[Paraview] Compilation with Manta plugin

[David E DeMarle]

I don't think the rendering bug is related to the compilation warnings. I
think it is an off by one error in the color mapping.

Please submit a bug report and I will fix it in master.

thanks.

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909


On Fri, May 16, 2014 at 10:25 PM, Wolfram, Phillip J <pwolfram at lanl.gov>wrote:

>  Dear Paraview Users and Developers,
>
>  Has anyone recently compiled Paraview from source with the Manta plugin,
> particularly on OS X 10.9 (Mavericks)?
>
>  I have successfully compiled Manta, but have the compiler warnings of
> type:
>
>  ld: warning: direct access in ___cxx_global_var_init27 to global weak
> symbol guard variable for Manta::MantaRTTI<Manta::Texture<float>
> >::force_initialize means the weak symbol cannot be overridden at runtime.
> This was likely caused by different translation units being compiled with
> different visibility settings.
> ld: warning: direct access in ___cxx_global_var_init28 to global weak
> symbol guard variable for Manta::MantaRTTI<Manta::Constant<float> >::init
> means the weak symbol cannot be overridden at runtime. This was likely
> caused by different translation units being compiled with different
> visibility settings.
>
>  etc
>
>  The executable appears to be working properly, but it is less clear if
> the Manta ray tracing plugin is working correctly.  For example, it does
> allow for changing opacity and there are some rendering artifacts.  The
> benefit is higher quality rendering, but if it doesn't work properly it
> clearly isn't worth it as you can see below where the OpenGL renderer is on
> the left and the Manta renderer is on the right.  Notice how there is a
> patch of red missing near the notch.
>
>
>  I suspect it is a compilation issue because of the warnings but would
> greatly appreciate any ideas / suggestions from the community.  I may also
> be using the plugin incorrectly and would appreciate correction too.
>
>
>  Thanks,
>
>
>  Phillip
>
>
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