[vtk-developers] Exporter bugs

Gerrick Bivins gbivins at objectreservoir.com
Thu Aug 7 10:56:42 EDT 2008


I miss below typed and actually meant U3D (for 3D pdf¹s).


On 8/7/08 9:54 AM, "Gerrick Bivins" <gbivins at objectreservoir.com> wrote:

> Hello,
> I ran across a couple of bugs with the following Exporters in the vtk 5.2
> branch while trying to export my scenes in from my vtk application:
> VRML Exporter:
>   1) Exported file won¹t load in Paraview or most other VRML viewers.If it is
> succesful, only the last *Set is read in. The problem is that there needs to
> be one *Set per Shape node.
>   2) Exported file doesn¹t take into consideration actor¹s visibility so all
> actors are exported even if they aren¹t visible in the render window.
> I have fixed both of these.
> 
> In trying to verify some of these bugs by exporting to obj and reading in the
> file, I ran into these bugs:
> OBJExporter
>   1) Exported file doesn¹t take into consideration actor¹s visibility so all
> actors are exported even if they aren¹t visible in the render window.
>   2) Exporter file only uses Actors color rather than the mappers scalars for
> coloring (color by vertex).
>   3) Exported file doesn¹t use transparency. This is because the variable set
> for transparency is named incorrectly as ³Tf² should be ³Tr² according to
> specs.
>   4) Exported file¹s transparency is inverse of vtkProperty opacity value
> (1.0-opacity). Should just be opacity.
> 
> I have fixed 1,2 and 4 in my local build. 3 seems like it will be a little
> more complicated so it may take some time
> 
> Eventually, I¹d like to use x3D (or some other embeddable format UCD maybe) so
> I gave that a shot but ran into another issue:
> 
> X3DExporter
>   1)Exported file is unloadable in external viewers. I¹m not familiar enough
> with X3D format yet to debug this one.
> 
> My question is, has anyone run into these issues or are the Exporters not used
> that much? Also, how do I go about submitting the fixes I have so far, patch,
> whole files, submission list? Not sure on this one.
> I¹ve read these links:
> http://vtk.org/contribute.php
> http://www.vtk.org/Wiki/VTK_Coding_Standards
> But submission information seems to be missing.
> 
> Gerrick
> 
>   
> 
> _______________________________________________
> vtk-developers mailing list
> vtk-developers at vtk.org
> http://www.vtk.org/mailman/listinfo/vtk-developers

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/vtk-developers/attachments/20080807/6ccf5829/attachment.html>


More information about the vtk-developers mailing list