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#!/usr/bin/env python
import vtk
from vtk.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
renWin = vtk.vtkRenderWindow()
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
r = vtk.vtkPlot3DMetaReader()
r.SetFileName("%s/Data/test.p3d" % VTK_DATA_ROOT)
r.UpdateInformation()
outInfo = r.GetOutputInformation(0)
l = outInfo.Length(vtk.vtkStreamingDemandDrivenPipeline.TIME_STEPS())
if l != 2:
raise "Error: wrong number of time steps: %d. Should be 2" % l
outInfo.Set(vtk.vtkStreamingDemandDrivenPipeline.UPDATE_TIME_STEP(), 3.5)
r.Update()
outInfo.Set(vtk.vtkStreamingDemandDrivenPipeline.UPDATE_TIME_STEP(), 4.5)
r.Update()
output = r.GetOutput().GetBlock(0)
plane = vtk.vtkStructuredGridGeometryFilter()
plane.SetInputData(output)
plane.SetExtent(25,25,0,100,0,100)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(plane.GetOutputPort())
mapper.SetScalarRange(output.GetPointData().GetScalars().GetRange())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
ren = vtk.vtkRenderer()
camera = vtk.vtkCamera()
ren.SetActiveCamera(camera)
renWin.AddRenderer(ren)
ren.AddActor(actor)
camera.SetViewUp(0,1,0)
camera.SetFocalPoint(0,0,0)
camera.SetPosition(1,0,0)
ren.ResetCamera()
camera.Dolly(1.25)
ren.ResetCameraClippingRange()
renWin.SetSize(400,300)
renWin.Render()
iren.Initialize()
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