[Paraview] Two questions regarding animations in batch

[Utkarsh Ayachit]

Morten,

(i) Use CameraAnimationCue instead of KeyFrameAnimationCue.
(ii) Try using the WarpByVector() filter.

Utkarsh

On Mon, Feb 4, 2013 at 6:54 AM, Morten Olsen <morten.olsen2079 at gmail.com> wrote:
> Hi all,
>
> I'm new to the batch interface and trying to batch animations using pvbatch.
> I have read the wiki and searched through the mailing list for information,
> and found many useful answers. However, I'm stuck with two questions:
>
> i) The following script segfaults with the error message posted at the end
> of this email. Any idea how to solve it?
>
> #!/usr/local/bin/pvbatch
>
> from paraview.simple import *
>
> reader = PVDReader(FileName='vtkfiles/displacement.pvd')
>
> scene = GetAnimationScene()
> view = GetActiveView()
>
> cue = servermanager.animation.KeyFrameAnimationCue()
> cue.StartTime = 0.0
> cue.EndTime = 1.0
> cue.AnimatedProxy = view
>
> keyf0 = servermanager.animation.CameraKeyFrame()
> keyf0.KeyTime = 0.0
> keyf1 = servermanager.animation.CameraKeyFrame()
> keyf1.KeyTime = 1.0
> cue.KeyFrames = [keyf0, keyf1]
>
> movie = servermanager.animation.AnimationScene()
> movie.ViewModules = [view]
> movie.Cues.append(cue)
>
> movieWriter = servermanager.vtkSMAnimationSceneImageWriter()
> movieWriter.SetFrameRate(24)
> movieWriter.SetFileName("movie.avi")
> movieWriter.SetAnimationScene(movie.SMProxy)
> movieWriter.Save()
>
>
> ii) How can I add the warp by vector filter?
>
> By the way, I'm using the standard 3.14.1 64-bit edition of Paraview on
> Linux Mint Maya.
>
> Here's the segfault output:
>
> ERROR: In
> /build/buildd/paraview-3.14.1/ParaViewCore/ClientServerCore/vtkPVCameraKeyFrame.cxx,
> line 81
> vtkPVCameraKeyFrame (0x2938dc0): This keyframe can only be added to
> vtkPVCameraCueManipulator.
>
> [maya:06239] *** Process received signal ***
> [maya:06239] Signal: Segmentation fault (11)
> [maya:06239] Signal code: Address not mapped (1)
> [maya:06239] Failing at address: (nil)
> [maya:06239] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x364a0) [0x7f6d300de4a0]
> [maya:06239] [ 1]
> /usr/lib/paraview/libvtkPVServerManager.so(_ZN19vtkSMAnimationScene12TickInternalEddd+0x137)
> [0x7f6d31b6baf7]
> [maya:06239] [ 2]
> /usr/lib/paraview/libvtkCommon.so.pv3.14(_ZN15vtkAnimationCue4TickEddd+0xa5)
> [0x7f6d30a47175]
> [maya:06239] [ 3]
> /usr/lib/paraview/libvtkPVServerManager.so(_ZN25vtkSMAnimationSceneWriter4SaveEv+0x42)
> [0x7f6d31b728d2]
> [maya:06239] [ 4]
> /usr/lib/paraview/libvtkPVServerManagerPythonD.so(+0x53775) [0x7f6d08427775]
> [maya:06239] [ 5] /usr/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x53a5)
> [0x7f6d25e49845]
> [maya:06239] [ 6] /usr/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x855)
> [0x7f6d25e14605]
> [maya:06239] [ 7] /usr/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x32)
> [0x7f6d25e14932]
> [maya:06239] [ 8] /usr/lib/libpython2.7.so.1.0(PyRun_FileExFlags+0xb0)
> [0x7f6d25e15740]
> [maya:06239] [ 9] /usr/lib/libpython2.7.so.1.0(PyRun_SimpleFileExFlags+0xdf)
> [0x7f6d25e15b8f]
> [maya:06239] [10] /usr/lib/libpython2.7.so.1.0(Py_Main+0xbdc)
> [0x7f6d25e179cc]
> [maya:06239] [11]
> /usr/lib/paraview/pvbatch(_ZN14ParaViewPython3RunEiiPPc+0x119) [0x4017e9]
> [maya:06239] [12] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)
> [0x7f6d300c976d]
> [maya:06239] [13] /usr/lib/paraview/pvbatch() [0x401471]
> [maya:06239] *** End of error message ***
> Segmentation fault (core dumped)
>
> Thanks for all help, really appreciated!
>
> --
> Morten
>
>
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