VTK/Examples/Python/Visualization/SphereTexture

#!/usr/bin/env python
 
##
# This example shows how to apply an vtkImageData texture to an sphere vtkPolyData object.
# Note: Input jpg file can be located in the VTKData repository.
#
# @author JBallesteros
##
 
import vtk
 
input="masonry-wide.jpg"
 
# Create a render window
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(480,480)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
 
# Generate an sphere polydata
sphere = vtk.vtkSphereSource()
sphere.SetThetaResolution(12)
sphere.SetPhiResolution(12)
 
mesh = sphere.GetOutput()
 
# Read the image data from a file
reader = vtk.vtkJPEGReader()
reader.SetFileName(input)
 
# Create texture object
texture = vtk.vtkTexture()
texture.SetInput(reader.GetOutput())
 
# Map texture coordinates
map = vtk.vtkTextureMapToSphere()
map.SetInput(mesh)
map.PreventSeamOn()
 
# Create mapper and set the mapped texture as input
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(map.GetOutput())
 
# Create actor and set the mapper and the texture
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.SetTexture(texture)
 
ren.AddActor(actor)
 
iren.Initialize()
 
renWin.Render()
 
iren.Start()