def startVideo(self):
self.win2img = vtk.vtkWindowToImageFilter()
self.win2img.SetInput(self.win)
self.videoWriter = vtk.vtkFFMPEGWriter()
self.videoWriter.SetFileName('/home/zxie/Desktop/blockworld.avi')
self.videoWriter.SetInputConnection(self.win2img.GetOutputPort())
self.videoWriter.SetRate(10) # 10 fps
self.videoWriter.SetQuality(2) # Highest
self.videoWriter.SetBitRate(1000) # kilobits/s
self.videoWriter.SetBitRateTolerance(1000)
self.videoWriter.Start()
def startVideo(self):
self.win2img = vtk.vtkWindowToImageFilter()
self.win2img.SetInput(self.win)
self.videoWriter = vtk.vtkFFMPEGWriter()
self.videoWriter.SetFileName('/home/zxie/Desktop/blockworld.avi')
self.videoWriter.SetInputConnection(self.win2img.GetOutputPort())
self.videoWriter.SetRate(10) # 10 fps
self.videoWriter.SetQuality(2) # Highest
self.videoWriter.SetBitRate(1000) # kilobits/s
self.videoWriter.SetBitRateTolerance(1000)
self.videoWriter.Start()
def display(self, animate=True, movie=False, filename=None):
print 'TraubDataVis.display::Start: animate: %d, movie: %d, filename: %s' % (animate, movie, filename)
self.camera = vtk.vtkCamera() #self.renderer.GetActiveCamera()
self.camera.SetPosition(0.0, 500.0, -1200.0)
self.camera.SetFocalPoint(0, 0, -1200)
self.camera.ComputeViewPlaneNormal()
self.renderer.SetActiveCamera(self.camera)
self.renderer.ResetCamera()
if not animate:
self.interactor = vtk.vtkRenderWindowInteractor()
self.interactor.SetRenderWindow(self.renwin)
self.interactor.Initialize()
self.interactor.Start()
else:
# self.renwin.SetOffScreenRendering(True)
# self.win2image = vtk.vtkWindowToImageFilter()
# self.win2image.SetInput(self.renwin)
if movie:
self.moviewriter = vtk.vtkFFMPEGWriter()
self.moviewriter.SetQuality(2)
self.moviewriter.SetRate(10)
self.moviewriter.SetInputConnection(self.win2image.GetOutputPort())
self.moviewriter.SetFileName(filename)
self.moviewriter.Start()
else:
pass
# self.imwriter = vtk.vtkPNGWriter()
# self.imwriter.SetInputConnection(self.win2image.GetOutputPort())
time = 0.0
for ii in range(self.datahandler.num_time):
time += self.datahandler.plotdt
print 'Time:', time
for cellclass in self.datahandler.cellclass:
vm = self.datahandler.get_vm(cellclass, ii)
if (vm is None) or len(vm) == 0:
# print 'Error:', cellclass, vm
continue
self.positionSource[cellclass].GetPointData().SetScalars(vtknp.numpy_to_vtk(vm))
self.renwin.Render()
# self.win2image.Modified()
if movie:
self.moviewriter.Write()
else:
pass
# self.imwriter.SetFileName('frame_%05d.png' % (ii))
# self.imwriter.Write()
if movie:
self.moviewriter.End()
print 'TraubDataVis.display::End'