def GetRenderWindow(self):
""" GetRenderWindow() -> vtkRenderWindow
Return the associated vtkRenderWindow
"""
if not self.mRenWin:
win = vtksnl.vtkRenderWindow()
win.DoubleBufferOn()
self.SetRenderWindow(win)
del win
return self.mRenWin
def GetRenderWindow(self):
""" GetRenderWindow() -> vtkRenderWindow
Return the associated vtkRenderWindow
"""
if not self.mRenWin:
win = vtksnl.vtkRenderWindow()
win.DoubleBufferOn()
self.SetRenderWindow(win)
del win
return self.mRenWin
def compute(self):
r = self.getInputFromPort("renderer").vtkInstance
window = vtksnl.vtkRenderWindow()
w = self.forceGetInputFromPort("width", 512)
h = self.forceGetInputFromPort("height", 512)
window.OffScreenRenderingOn()
window.SetSize(w, h)
# r.ResetCamera()
window.AddRenderer(r)
window.Start()
window.Render()
win2image = vtksnl.vtkWindowToImageFilter()
win2image.SetInput(window)
win2image.Update()
writer = vtksnl.vtkPNGWriter()
writer.SetInput(win2image.GetOutput())
output = self.interpreter.filePool.create_file(suffix='.png')
writer.SetFileName(output.name)
writer.Write()
window.Finalize()
self.setResult("image", output)
def compute(self):
r = self.get_input("renderer").vtkInstance
window = vtksnl.vtkRenderWindow()
w = self.force_get_input("width", 512)
h = self.force_get_input("height", 512)
window.OffScreenRenderingOn()
window.SetSize(w, h)
# r.ResetCamera()
window.AddRenderer(r)
window.Start()
window.Render()
win2image = vtksnl.vtkWindowToImageFilter()
win2image.SetInput(window)
win2image.Update()
writer = vtksnl.vtkPNGWriter()
writer.SetInput(win2image.GetOutput())
output = self.interpreter.filePool.create_file(suffix='.png')
writer.SetFileName(output.name)
writer.Write()
window.Finalize()
self.set_output("image", output)
