VisualizeRectilinearGrid
vtk-examples/Python/RectilinearGrid/VisualizeRectilinearGrid
Question
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Code¶
VisualizeRectilinearGrid.py
#!/usr/bin/env python
import vtk
def main():
colors = vtk.vtkNamedColors()
# Create a grid
grid = vtk.vtkRectilinearGrid()
grid.SetDimensions(2, 3, 2)
xArray = vtk.vtkDoubleArray()
xArray.InsertNextValue(0.0)
xArray.InsertNextValue(2.0)
yArray = vtk.vtkDoubleArray()
yArray.InsertNextValue(0.0)
yArray.InsertNextValue(1.0)
yArray.InsertNextValue(2.0)
zArray = vtk.vtkDoubleArray()
zArray.InsertNextValue(0.0)
zArray.InsertNextValue(5.0)
grid.SetXCoordinates(xArray)
grid.SetYCoordinates(yArray)
grid.SetZCoordinates(zArray)
shrinkFilter = vtk.vtkShrinkFilter()
shrinkFilter.SetInputData(grid)
shrinkFilter.SetShrinkFactor(.8)
# Create a mapper and actor
mapper = vtk.vtkDataSetMapper()
mapper.SetInputConnection(shrinkFilter.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(colors.GetColor3d('PeachPuff'))
# Visualize
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindow.SetWindowName('VisualizeRectilinearGrid')
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderer.AddActor(actor)
renderer.SetBackground(colors.GetColor3d('SlateGray'))
renderer.GetActiveCamera().Roll(10.0)
renderer.GetActiveCamera().Elevation(60.0)
renderer.GetActiveCamera().Azimuth(30.0)
renderer.ResetCamera()
renderWindow.Render()
renderWindowInteractor.Start()
if __name__ == '__main__':
main()