[Paraview] vtkGL2PSExporter usage from within Paraview's python shell

[Peter Brady]

Hello Marcin,

Your question may have already been answered here:
http://markmail.org/message/zd2nwsztxl4xwbhm.

However I think the last time I tried this was in 3.4 so things may have
changed.  In my experience the vtkPostScript writer does a better job
although it has been quite a while since I've tried gl2ps.

Good luck,
Peter.

On Thu, Jun 17, 2010 at 8:23 AM, Marcin Sliwowski <ms275 at duke.edu> wrote:

>  Hello,
>
> I am trying to figure out how to save a visualization in Paraview directly
> to ps/eps format.
>
> I have compiled from source paraview 3.6 with the configuration option
> VTK_USE_GL2PS set to ON.
>
> There are many hits in the mailing list archives regarding trying to use
> vtkGL2PSExporter to achieve this but I couldn't find anything that I could
> make work.
>
> I know that I can just use WriteImage("test.eps",
> Writer="vtkPostScriptWriter") in the python shell to get what I am asking
> for.
>
> However, I wonder if GL2PS could provide a better looking eps file, and
> having spent a couple of hours on this, I would really like to get to the
> bottom of this.
>
> I have looked at the vtkGL2PSExporter class reference at
> http://www.vtk.org/doc/nightly/html/classvtkGL2PSExporter.html and from
> there followed the vtkGL2PSExporter (Tests) link which provides examples of
> unit testing that is done on the class. One example is actually titled "test
> vector EPS output"
>
> However, even after doing a: from paraview import vtk in the python shell,
> when I try to follow the test example and do exp = vtk.vtkGL2PSExporter() I
> get the following error:
>
> AttributeError: 'module' object has no attribute 'vtkGL2PSExporter'
>
> Can anyone shine any light on how to actually utilize the vtkGL2PSExporter
> in Paraview to export an .eps, my impression is that it has to be done in
> the Python Shell, and I am not very familiar with Python.
>
> Thank You,
> Marcin Sliwowski
>
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