Just saw reset of thread -- mind putting "import sys print sys.path"
in your ProgrammableFilter script and seeing what is the default path it is ending up picking? On Sun, Mar 9, 2014 at 3:02 PM, Utkarsh Ayachit <[email protected]> wrote: > Did you call an UpdatePipeline before checking for point-data arrays? > e.g. > > ProgrammableFilter1.UpdatePipeline() > print ProgrammableFilter1.PointData.GetNumberOfArrays() > > > Utkarsh > > On Wed, Mar 5, 2014 at 8:31 PM, Simon Couture > <[email protected]> wrote: >> Hi everyone, >> >> I am trying to use paraview from an external python program where I import >> paraview.simple and mostly use python code generated by Paraview's trace tool >> to accomplish what I want. In general it works well, but in one instance I >> need >> to generate a new data array from my source/reader, and as far as I know, the >> programmable filter is the only way to do this (the actual PointData arrays >> of >> the sources are not directly visible/editable through the python shell). Now >> when I try to execute the python code that I get from trace to insert a >> programmable filter with a given script, the PointData array that the >> programmable filter's script is supposed to create is not created (and it >> does >> work when I create the programmable filter using the Paraview GUI). >> >> To be more clear, here is the python code that I run (cutting out camera and >> rendering commands): >> >> mysource = AVSUCDReader( FileNames=['/home/myfile.inp'] ) >> >> mysource.PointArrayStatus = [] >> mysource.CellArrayStatus = [] >> >> RenderView1 = GetRenderView() >> DataRepresentation3 = Show() >> ProgrammableFilter1 = ProgrammableFilter() >> DataRepresentation4 = Show() >> ProgrammableFilter1.RequestUpdateExtentScript = '' >> ProgrammableFilter1.PythonPath = '' >> ProgrammableFilter1.RequestInformationScript = '' >> ProgrammableFilter1.Script = "pdi = self.GetInput()\nnbpoints = >> pdi.GetNumberOfPoints()\ninput_pointdata = >> pdi.GetPointData().GetArray('data') >> [... the rest of my script here]" >> >> After running this in either the paraview python shell or from an external >> python program, if I do for instance: >> >> ProgrammableFilter1.PointData.GetNumberOfArrays() >> >> I get 0 meaning that no PointData array was created, whereas if the same >> programmable filter is created in the paraview GUI, I would get 1. Please >> note >> that I am not using the Copy Arrays option of the programmable filter. >> >> Has anyone successfully used the programmable filter from a python script? >> >> _______________________________________________ >> 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 >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/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 Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
