PointSize
vtk-examples/Python/Visualization/PointSize
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Code¶
PointSize.py
import vtk
def main():
colors = vtk.vtkNamedColors()
# create a rendering window and renderer
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetWindowName('PointSize')
# create a renderwindowinteractor
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# create source
src = vtk.vtkPointSource()
src.SetCenter(0, 0, 0)
src.SetNumberOfPoints(10)
src.SetRadius(5)
src.Update()
# mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(src.GetOutputPort())
# actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(colors.GetColor3d('Yellow'))
actor.GetProperty().SetPointSize(5)
# assign actor to the renderer
ren.AddActor(actor)
ren.SetBackground(colors.GetColor3d('RoyalBLue'))
# enable user interface interactor
iren.Initialize()
renWin.Render()
iren.Start()
if __name__ == '__main__':
main()