[Paraview] Questions on vector images output

[Mikhail Artemyev]

Hi Dave,

Thank you for the reply. Switching from evince viewer to acroread did 
resolve this issue.

Best regards,
Mikhail


On 10/20/2014 09:22 AM, David Lonie wrote:
> Hi Mikhail,
>
> 1) The triangulation artifacts you're seeing are likely due to 
> antialiasing in the viewer. Turning AA off (or using a different 
> viewer) should make the gaps between the triangles disappear and the 
> surface should appear smooth again.
>
> 2) The axis labels are 3D objects with rotations away from the plane 
> of the image, while the scalar bar labels are in the plane of the 
> image. This means that the scalar bar labels can be inserted as actual 
> text (i.e. tell the viewer to draw the string "interior_bf_0"), but 
> the axis labels have to be drawn as bezier curves (i.e. tells the 
> viewer to draw the shape of the text) since the output image formats 
> can't embed arbitrarily oriented text. To fix the issue with the gaps, 
> it looks like viewer antialiasing is the likely culprit again.
>
> Hope this helps,
> Dave
>
> On Sat, Oct 18, 2014 at 4:57 PM, Mikhail Artemyev 
> <artemiev.mikhail at gmail.com <mailto:artemiev.mikhail at gmail.com>> wrote:
>
>     Dear all,
>
>     I have two questions related to the vector images output from
>     ParaView for 3D. I use ParaView 4.1.0 32-bit on Ubuntu.
>
>     1. I've read here (http://www.kitware.com/blog/home/post/508) in
>     the discussion after the post that if the "colors are generated
>     from point/cell attributes", "the exporter should be able to
>     handle it once 'Rasterize 3D geometry' turned off". Otherwise "you
>     may end up with your exported object appearing grey/colorless".
>     That's exactly what happens in my case. However my 3D picture is
>     based on a rectangular grid with values of the computed field
>     defined at the vertices of the grid. I understand that for
>     visualization ParaView convert the rectangles to triangles first
>     (and it's clearly seen from the grey/colorless image I have),
>     therefore I'm wondering if it'll help if I replace rectangular
>     mesh to triangular from my side.
>
>     2. The second question is why the labels of the axis have some
>     triangulation inside them (here is a picture
>     http://drive.google.com/file/d/0B-0jjlhN_6HyWkR1bWoxc3dVazA/view?usp=sharing).
>     Is it GL2PS feature? How can I make them look like labels on
>     colour bar?
>
>     Thank you,
>     Mikhail
>
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