dataRange = shrink.GetOutput().GetCellData().GetArray('scalar').GetRange()
print('DataRange (after shrink): ', dataRange)
mapper.SetLookupTable(lut)
mapper.SetColorModeToMapScalars()
mapper.SetScalarModeToUseCellFieldData()
mapper.SelectColorArray('scalar')
mapper.SetScalarRange(dataRange[0], dataRange[1])
# Actors
actor = svtk.svtkActor()
actor.SetMapper(mapper)
# Camera
bd = htg.GetBounds()
camera = svtk.svtkCamera()
camera.SetClippingRange(1., 100.)
focal = []
for i in range(3):
focal.append(bd[ 2 * i ] + (bd[ 2 * i + 1 ] - bd[ 2 * i]) / 2.)
camera.SetFocalPoint(focal)
camera.SetPosition(focal[0], focal[1], focal[2] + 4.)
# Renderer
renderer = svtk.svtkRenderer()
renderer.SetActiveCamera(camera)
renderer.AddActor(actor)
# Render window
renWin = svtk.svtkRenderWindow()
renWin.AddRenderer(renderer)
ren1 = svtk.svtkRenderer() renWin = svtk.svtkRenderWindow() renWin.AddRenderer(ren1) iren = svtk.svtkRenderWindowInteractor() iren.SetRenderWindow(renWin) # Add the actors to the renderer, set the background and size # ren1.AddActor(a) ren1.AddActor(clipActor) ren1.AddActor(contourActor) ren1.SetBackground(1, 1, 1) renWin.SetSize(250, 150) aCam = svtk.svtkCamera() aCam.SetFocalPoint(1.38705, 1.37031, 0.639901) aCam.SetPosition(1.89458, -5.07106, -4.17439) aCam.SetViewUp(0.00355726, 0.598843, -0.800858) aCam.SetClippingRange(4.82121, 12.1805) ren1.SetActiveCamera(aCam) renWin.Render() cam1 = ren1.GetActiveCamera() cam1.Zoom(1.5) # render the image # renWin.Render()