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()
def write_bucket_to_polydata(bucket): """ Output the points of a bucket to a vtkPoints object. """ poly_data = vtk.vtkPolyData() pnts = vtk.vtkPoints() pnts.Allocate(0) poly_data.SetPoints(pnts) poly_data.Allocate(bucket.pos.shape[0]) for positions, in bucket.pos : pixel = vtk.vtkPixel() pixel.GetPointIds().InsertId(0, poly_data.GetPoints().InsertNextPoint(*positions)) poly_data.InsertNextCell(pixel.GetCellType(), pixel.GetPointIds())
def ascii_to_polydata_time_series(filename, basename): """Convert ascii file to a series of vtkPolyData (.vtp) files. Each file contains one time level of the data, and are numbered sequentially. Within each file, each dataset is written to seperate pixel. Args: filename (str): Filename/path of the ascii file containing the data. basename (str): String used in the construction of the file series. The formula is of the form basename_0.vtp, basename_1.vtp,...""" ascii_data = get_ascii_data(filename) time = ascii_data[0] for i, full_data in enumerate(zip(ascii_data[1], ascii_data[2], ascii_data[3], ascii_data[4], ascii_data[5], ascii_data[6])): poly_data = vtk.vtkPolyData() pnts = vtk.vtkPoints() pnts.Allocate(0) poly_data.SetPoints(pnts) poly_data.Allocate(ascii_data[1].shape[0]) outtime = vtk.vtkDoubleArray() outtime.Allocate(ascii_data[1].shape[0]) outtime.SetName('Time') velocity = vtk.vtkDoubleArray() velocity.SetNumberOfComponents(3) velocity.Allocate(ascii_data[1].shape[0]) velocity.SetName('Particle Velocity') for data in numpy.array(full_data).T: pixel = vtk.vtkPixel() pixel.GetPointIds().InsertId(0, poly_data.GetPoints().InsertNextPoint(data[0], data[1], data[2])) outtime.InsertNextValue(time[i]) velocity.InsertNextTuple3(data[3], data[4], data[5]) poly_data.InsertNextCell(pixel.GetCellType(), pixel.GetPointIds()) poly_data.GetPointData().AddArray(outtime) poly_data.GetPointData().AddArray(velocity) write_to_file(poly_data, "%s_%d.vtp"%(basename, i))
def MakePixel(): # A pixel is a cell that represents a pixel pixel = vtk.vtkPixel() pixel.GetPoints().SetPoint(0, 0, 0, 0) pixel.GetPoints().SetPoint(1, 1, 0, 0) pixel.GetPoints().SetPoint(2, 0, 1, 0) pixel.GetPoints().SetPoint(3, 1, 1, 0) pixel.GetPointIds().SetId(0, 0) pixel.GetPointIds().SetId(1, 1) pixel.GetPointIds().SetId(2, 2) pixel.GetPointIds().SetId(3, 3) ug = vtk.vtkUnstructuredGrid() ug.SetPoints(pixel.GetPoints()) ug.InsertNextCell(pixel.GetCellType(), pixel.GetPointIds()) return ug
def collision_list_to_polydata(col_list, outfile, model=Collision.mclaury_mass_coeff, **kwargs): """Convert collision data to a single vtkPolyData (.vtp) files. Each particle is written to seperate cell. Args: filename (str): Filename/path of the ascii file containing the data. outfile (str): Filename of the output PolyDataFile. The extension .vtp is NOT added automatically.""" poly_data = vtk.vtkPolyData() pnts = vtk.vtkPoints() pnts.Allocate(0) poly_data.SetPoints(pnts) poly_data.Allocate(len(col_list)) time = vtk.vtkDoubleArray() time.SetName('Time') wear = vtk.vtkDoubleArray() wear.SetName('Wear') normal = vtk.vtkDoubleArray() normal.SetNumberOfComponents(3) normal.SetName('Normal') for col in col_list: pixel = vtk.vtkPixel() pixel.GetPointIds().InsertId(0, poly_data.GetPoints().InsertNextPoint(col.pos[0], col.pos[1], col.pos[2])) time.InsertNextValue(col.time) wear.InsertNextValue(model(col, **kwargs)) normal.InsertNextTuple3(*col.normal) poly_data.InsertNextCell(pixel.GetCellType(), pixel.GetPointIds()) poly_data.GetPointData().AddArray(time) poly_data.GetPointData().AddArray(wear) poly_data.GetPointData().AddArray(normal) write_to_file(poly_data, outfile)
def make_trigangle(point_list, triangle_list): # ug is the container to store the grid object ug = vtk.vtkUnstructuredGrid() points = vtk.vtkPoints() triangles = vtk.vtkTriangle() # 3-point elements pixel = vtk.vtkPixel() # 4-point elements # add points for i in range(len(point_list)): points.InsertNextPoint(point_list[i]) ug.SetPoints(points) # add elements for j in range(len(triangle_list)): if len(triangle_list[j]) == 3: # add 3-point elements for i in range(3): triangles.GetPointIds().SetId(i, triangle_list[j][i]) ug.InsertNextCell(triangles.GetCellType(), triangles.GetPointIds()) elif len(triangle_list[j]) == 4: # add 4-point elements for i in range(4): pixel.GetPointIds().SetId(i, triangle_list[j][i]) ug.InsertNextCell(pixel.GetCellType(), pixel.GetPointIds()) return ug
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) pixelScalars = vtk.vtkFloatArray() pixelScalars.SetNumberOfTuples(4) pixelScalars.InsertValue(0, 1) pixelScalars.InsertValue(1, 0) pixelScalars.InsertValue(2, 0) pixelScalars.InsertValue(3, 0) aPixel = vtk.vtkPixel() aPixel.GetPointIds().SetId(0, 0) aPixel.GetPointIds().SetId(1, 1) aPixel.GetPointIds().SetId(2, 2) aPixel.GetPointIds().SetId(3, 3) aPixelGrid = vtk.vtkUnstructuredGrid() aPixelGrid.Allocate(1, 1) aPixelGrid.InsertNextCell(aPixel.GetCellType(), aPixel.GetPointIds()) aPixelGrid.SetPoints(pixelPoints) aPixelGrid.GetPointData().SetScalars(pixelScalars) pixelContours = vtk.vtkContourFilter() pixelContours.SetInputData(aPixelGrid) pixelContours.SetValue(0, .5)
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()
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) 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
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 write_level_to_polydata(bucket, level, basename=None, do_average=False, **kwargs): """Output a time level of a particle bucket to a vtkPolyData (.vtp) files. Each file contains one time level of the data, and are numbered sequentially. Within each file, each particle is written to seperate pixel. Args: bucket (ParticleBucket): level (int): basename (str): String used in the construction of the file series. The formula is of the form basename_0.vtp, basename_1.vtp,...""" del kwargs poly_data = vtk.vtkPolyData() pnts = vtk.vtkPoints() pnts.Allocate(0) poly_data.SetPoints(pnts) poly_data.Allocate(bucket.pos.shape[0]) outtime = vtk.vtkDoubleArray() outtime.SetName('Time') outtime.Allocate(bucket.pos.shape[0]) particle_id = vtk.vtkDoubleArray() particle_id.SetName('ParticleID') particle_id.Allocate(bucket.pos.shape[0]) for par in enumerate(bucket.particles): particle_id.InsertNextValue(par[1].id()) velocity = vtk.vtkDoubleArray() velocity.SetNumberOfComponents(3) velocity.Allocate(bucket.pos.shape[0]) velocity.SetName('Particle Velocity') for positions, vel in zip(bucket.pos, bucket.vel): pixel = vtk.vtkPixel() pixel.GetPointIds().InsertId(0, poly_data.GetPoints().InsertNextPoint(positions[0], positions[1], positions[2])) outtime.InsertNextValue(bucket.time) velocity.InsertNextTuple3(vel[0], vel[1], vel[2]) poly_data.InsertNextCell(pixel.GetCellType(), pixel.GetPointIds()) poly_data.GetPointData().AddArray(outtime) poly_data.GetPointData().AddArray(velocity) poly_data.GetPointData().AddArray(particle_id) if do_average: gsp=calculate_averaged_properties_cpp(poly_data) if Parallel.is_parallel(): file_ext='pvtp' else: file_ext='vtp' write_to_file(poly_data, "%s_%d.%s"%(basename, level,file_ext)) if do_average: return gsp