Actor2D
vtk-examples/Python/Images/Actor2D
Question
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Code¶
Actor2D.py
#!/usr/bin/env python
import vtk
def main():
colors = vtk.vtkNamedColors()
points = vtk.vtkPoints()
points.InsertNextPoint(10, 10, 0)
points.InsertNextPoint(100, 100, 0)
points.InsertNextPoint(200, 200, 0)
polydata = vtk.vtkPolyData()
polydata.SetPoints(points)
glyphFilter = vtk.vtkVertexGlyphFilter()
glyphFilter.SetInputData(polydata)
glyphFilter.Update()
mapper = vtk.vtkPolyDataMapper2D()
mapper.SetInputConnection(glyphFilter.GetOutputPort())
mapper.Update()
actor = vtk.vtkActor2D()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(colors.GetColor3d('Gold'))
actor.GetProperty().SetPointSize(8)
# 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)
renderWindow.SetSize(300, 300)
renderer.SetBackground(colors.GetColor3d('DarkSlateGray'))
renderWindow.SetWindowName('Actor2D')
# Render and interact
renderWindow.Render()
# w2if = vtk.vtkWindowToImageFilter()
# w2if.SetInput(renderWindow)
# w2if.Update()
#
# writer = vtk.vtkPNGWriter()
# writer.SetFileName('TestActor2D.png')
# writer.SetInputConnection(w2if.GetOutputPort())
# writer.Write()
renderWindowInteractor.Start()
if __name__ == '__main__':
main()