate(1, 1)
aWedgeGrid.InsertNextCell(aWedge.GetCellType(), aWedge.GetPointIds())
aWedgeGrid.SetPoints(wedgePoints)
aWedgeCopy = vtk.vtkUnstructuredGrid()
aWedgeCopy.DeepCopy(aWedgeGrid)
aWedgeMapper = vtk.vtkDataSetMapper()
aWedgeMapper.SetInputData(aWedgeCopy)
aWedgeActor = vtk.vtkActor()
aWedgeActor.SetMapper(aWedgeMapper)
aWedgeActor.AddPosition(6, 0, 0)
aWedgeActor.GetProperty().BackfaceCullingOn()
# Pyramid
pyramidPoints = vtk.vtkPoints()
pyramidPoints.SetNumberOfPoints(5)
pyramidPoints.InsertPoint(0, 0, 0, 0)
pyramidPoints.InsertPoint(1, 1, 0, 0)
pyramidPoints.InsertPoint(2, 1, 1, 0)
pyramidPoints.InsertPoint(3, 0, 1, 0)
pyramidPoints.InsertPoint(4, 0.5, 0.5, 1)
aPyramid = vtk.vtkPyramid()
aPyramid.GetPointIds().SetId(0, 0)
aPyramid.GetPointIds().SetId(1, 1)
aPyramid.GetPointIds().SetId(2, 2)
aPyramid.GetPointIds().SetId(3, 3)
aPyramid.GetPointIds().SetId(4, 4)
bPyramid = aPyramid.NewInstance()
bPyramid.DeepCopy(aPyramid)
aPyramidGrid = vtk.vtkUnstructuredGrid()
aPyramidGrid.Allocate(1, 1)
aPyramidGrid.InsertNextCell(aPyramid.GetCellType(), aPyramid.GetPointIds())
aPyramidGrid.SetPoints(pyramidPoints)
aPyramidMapper = vtk.vtkDataSetMapper()
aPyramidMapper.SetInputData(aPyramidGrid)
aPyramidActor = vtk.vtkActor()
aPyramidActor.SetMapper(aPyramidMapper)
aPyramidActor.AddPosition(8, 0, 0)
aPyramidActor.GetProperty().BackfaceCullingOn()
# Pixel
pixelPoints = vtk.vtkPoints()
pixelPoints.SetNumberOfPoints(4)
pixelPoints.InsertPoint(0, 0, 0, 0)
pixelPoints.InsertPoint(1, 1, 0, 0)
pixelPoints.InsertPoint(2, 0, 1, 0)
pixelPoints.InsertPoint(3, 1, 1, 0)
aPixel = vtk.vtkPixel()
aPixel.GetPointIds().SetId(0, 0)
aPixel.GetPointIds().SetId(1, 1)
aPixel.GetPointIds().SetId(2, 2)
aPixel.GetPointIds().SetId(3, 3)
bPixel = aPixel.NewInstance()
bPixel.DeepCopy(aPixel)
aPixelGrid = vtk.vtkUnstructuredGrid()
aPixelGrid.Allocate(1, 1)
aPixelGrid.InsertNextCell(aPixel.GetCellType(), aPixel.GetPointIds())
aPixelGrid.SetPoints(pixelPoints)
aPixelMapper = vtk.vtkDataSetMapper()
aPixelMapper.SetInputData(aPixelGrid)
aPixelActor = vtk.vtkActor()
aPixelActor.SetMapper(aPixelMapper)
aPixelActor.AddPosition(0, 0, 2)
aPixelActor.GetProperty().BackfaceCullingOn()
# Quad
quadPoints = vtk.vtkPoints()
quadPoints.SetNumberOfPoints(4)
quadPoints.InsertPoint(0, 0, 0, 0)
quadPoints.InsertPoint(1, 1, 0, 0)
quadPoints.InsertPoint(2, 1, 1, 0)
quadPoints.InsertPoint(3, 0, 1, 0)
aQuad = vtk.vtkQuad()
aQuad.GetPointIds().SetId(0, 0)
aQuad.GetPointIds().SetId(1, 1)
aQuad.GetPointIds().SetId(2, 2)
aQuad.GetPointIds().SetId(3, 3)
bQuad = aQuad.NewInstance()
bQuad.DeepCopy(aQuad)
aQuadGrid = vtk.vtkUnstructuredGrid()
aQuadGrid.Allocate(1, 1)
aQuadGrid.InsertNextCell(aQuad.GetCellType(), aQuad.GetPointIds())
aQuadGrid.SetPoints(quadPoints)
aQuadMapper = vtk.vtkDataSetMapper()
aQuadMapper.SetInputData(aQuadGrid)
aQuadActor = vtk.vtkActor()
aQuadActor.SetMapper(aQuadMapper)
aQuadActor.AddPosition(2, 0, 2)
aQuadActor.GetProperty().BackfaceCullingOn()
# Triangle
trianglePoints = vtk.vtkPoints()
trianglePoints.SetNumberOfPoints(3)
trianglePoints.InsertPoint(0, 0, 0, 0)
trianglePoints.InsertPoint(1, 1, 0, 0)
trianglePoints.InsertPoint(2, 0.5, 0.5, 0)
triangleTCoords = vtk.vtkFloatArray()
triangleTCoords.SetNumberOfComponents(2)
triangleTCoords.SetNumberOfTuples(3)
triangleTCoords.InsertTuple2(0, 1, 1)
triangleTCoords.InsertTuple2(1, 2, 2)
triangleTCoords.InsertTuple2(2, 3, 3)
aTriangle = vtk.vtkTriangle()
aTriangle.GetPointIds().SetId(0, 0)
aTriangle.GetPointIds().SetId(1, 1)
aTriangle.GetPointIds().SetId(2, 2)
bTriangle = aTriangle.NewInstance()
bTriangle.DeepCopy(aTriangle)
aTriangleGrid = vtk.vtkUnstructuredGrid()
aTriangleGrid.Allocate(1, 1)
aTriangleGrid.InsertNextCell(aTriangle.GetCellType(), aTriangle.GetPointIds())
aTriangleGrid.SetPoints(trianglePoints)
aTriangleGrid.GetPointData().SetTCoords(triangleTCoords)
aTriangleMapper = vtk.vtkDataSetMapper()
aTriangleMapper.SetInputData(aTriangleGrid)
aTriangleActor = vtk.vtkActor()
aTriangleActor.SetMapper(aTriangleMapper)
aTriangleActor.AddPosition(4, 0, 2)
aTriangleActor.GetProperty().BackfaceCullingOn()
# Polygon
polygonPoints = vtk.vtkPoints()
polygonPoints.SetNumberOfPoints(4)
polygonPoints.InsertPoint(0, 0, 0, 0)
polygonPoints.InsertPoint(1, 1, 0, 0)
polygonPoints.InsertPoint(2, 1, 1, 0)
polygonPoints.InsertPoint(3, 0, 1, 0)
aPolygon = vtk.vtkPolygon()
aPolygon.GetPointIds().SetNumberOfIds(4)
aPolygon.GetPointIds().SetId(0, 0)
aPolygon.GetPointIds().SetId(1, 1)
aPolygon.GetPointIds().SetId(2, 2)
aPolygon.GetPointIds().SetId(3, 3)
bPolygon = aPolygon.NewInstance()
bPolygon.DeepCopy(aPolygon)
aPolygonGrid = vtk.vtkUnstructuredGrid()
aPolygonGrid.Allocate(1, 1)
aPolygonGrid.InsertNextCell(aPolygon.GetCellType(), aPolygon.GetPointIds())
aPolygonGrid.SetPoints(polygonPoints)
aPolygonMapper = vtk.vtkDataSetMapper()
aPolygonMapper.SetInputData(aPolygonGrid)
aPolygonActor = vtk.vtkActor()
aPolygonActor.SetMapper(aPolygonMapper)
aPolygonActor.AddPosition(6, 0, 2)
aPolygonActor.GetProperty().BackfaceCullingOn()
# Triangle Strip
triangleStripPoints = vtk.vtkPoints()
triangleStripPoints.SetNumberOfPoints(5)
triangleStripPoints.InsertPoint(0, 0, 1, 0)
triangleStripPoints.InsertPoint(1, 0, 0, 0)
triangleStripPoints.InsertPoint(2, 1, 1, 0)
triangleStripPoints.InsertPoint(3, 1, 0, 0)
triangleStripPoints.InsertPoint(4, 2, 1, 0)
triangleStripTCoords = vtk.vtkFloatArray()
triangleStripTCoords.SetNumberOfComponents(2)
triangleStripTCoords.SetNumberOfTuples(3)
triangleStripTCoords.InsertTuple2(0, 1, 1)
triangleStripTCoords.InsertTuple2(1, 2, 2)
triangleStripTCoords.InsertTuple2(2, 3, 3)
triangleStripTCoords.InsertTuple2(3, 4, 4)
triangleStripTCoords.InsertTuple2(4, 5, 5)
aTriangleStrip = vtk.vtkTriangleStrip()
aTriangleStrip.GetPointIds().SetNumberOfIds(5)
aTriangleStrip.GetPointIds().SetId(0, 0)
aTriangleStrip.GetPointIds().SetId(1, 1)
aTriangleStrip.GetPointIds().SetId(2, 2)
aTriangleStrip.GetPointIds().SetId(3, 3)
aTriangleStrip.GetPointIds().SetId(4, 4)
bTriangleStrip = aTriangleStrip.NewInstance()
bTriangleStrip.DeepCopy(aTriangleStrip)
aTriangleStripGrid = vtk.vtkUnstructuredGrid()
aTriangleStripGrid.Allocate(1, 1)
aTriangleStripGrid.InsertNextCell(aTriangleStrip.GetCellType(), aTriangleStrip.GetPointIds())
aTriangleStripGrid.SetPoints(triangleStripPoints)
aTriangleStripGrid.GetPointData().SetTCoords(triangleStripTCoords)
aTriangleStripMapper = vtk.vtkDataSetMapper()
aTriangleStripMapper.SetInputData(aTriangleStripGrid)
aTriangleStripActor = vtk.vtkActor()
aTriangleStripActor.SetMapper(aTriangleStripMapper)
aTriangleStripActor.AddPosition(8, 0, 2)
aTriangleStripActor.GetProperty().BackfaceCullingOn()
# Line
linePoints = vtk.vtkPoints()
linePoints.SetNumberOfPoints(2)
linePoints.InsertPoint(0, 0, 0, 0)
linePoints.InsertPoint(1, 1, 1, 0)
aLine = vtk.vtkLine()
aLine.GetPointIds().SetId(0, 0)
aLine.GetPointIds().SetId(1, 1)
bLine = aLine.NewInstance()
bLine.DeepCopy(aLine)
aLineGrid = vtk.vtkUnstructuredGrid()
aLineGrid.Allocate(1, 1)
aLineGrid.InsertNextCell(aLine.GetCellType(), aLine.GetPointIds())
aLineGrid.SetPoints(linePoints)
aLineMapper = vtk.vtkDataSetMapper()
aLineMapper.SetInputData(aLineGrid)
aLineActor = vtk.vtkActor()
aLineActor.SetMapper(aLineMapper)
aLineActor.AddPosition(0, 0, 4)
aLineActor.GetProperty().BackfaceCullingOn()
# Poly line
polyLinePoints = vtk.vtkPoints()
polyLinePoints.SetNumberOfPoints(3)
polyLinePoints.InsertPoint(0, 0, 0, 0)
polyLinePoints.InsertPoint(1, 1, 1, 0)
polyLinePoints.InsertPoint(2, 1, 0, 0)
aPolyLine = vtk.vtkPolyLine()
aPolyLine.GetPointIds().SetNumberOfIds(3)
aPolyLine.GetPointIds().SetId(0, 0)
aPolyLine.GetPointIds().SetId(1, 1)
aPolyLine.GetPointIds().SetId(2, 2)
bPolyLine = aPolyLine.NewInstance()
bPolyLine.DeepCopy(aPolyLine)
aPolyLineGrid = vtk.vtkUnstructuredGrid()
aPolyLineGrid.Allocate(1, 1)
aPolyLineGrid.InsertNextCell(aPolyLine.GetCellType(), aPolyLine.GetPointIds())
aPolyLineGrid.SetPoints(polyLinePoints)
aPolyLineMapper = vtk.vtkDataSetMapper()
aPolyLineMapper.SetInputData(aPolyLineGrid)
aPolyLineActor = vtk.vtkActor()
aPolyLineActor.SetMapper(aPolyLineMapper)
aPolyLineActor.AddPosition(2, 0, 4)
aPolyLineActor.GetProperty().BackfaceCullingOn()
# Vertex
vertexPoints = vtk.vtkPoints()
vertexPoints.SetNumberOfPoints(1)
vertexPoints.InsertPoint(0, 0, 0, 0)
aVertex = vtk.vtkVertex()
aVertex.GetPointIds().SetId(0, 0)
bVertex = aVertex.NewInstance()
bVertex.DeepCopy(aVertex)
aVertexGrid = vtk.vtkUnstructuredGrid()
aVertexGrid.Allocate(1, 1)
aVertexGrid.InsertNextCell(aVertex.GetCellType(), aVertex.GetPointIds())
aVertexGrid.SetPoints(vertexPoints)
aVertexMapper = vtk.vtkDataSetMapper()
aVertexMapper.SetInputData(aVertexGrid)
aVertexActor = vtk.vtkActor()
aVertexActor.SetMapper(aVertexMapper)
aVertexActor.AddPosition(0, 0, 6)
aVertexActor.GetProperty().BackfaceCullingOn()
# Poly Vertex
polyVertexPoints = vtk.vtkPoints()
polyVertexPoints.SetNumberOfPoints(3)
polyVertexPoints.InsertPoint(0, 0, 0, 0)
polyVertexPoints.InsertPoint(1, 1, 0, 0)
polyVertexPoints.InsertPoint(2, 1, 1, 0)
aPolyVertex = vtk.vtkPolyVertex()
aPolyVertex.GetPointIds().SetNumberOfIds(3)
aPolyVertex.GetPointIds().SetId(0, 0)
aPolyVertex.GetPointIds().SetId(1, 1)
aPolyVertex.GetPointIds().SetId(2, 2)
bPolyVertex = aPolyVertex.NewInstance()
bPolyVertex.DeepCopy(aPolyVertex)
aPolyVertexGrid = vtk.vtkUnstructuredGrid()
aPolyVertexGrid.Allocate(1, 1)
aPolyVertexGrid.InsertNextCell(aPolyVertex.GetCellType(), aPolyVertex.GetPointIds())
aPolyVertexGrid.SetPoints(polyVertexPoints)
aPolyVertexMapper = vtk.vtkDataSetMapper()
aPolyVertexMapper.SetInputData(aPolyVertexGrid)
aPolyVertexActor = vtk.vtkActor()
aPolyVertexActor.SetMapper(aPolyVertexMapper)
aPolyVertexActor.AddPosition(2, 0, 6)
aPolyVertexActor.GetProperty().BackfaceCullingOn()
# Pentagonal prism
pentaPoints = vtk.vtkPoints()
pentaPoints.SetNumberOfPoints(10)
pentaPoints.InsertPoint(0, 0.25, 0.0, 0.0)
pentaPoints.InsertPoint(1, 0.75, 0.0, 0.0)
pentaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
pentaPoints.InsertPoint(3, 0.5, 1.0, 0.0)
pentaPoints.InsertPoint(4, 0.0, 0.5, 0.0)
pentaPoints.InsertPoint(5, 0.25, 0.0, 1.0)
pentaPoints.InsertPoint(6, 0.75, 0.0, 1.0)
pentaPoints.InsertPoint(7, 1.0, 0.5, 1.0)
pentaPoints.InsertPoint(8, 0.5, 1.0, 1.0)
pentaPoints.InsertPoint(9, 0.0, 0.5, 1.0)
aPenta = vtk.vtkPentagonalPrism()
aPenta.GetPointIds().SetId(0, 0)
aPenta.GetPointIds().SetId(1, 1)
aPenta.GetPointIds().SetId(2, 2)
aPenta.GetPointIds().SetId(3, 3)
aPenta.GetPointIds().SetId(4, 4)
aPenta.GetPointIds().SetId(5, 5)
aPenta.GetPointIds().SetId(6, 6)
aPenta.GetPointIds().SetId(7, 7)
aPenta.GetPointIds().SetId(8, 8)
aPenta.GetPointIds().SetId(9, 9)
bPenta = aPenta.NewInstance()
bPenta.DeepCopy(aPenta)
aPentaGrid = vtk.vtkUnstructuredGrid()
aPentaGrid.Allocate(1, 1)
aPentaGrid.InsertNextCell(aPenta.GetCellType(), aPenta.GetPointIds())
aPentaGrid.SetPoints(pentaPoints)
aPentaCopy = vtk.vtkUnstructuredGrid()
aPentaCopy.DeepCopy(aPentaGrid)
aPentaMapper = vtk.vtkDataSetMapper()
aPentaMapper.SetInputData(aPentaCopy)
aPentaActor = vtk.vtkActor()
aPentaActor.SetMapper(aPentaMapper)
aPentaActor.AddPosition(10, 0, 0)
aPentaActor.GetProperty().BackfaceCullingOn()
# Hexagonal prism
hexaPoints = vtk.vtkPoints()
hexaPoints.SetNumberOfPoints(12)
hexaPoints.InsertPoint(0, 0.0, 0.0, 0.0)
hexaPoints.InsertPoint(1, 0.5, 0.0, 0.0)
hexaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
hexaPoints.InsertPoint(3, 1.0, 1.0, 0.0)
hexaPoints.InsertPoint(4, 0.5, 1.0, 0.0)
hexaPoints.InsertPoint(5, 0.0, 0.5, 0.0)
hexaPoints.InsertPoint(6, 0.0, 0.0, 1.0)
hexaPoints.InsertPoint(7, 0.5, 0.0, 1.0)
hexaPoints.InsertPoint(8, 1.0, 0.5, 1.0)
hexaPoints.InsertPoint(9, 1.0, 1.0, 1.0)
hexaPoints.InsertPoint(10, 0.5, 1.0, 1.0)
hexaPoints.InsertPoint(11, 0.0, 0.5, 1.0)
aHexa = vtk.vtkHexagonalPrism()
aHexa.GetPointIds().SetId(0, 0)
aHexa.GetPointIds().SetId(1, 1)
aHexa.GetPointIds().SetId(2, 2)
aHexa.GetPointIds().SetId(3, 3)
aHexa.GetPointIds().SetId(4, 4)
aHexa.GetPointIds().SetId(5, 5)
aHexa.GetPointIds().SetId(6, 6)
aHexa.GetPointIds().SetId(7, 7)
aHexa.GetPointIds().SetId(8, 8)
aHexa.GetPointIds().SetId(9, 9)
aHexa.GetPointIds().SetId(10, 10)
aHexa.GetPointIds().SetId(11, 11)
bHexa = aHexa.NewInstance()
bHexa.DeepCopy(aHexa)
aHexaGrid = vtk.vtkUnstructuredGrid()
aHexaGrid.Allocate(1, 1)
aHexaGrid.InsertNextCell(aHexa.GetCellType(), aHexa.GetPointIds())
aHexaGrid.SetPoints(hexaPoints)
aHexaCopy = vtk.vtkUnstructuredGrid()
aHexaCopy.DeepCopy(aHexaGrid)
aHexaMapper = vtk.vtkDataSetMapper()
aHexaMapper.SetInputData(aHexaCopy)
aHexaActor = vtk.vtkActor()
aHexaActor.SetMapper(aHexaMapper)
aHexaActor.AddPosition(12, 0, 0)
aHexaActor.GetProperty().BackfaceCullingOn()
# RIB property
aRIBProperty = vtk.vtkRIBProperty()
aRIBProperty.SetVariable("Km", "float")
aRIBProperty.SetSurfaceShader("LGVeinedmarble")
aRIBProperty.SetVariable("veinfreq", "float")
aRIBProperty.AddVariable("warpfreq", "float")
aRIBProperty.AddVariable("veincolor", "color")
aRIBProperty.AddParameter("veinfreq", " 2")
aRIBProperty.AddParameter("veincolor", "1.0000 1.0000 0.9412")
bRIBProperty = vtk.vtkRIBProperty()
bRIBProperty.SetVariable("Km", "float")
bRIBProperty.SetParameter("Km", "1.0")
bRIBProperty.SetDisplacementShader("dented")
bRIBProperty.SetSurfaceShader("plastic")
aProperty = vtk.vtkProperty()
bProperty = vtk.vtkProperty()
aTriangleActor.SetProperty(aProperty)
aTriangleStripActor.SetProperty(bProperty)
ren.SetBackground(0.1, 0.2, 0.4)
ren.AddActor(aVoxelActor)
aVoxelActor.GetProperty().SetDiffuseColor(1, 0, 0)
ren.AddActor(aHexahedronActor)
aHexahedronActor.GetProperty().SetDiffuseColor(1, 1, 0)
ren.AddActor(aTetraActor)
aTetraActor.GetProperty().SetDiffuseColor(0, 1, 0)
ren.AddActor(aWedgeActor)
aWedgeActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aPyramidActor)
aPyramidActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aPixelActor)
aPixelActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aQuadActor)
aQuadActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aTriangleActor)
aTriangleActor.GetProperty().SetDiffuseColor(0.3, 1, 0.5)
ren.AddActor(aPolygonActor)
aPolygonActor.GetProperty().SetDiffuseColor(1, 0.4, 0.5)
ren.AddActor(aTriangleStripActor)
aTriangleStripActor.GetProperty().SetDiffuseColor(0.3, 0.7, 1)
ren.AddActor(aLineActor)
aLineActor.GetProperty().SetDiffuseColor(0.2, 1, 1)
ren.AddActor(aPolyLineActor)
aPolyLineActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aVertexActor)
aVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPolyVertexActor)
aPolyVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPentaActor)
aPentaActor.GetProperty().SetDiffuseColor(0.2, 0.4, 0.7)
ren.AddActor(aHexaActor)
aHexaActor.GetProperty().SetDiffuseColor(0.7, 0.5, 1)
aRIBLight = vtk.vtkRIBLight()
aRIBLight.ShadowsOn()
aLight = vtk.vtkLight()
aLight.PositionalOn()
aLight.SetConeAngle(25)
ren.AddLight(aLight)
ren.ResetCamera()
ren.GetActiveCamera().Azimuth(30)
ren.GetActiveCamera().Elevation(20)
ren.GetActiveCamera().Dolly(2.8)
ren.ResetCameraClippingRange()
aLight.SetFocalPoint(ren.GetActiveCamera().GetFocalPoint())
aLight.SetPosition(ren.GetActiveCamera().GetPosition())
# write to the temp directory if possible, otherwise use .
dir = tempfile.gettempdir()
atext = vtk.vtkTexture()
pnmReader = vtk.vtkBMPReader()
pnmReader.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
atext.SetInputConnection(pnmReader.GetOutputPort())
atext.InterpolateOff()
aTriangleActor.SetTexture(atext)
rib = vtk.vtkRIBExporter()
rib.SetInput(renWin)
rib.SetFilePrefix(dir + "/cells")
rib.SetTexturePrefix(dir + "/cells")
rib.Write()
os.remove(dir + "/cells.rib")
iv = vtk.vtkIVExporter()
iv.SetInput(renWin)
iv.SetFileName(dir + "/cells.iv")
iv.Write()
os.remove(dir + "/cells.iv")
obj = vtk.vtkOBJExporter()
obj.SetInput(renWin)
obj.SetFilePrefix(dir + "/cells")
obj.Write()
os.remove(dir + "/cells.obj")
os.remove(dir + "/cells.mtl")
vrml = vtk.vtkVRMLExporter()
vrml.SetInput(renWin)
# vrml.SetStartWrite(vrml.SetFileName(dir + "/cells.wrl"))
# vrml.SetEndWrite(vrml.SetFileName("/a/acells.wrl"))
vrml.SetFileName(dir + "/cells.wrl")
vrml.SetSpeed(5.5)
vrml.Write()
os.remove(dir + "/cells.wrl")
oogl = vtk.vtkOOGLExporter()
oogl.SetInput(renWin)
oogl.SetFileName(dir + "/cells.oogl")
oogl.Write()
os.remove(dir + "/cells.oogl")
# the UnRegister calls are because make object is the same as New,
# and causes memory leaks. (Python does not treat NewInstance the same as New).
def DeleteCopies():
bVoxel.UnRegister(None)
bHexahedron.UnRegister(None)
bTetra.UnRegister(None)
bWedge.UnRegister(None)
bPyramid.UnRegister(None)
bPixel.UnRegister(None)
bQuad.UnRegister(None)
bTriangle.UnRegister(None)
bPolygon.UnRegister(None)
bTriangleStrip.UnRegister(None)
bLine.UnRegister(None)
bPolyLine.UnRegister(None)
bVertex.UnRegister(None)
bPolyVertex.UnRegister(None)
bPenta.UnRegister(None)
bHexa.UnRegister(None)
DeleteCopies()
# render and interact with data
renWin.Render()
img_file = "cells.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def __init__(self, inputobj=None):
vtk.vtkActor.__init__(self)
BaseGrid.__init__(self)
inputtype = str(type(inputobj))
self._data = None
self._polydata = None
self.name = "UGrid"
###################
if inputobj is None:
self._data = vtk.vtkUnstructuredGrid()
elif utils.isSequence(inputobj):
pts, cells, celltypes = inputobj
self._data = vtk.vtkUnstructuredGrid()
if not utils.isSequence(cells[0]):
tets = []
nf = cells[0] + 1
for i, cl in enumerate(cells):
if i == nf or i == 0:
k = i + 1
nf = cl + k
cell = [cells[j + k] for j in range(cl)]
tets.append(cell)
cells = tets
# This would fill the points and use those to define orientation
vpts = utils.numpy2vtk(pts, dtype=float)
points = vtk.vtkPoints()
points.SetData(vpts)
self._data.SetPoints(points)
# This fill the points and use cells to define orientation
# points = vtk.vtkPoints()
# for c in cells:
# for pid in c:
# points.InsertNextPoint(pts[pid])
# self._data.SetPoints(points)
# Fill cells
# https://vtk.org/doc/nightly/html/vtkCellType_8h_source.html
for i, ct in enumerate(celltypes):
cell_conn = cells[i]
if ct == vtk.VTK_HEXAHEDRON:
cell = vtk.vtkHexahedron()
elif ct == vtk.VTK_TETRA:
cell = vtk.vtkTetra()
elif ct == vtk.VTK_VOXEL:
cell = vtk.vtkVoxel()
elif ct == vtk.VTK_WEDGE:
cell = vtk.vtkWedge()
elif ct == vtk.VTK_PYRAMID:
cell = vtk.vtkPyramid()
elif ct == vtk.VTK_HEXAGONAL_PRISM:
cell = vtk.vtkHexagonalPrism()
elif ct == vtk.VTK_PENTAGONAL_PRISM:
cell = vtk.vtkPentagonalPrism()
else:
print("UGrid: cell type", ct, "not implemented. Skip.")
continue
cpids = cell.GetPointIds()
for j, pid in enumerate(cell_conn):
cpids.SetId(j, pid)
self._data.InsertNextCell(ct, cpids)
elif "UnstructuredGrid" in inputtype:
self._data = inputobj
elif isinstance(inputobj, str):
from vedo.io import download, loadUnStructuredGrid
if "https://" in inputobj:
inputobj = download(inputobj, verbose=False)
self._data = loadUnStructuredGrid(inputobj)
self.filename = inputobj
else:
colors.printc("UGrid(): cannot understand input type:\n",
inputtype,
c='r')
return
# self._mapper = vtk.vtkDataSetMapper()
self._mapper = vtk.vtkPolyDataMapper()
self._mapper.SetInterpolateScalarsBeforeMapping(
settings.interpolateScalarsBeforeMapping)
if settings.usePolygonOffset:
self._mapper.SetResolveCoincidentTopologyToPolygonOffset()
pof, pou = settings.polygonOffsetFactor, settings.polygonOffsetUnits
self._mapper.SetResolveCoincidentTopologyPolygonOffsetParameters(
pof, pou)
self.GetProperty().SetInterpolationToFlat()
if not self._data:
return
# now fill the representation of the vtk unstr grid
sf = vtk.vtkShrinkFilter()
sf.SetInputData(self._data)
sf.SetShrinkFactor(1.0)
sf.Update()
gf = vtk.vtkGeometryFilter()
gf.SetInputData(sf.GetOutput())
gf.Update()
self._polydata = gf.GetOutput()
self._mapper.SetInputData(self._polydata)
sc = None
if self.useCells:
sc = self._polydata.GetCellData().GetScalars()
else:
sc = self._polydata.GetPointData().GetScalars()
if sc:
self._mapper.SetScalarRange(sc.GetRange())
self.SetMapper(self._mapper)
self.property = self.GetProperty()
lst = normalize([(1, 0, 0),(3, 0, 0),(4, 2, 0),(2, 4, 0),(0, 2, 0),
(1, 0, 1),(3, 0, 1),(4, 2, 1),(2, 4, 1),(0, 2, 1)])
for x,y,z in lst: points.InsertNextPoint(x+10,y,z)
cell = vtk.vtkPentagonalPrism()
for i in range(len(lst)): cell.GetPointIds().SetId(i, i+np)
UG.InsertNextCell(cell.GetCellType(), cell.GetPointIds() )
# vtkHexagonalPrism
np = points.GetNumberOfPoints()
lst = normalize([( 0, 0, 2),( 2, 0, 2),( 3, 1, 2),( 2, 2, 2),( 0, 2, 2),(-1, 1, 2),
( 0, 0, 0),( 2, 0, 0),( 3, 1, 0),( 2, 2, 0),( 0, 2, 0),(-1, 1, 0) ])
for x,y,z in lst: points.InsertNextPoint(x+12,y,z)
cell = vtk.vtkHexagonalPrism()
for i in range(len(lst)): cell.GetPointIds().SetId(i, i+np)
UG.InsertNextCell(cell.GetCellType(), cell.GetPointIds() )
# polyhedron ( VTK_POLYHEDRON )
np = points.GetNumberOfPoints()
lst = normalize([
( 1.21, 0, 1.59),
( 0.37, 1.1547, 1.59),
(-0.99, 0.71, 1.59),
(-0.99, -0.71, 1.59),
( 0.37, -1.15, 1.59),
( 1.96, 0, 0.37),
( 0.60, 1.86, 0.37),
(-1.59, 1.15, 0.37),
