[Paraview] PDF-Export

[David Lonie]

Forgot to CC the list:

On Fri, Nov 7, 2014 at 9:16 AM, David Lonie <david.lonie at kitware.com> wrote:

> On Fri, Nov 7, 2014 at 8:46 AM, <yannic.eichler at hsu-hh.de> wrote:
>
>> Thank you for your fast reply.
>> If tried different settings, but nothing really works. If i make a tick
>> at rasterize 3D geometry the exported pdf also occurs an error and the
>> shown graphic is kind of a bitmap graphic and not a real vector graphic
>> like I need. You are rigth it isn´t grey-colored anymore. The errorin adobe
>> acrobat reader is like: The graphic could not be presented correctly,
>> please contact the producer of the file.
>>
>
> We use an external library to produce the exports (gl2ps), and this is a
> limitation on their side -- the textures that are used to color the data
> cannot be detected by gl2ps, so the only way to get the colors to appear is
> to rasterize the data. Indeed, this defeats the purpose of using a vector
> format :-(
>
> There was a similar issue on the developer's list a few months ago, see
> this thread:
>
> http://public.kitware.com/pipermail/paraview/2014-February/030639.html
>
> Is there a "Interpolate Scalars Before Mapping" option enabled in the
> paraview properties panel? Disabling that will change how the colors are
> stored, and seems to work around the texture issue.
>
> As for the client error, that's hard to track down without seeing the
> file. By chance, do you have any multi-line text being rendered in your
> scene? There was a bug (fixed in the development version now) that would
> cause similar problems when exporting multiline text as a path.
>
>
>> Is it possible that the problem depends on the code I use to convert my
>> simulation results into a inp-file to visualize with Paraview. In Paraview
>> I don´t get any errors and problems and everything works still fine, but
>> maybe I have forgotten to add some kind of special code?
>>
>
> Not likely. GL2PS works by watching the OpenGL feedback buffer --
> basically, it watches what is being drawn in the window and converts it
> into a vector format. This is independent of the original data format.
>
> Dave
>
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