hi,
maybe it is due to the MaterialGroups that are added by the vrml loader,
please inspect the resulting scenegraph using some opensg-based viewer
(for example vred).
you must care about "lit" parameter and/or "colorMaterial" parameter in
materialchunks.
cheers
francesco
>
> Hi everyone,
> I'm an opensg-newbie. I'm experiencing problems coloring vertex of a file
> .wrl
>
> Here is some code line
>
> [...]
>
> NodePtr fileNode = SceneFileHandler::the().read("object.wrl");
> GeometryPtr geo = findGeometry(fileNode); //Find geometric core
>
> GeoPositionsPtr positions = geo->getPositions();
> int numVertex = positions->getSize();
>
> for(int i = 0; i< numVertex; i++)
> colors->addValue(Color3f(1,0,0));
>
> beginEditCP(geo);
> geo->setColors(colors);
> endEditCP(geo);
>
> [...]
>
>
> If I load a .raw file I haven't any problem. Why?
>
> Cheers
> Portelli Carmelo
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