VertexGlyphFilter
vtk-examples/Python/Filtering/VertexGlyphFilter
Description¶
This example creates a set of points and adds a vertex at each point using vtkVertexGlyphFilter.
Question
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Code¶
VertexGlyphFilter.py
#!/usr/bin/env python
import vtk
def main():
colors = vtk.vtkNamedColors()
points = vtk.vtkPoints()
points.InsertNextPoint(0, 0, 0)
points.InsertNextPoint(1, 1, 1)
points.InsertNextPoint(2, 2, 2)
polydata = vtk.vtkPolyData()
polydata.SetPoints(points)
vertexGlyphFilter = vtk.vtkVertexGlyphFilter()
vertexGlyphFilter.AddInputData(polydata)
vertexGlyphFilter.Update()
# Create a mapper and actor
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(vertexGlyphFilter.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetPointSize(10)
actor.GetProperty().SetColor(colors.GetColor3d('Yellow'))
# Create a renderer, render window, and interactor
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
# Add the actor to the scene
renderer.AddActor(actor)
renderer.SetBackground(colors.GetColor3d('Green'))
# Render and interact
renderWindow.SetWindowName('VertexGlyphFilter')
renderWindow.Render()
renderWindowInteractor.Start()
if __name__ == '__main__':
main()