You have to enable blending.
Try this:
[code]
ss->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
ss->setMode(GL_BLEND,osg::StateAttribute::OVERRIDE |
osg::StateAttribute::PROTECTED | osg::StateAttribute::ON);
[/code]
Thank you!
Cheers,
Martin
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=48670#48670
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