Camera
vtk-examples/Python/Visualization/Camera
Question
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Code¶
Camera.py
import vtk
def main():
colors = vtk.vtkNamedColors()
# Create a sphere
sphereSource = vtk.vtkSphereSource()
sphereSource.SetCenter(0.0, 0.0, 0.0)
sphereSource.SetRadius(10)
sphereSource.SetPhiResolution(30)
sphereSource.SetThetaResolution(30)
sphereSource.Update()
# Create a mapper and actor
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(sphereSource.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetSpecular(0.6)
actor.GetProperty().SetSpecularPower(30)
actor.GetProperty().SetColor(colors.GetColor3d('LightSkyBlue'))
camera = vtk.vtkCamera()
camera.SetPosition(0, 0, 100)
camera.SetFocalPoint(0, 0, 0)
# Create a renderer, render window, and interactor
renderer = vtk.vtkRenderer()
renderer.SetActiveCamera(camera)
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindow.SetWindowName('Camera')
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
# Add the actor to the scene
renderer.AddActor(actor)
renderer.SetBackground(colors.GetColor3d('MistyRose'))
# Render and interact
renderWindowInteractor.Initialize()
renderWindow.Render()
renderWindowInteractor.Start()
if __name__ == '__main__':
main()