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Example of turning a vtk example into a script
import vtk
# MODULE 61 org.vistrails.vistrails.vtk:vtkCellArray
vtk_cell_array = vtk.vtkCellArray()
vtk_cell_array.vtkInstance = vtk_cell_array
vtk_cell_array.InsertNextCell(12)
vtk_cell_array.InsertCellPoint(0)
vtk_cell_array.InsertCellPoint(1)
vtk_cell_array.InsertCellPoint(2)
vtk_cell_array.InsertCellPoint(3)
vtk_cell_array.InsertCellPoint(4)
vtk_cell_array.InsertCellPoint(5)
vtk_cell_array.InsertCellPoint(6)
vtk_cell_array.InsertCellPoint(7)
vtk_cell_array.InsertCellPoint(8)
vtk_cell_array.InsertCellPoint(9)
vtk_cell_array.InsertCellPoint(10)
vtk_cell_array.InsertCellPoint(11)
vtk_cell_array.InsertNextCell(28)
vtk_cell_array.InsertCellPoint(39)
vtk_cell_array.InsertCellPoint(38)
vtk_cell_array.InsertCellPoint(37)
vtk_cell_array.InsertCellPoint(36)
vtk_cell_array.InsertCellPoint(35)
vtk_cell_array.InsertCellPoint(34)
vtk_cell_array.InsertCellPoint(33)
vtk_cell_array.InsertCellPoint(32)
vtk_cell_array.InsertCellPoint(31)
vtk_cell_array.InsertCellPoint(30)
vtk_cell_array.InsertCellPoint(29)
vtk_cell_array.InsertCellPoint(28)
vtk_cell_array.InsertCellPoint(27)
vtk_cell_array.InsertCellPoint(26)
vtk_cell_array.InsertCellPoint(25)
vtk_cell_array.InsertCellPoint(24)
vtk_cell_array.InsertCellPoint(23)
vtk_cell_array.InsertCellPoint(22)
vtk_cell_array.InsertCellPoint(21)
vtk_cell_array.InsertCellPoint(20)
vtk_cell_array.InsertCellPoint(19)
vtk_cell_array.InsertCellPoint(18)
vtk_cell_array.InsertCellPoint(17)
vtk_cell_array.InsertCellPoint(16)
vtk_cell_array.InsertCellPoint(15)
vtk_cell_array.InsertCellPoint(14)
vtk_cell_array.InsertCellPoint(13)
vtk_cell_array.InsertCellPoint(12)
# MODULE 51 org.vistrails.vistrails.vtk:vtkProperty
vtk_property = vtk.vtkProperty()
vtk_property.vtkInstance = vtk_property
vtk_property.SetSpecular(0.3)
vtk_property.SetColor((0.2, 0.63, 0.79))
vtk_property.SetSpecularColor((1.0, 1.0, 1.0))
vtk_property.SetSpecularPower(20.0)
vtk_property.SetAmbient(0.2)
vtk_property.SetDiffuse(0.8)
# MODULE 106 org.vistrails.vistrails.vtk:vtkPoints
vtk_points = vtk.vtkPoints()
vtk_points.vtkInstance = vtk_points
vtk_points.InsertPoint(0, 1.0, 4.0, 0.0)
vtk_points.InsertPoint(1, 3.0, 4.0, 0.0)
vtk_points.InsertPoint(2, 7.0, 4.0, 0.0)
vtk_points.InsertPoint(3, 11.0, 4.0, 0.0)
vtk_points.InsertPoint(4, 13.0, 4.0, 0.0)
vtk_points.InsertPoint(5, 13.0, 8.0, 0.0)
vtk_points.InsertPoint(6, 13.0, 12.0, 0.0)
vtk_points.InsertPoint(7, 10.0, 12.0, 0.0)
vtk_points.InsertPoint(8, 7.0, 12.0, 0.0)
vtk_points.InsertPoint(9, 4.0, 12.0, 0.0)
vtk_points.InsertPoint(10, 1.0, 12.0, 0.0)
vtk_points.InsertPoint(11, 1.0, 8.0, 0.0)
vtk_points.InsertPoint(12, 3.5, 5.0, 0.0)
vtk_points.InsertPoint(13, 4.5, 5.0, 0.0)
vtk_points.InsertPoint(14, 5.5, 8.0, 0.0)
vtk_points.InsertPoint(15, 6.5, 8.0, 0.0)
vtk_points.InsertPoint(16, 6.5, 5.0, 0.0)
vtk_points.InsertPoint(17, 7.5, 5.0, 0.0)
vtk_points.InsertPoint(18, 7.5, 8.0, 0.0)
vtk_points.InsertPoint(19, 9.0, 8.0, 0.0)
vtk_points.InsertPoint(20, 9.0, 5.0, 0.0)
vtk_points.InsertPoint(21, 10.0, 5.0, 0.0)
vtk_points.InsertPoint(22, 10.0, 7.0, 0.0)
vtk_points.InsertPoint(23, 11.0, 5.0, 0.0)
vtk_points.InsertPoint(24, 12.0, 5.0, 0.0)
vtk_points.InsertPoint(25, 10.5, 8.0, 0.0)
vtk_points.InsertPoint(26, 12.0, 11.0, 0.0)
vtk_points.InsertPoint(27, 11.0, 11.0, 0.0)
vtk_points.InsertPoint(28, 10.0, 9.0, 0.0)
vtk_points.InsertPoint(29, 10.0, 11.0, 0.0)
vtk_points.InsertPoint(30, 9.0, 11.0, 0.0)
vtk_points.InsertPoint(31, 9.0, 9.0, 0.0)
vtk_points.InsertPoint(32, 7.5, 9.0, 0.0)
vtk_points.InsertPoint(33, 7.5, 11.0, 0.0)
vtk_points.InsertPoint(34, 6.5, 11.0, 0.0)
vtk_points.InsertPoint(35, 6.5, 9.0, 0.0)
vtk_points.InsertPoint(36, 5.0, 9.0, 0.0)
vtk_points.InsertPoint(37, 4.0, 6.0, 0.0)
vtk_points.InsertPoint(38, 3.0, 9.0, 0.0)
vtk_points.InsertPoint(39, 2.0, 9.0, 0.0)
# MODULE 56 org.vistrails.vistrails.vtk:vtkPolyData
# CONNECTION Polys vtk_cell_array
# CONNECTION Points vtk_points
points = [vtk_points]
polys = [vtk_cell_array]
vtk_poly_data = vtk.vtkPolyData()
vtk_poly_data.vtkInstance = vtk_poly_data
for polys_item in polys:
vtk_poly_data.SetPolys(polys_item)
for points_item in points:
vtk_poly_data.SetPoints(points_item)
# MODULE 76 org.vistrails.vistrails.vtk:vtkDelaunay2D
# CONNECTION InputData_1 vtk_poly_data
# CONNECTION SourceData vtk_poly_data
input_data_1 = [vtk_poly_data]
source_data = [vtk_poly_data]
vtk_delaunay2_d = vtk.vtkDelaunay2D()
vtk_delaunay2_d.vtkInstance = vtk_delaunay2_d
for input_data_1_item in input_data_1:
vtk_delaunay2_d.SetInputData(input_data_1_item)
for source_data_item in source_data:
vtk_delaunay2_d.SetSourceData(source_data_item)
vtk_delaunay2_d.Update()
get_output_port0 = vtk_delaunay2_d.GetOutputPort()
# MODULE 111 org.vistrails.vistrails.vtk:vtkExtractEdges
# CONNECTION SetInputConnection0 get_output_port0
vtk_extract_edges = vtk.vtkExtractEdges()
vtk_extract_edges.vtkInstance = vtk_extract_edges
vtk_extract_edges.SetInputConnection(0, get_output_port0)
vtk_extract_edges.Update()
get_output_port0_2 = vtk_extract_edges.GetOutputPort()
# MODULE 101 org.vistrails.vistrails.vtk:vtkTubeFilter
# CONNECTION SetInputConnection0 get_output_port0_2
vtk_tube_filter = vtk.vtkTubeFilter()
vtk_tube_filter.vtkInstance = vtk_tube_filter
vtk_tube_filter.SetRadius(0.1)
vtk_tube_filter.SetNumberOfSides(6)
vtk_tube_filter.SetInputConnection(0, get_output_port0_2)
vtk_tube_filter.Update()
get_output_port0_3 = vtk_tube_filter.GetOutputPort()
# MODULE 86 org.vistrails.vistrails.vtk:vtkPolyDataMapper
# CONNECTION SetInputConnection0 get_output_port0_3
vtk_poly_data_mapper = vtk.vtkPolyDataMapper()
vtk_poly_data_mapper.vtkInstance = vtk_poly_data_mapper
vtk_poly_data_mapper.SetInputConnection(0, get_output_port0_3)
vtk_poly_data_mapper.Update()
# MODULE 96 org.vistrails.vistrails.vtk:vtkPolyDataMapper
# CONNECTION SetInputConnection0 get_output_port0
vtk_poly_data_mapper_2 = vtk.vtkPolyDataMapper()
vtk_poly_data_mapper_2.vtkInstance = vtk_poly_data_mapper_2
vtk_poly_data_mapper_2.SetInputConnection(0, get_output_port0)
vtk_poly_data_mapper_2.Update()
# MODULE 81 org.vistrails.vistrails.vtk:vtkActor
# CONNECTION Mapper vtk_poly_data_mapper_2
mapper = [vtk_poly_data_mapper_2]
vtk_actor = vtk.vtkActor()
vtk_actor.vtkInstance = vtk_actor
for mapper_item in mapper:
vtk_actor.SetMapper(mapper_item)
# MODULE 71 org.vistrails.vistrails.vtk:vtkActor
# CONNECTION Property vtk_property
# CONNECTION Mapper vtk_poly_data_mapper
mapper_2 = [vtk_poly_data_mapper]
property_1 = [vtk_property]
vtk_actor_2 = vtk.vtkActor()
vtk_actor_2.vtkInstance = vtk_actor_2
for mapper_item in mapper_2:
vtk_actor_2.SetMapper(mapper_item)
for property_1_item in property_1:
vtk_actor_2.SetProperty(property_1_item)
# MODULE 66 org.vistrails.vistrails.vtk:vtkCamera
vtk_camera = vtk.vtkCamera()
vtk_camera.vtkInstance = vtk_camera
vtk_camera.Zoom(2.0)
# MODULE 91 org.vistrails.vistrails.vtk:vtkRenderer
# CONNECTION ActiveCamera vtk_camera
# CONNECTION AddActor vtk_actor_2
# CONNECTION AddActor vtk_actor
active_camera = [vtk_camera]
add_actor = [vtk_actor_2] + [vtk_actor]
vtk_renderer = vtk.vtkRenderer()
vtk_renderer.vtkInstance = vtk_renderer
for add_actor_item in add_actor:
vtk_renderer.AddActor(add_actor_item)
for active_camera_item in active_camera:
vtk_renderer.SetActiveCamera(active_camera_item)
vtk_renderer.SetBackground((0.0, 0.0, 0.0))
vtk_renderer.ResetCamera()
# MODULE 46 org.vistrails.vistrails.vtk:VTKCell
# CONNECTION AddRenderer vtk_renderer
AddRenderer = [vtk_renderer]
renWin = vtk.vtkRenderWindow()
for renderer_item in AddRenderer:
renWin.AddRenderer(renderer_item)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
renWin.SetSize(1024, 768)
iren.Initialize()
renWin.Render()
iren.Start()
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