ParaView's Python Programmable Filter and Python Programmable Source use VTK Python wrapping to do the work while making it available in Paraview. Check out http://www.paraview.org/Wiki/Python_Programmable_Filter.
On Tue, Jul 14, 2015 at 2:59 PM, Jeff Becker <[email protected]> wrote: > Hi. > > As a proof of concept, I have a vtk script that reads some binary data, > and produces a vti file. I then have a second script that I generated using > ParaView's tracing facility while viewing the data. Now I'd like to combine > them, so as to eliminate the intermediate file, i.e., go from binary data > directly to rendering. To be specific, my vtk script ends like this: > > steinbmag = steinbmag.reshape(nx,ny,nz).T > > vtkImporter = vtk.vtkImageImport() > vtkImporter.CopyImportVoidPointer(steinbmag, steinbmag.nbytes) > > vtkImporter.SetDataScalarTypeToFloat() > vtkImporter.SetNumberOfScalarComponents(1) > vtkImporter.SetDataExtent(0, nx-1, 0, ny-1, 0, nz-1) > vtkImporter.SetWholeExtent(0, nx-1, 0, ny-1, 0, nz-1) > vtkImporter.SetScalarArrayName('B field magnitude') > > writer=vtk.vtkXMLImageDataWriter() > writer.SetFileName(out_fname) > writer.SetInputConnection(vtkImporter.GetOutputPort()) > writer.Write() > > and the ParaView script starts like this: > > from paraview.simple import * > > paraview.simple._DisableFirstRenderCameraReset() > > filepfx = '/nobackup/jcbecker/steinBmag_0' > infile = filepfx+'.vti' > # create a new 'XML Image Data Reader' > steinBmag_ = XMLImageDataReader(FileName=infile) > steinBmag_.CellArrayStatus = [] > steinBmag_.PointArrayStatus = ['B field magnitude'] > > # get animation scene > animationScene1 = GetAnimationScene() > > # update animation scene based on data timesteps > animationScene1.UpdateAnimationUsingDataTimeSteps() > > # get active view > renderView1 = GetActiveViewOrCreate('RenderView') > # uncomment following to set a specific view size > renderView1.ViewSize = [1090, 761] > > I'm looking at the VTK examples and pvpython documentation, but any help > is appreciated. > > Thanks. > > -jeff > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/paraview >
_______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/paraview
