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#!/usr/bin/env python
############################################################
from vtk import *
############################################################
# Create pole for camera aim and polar axes pole
pole = [1., 12., 3.]
# Create camera
camera = vtkCamera()
camera.SetClippingRange(1.0, 100.0)
camera.SetFocalPoint(pole)
camera.SetPosition(10., 10., 13.)
# Create cylinder
cylinder = vtkCylinderSource()
cylinder.SetRadius(6.)
cylinder.SetCenter(1., 2., 3.)
cylinder.SetHeight(15)
cylinder.SetResolution(32)
cylinder.Update()
# Create mappers for surface and wireframe representations
mapperS = vtkPolyDataMapper()
mapperS.SetInputConnection(cylinder.GetOutputPort())
mapperS.SetResolveCoincidentTopologyPolygonOffsetParameters(0, 1)
mapperS.SetResolveCoincidentTopologyToPolygonOffset()
mapperW = vtkPolyDataMapper()
mapperW.SetInputConnection(cylinder.GetOutputPort())
mapperW.SetResolveCoincidentTopologyPolygonOffsetParameters(1, 1)
mapperW.SetResolveCoincidentTopologyToPolygonOffset()
# Create actor for surface representation
surfactor = vtkActor()
surfactor.SetMapper(mapperS)
surfactor.GetProperty().SetColor(.89, .66, .41)
surfactor.SetOrigin(pole)
surfactor.RotateX(90.)
# Create actor for wireframe representation
wireactor = vtkActor()
wireactor.SetMapper(mapperW)
wireactor.GetProperty().SetColor(.1, .1, .1)
wireactor.GetProperty().SetRepresentationToWireframe()
wireactor.SetOrigin(pole)
wireactor.RotateX(90.)
# Create renderer
renderer = vtkRenderer()
renderer.SetActiveCamera(camera)
renderer.GradientBackgroundOn()
renderer.SetBackground(.2, .2, .2)
renderer.SetBackground2(.8, .8, .8)
# Create polar axes
polaxes = vtkPolarAxesActor()
polaxes.SetPole(pole)
polaxes.SetAutoScaleRadius(0)
polaxes.SetMaximumRadius(4.5)
polaxes.SetMinimumAngle(-60.)
polaxes.SetMaximumAngle(210.)
polaxes.SetNumberOfRadialAxes(10)
polaxes.AutoSubdividePolarAxisOff()
polaxes.SetNumberOfPolarAxisTicks(5)
polaxes.SetCamera(renderer.GetActiveCamera())
polaxes.SetPolarLabelFormat("%6.1f")
polaxes.GetRadialAxesProperty().SetColor(0., 0., 1.)
polaxes.GetPolarArcsProperty().SetColor(1., 0., 0.)
polaxes.GetPolarAxisProperty().SetColor(0., 0, 0.)
polaxes.GetPolarAxisTitleTextProperty().SetColor(0., 0., 0.)
polaxes.GetPolarAxisLabelTextProperty().SetColor(0., 0., 0.)
polaxes.SetEnableDistanceLOD(1)
polaxes.SetDistanceLODThreshold(.6)
polaxes.SetEnableViewAngleLOD(1)
polaxes.SetViewAngleLODThreshold(.4)
polaxes.SetScreenSize(8.)
# Create render window
window = vtkRenderWindow()
renderer.AddViewProp(surfactor)
renderer.AddViewProp(wireactor)
renderer.AddViewProp(polaxes)
window.AddRenderer(renderer)
window.SetSize(500, 500)
# Create interactor
interactor = vtkRenderWindowInteractor()
interactor.SetRenderWindow(window)
# Start interaction
window.Render()
polaxes.SetMinimumAngle(40.)
polaxes.SetMaximumAngle(220.)
polaxes.SetNumberOfRadialAxes(10)
polaxes.SetNumberOfPolarAxisTicks(10)
interactor.Start()
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