Hi Clement,
I checked what you suggested but I don't really understand how I can retrieve
the respective colors of each points I am looking for.
Do you have any idea how it can be done ?
You need to extend your visitor to capture the StateSet active for your
drawable. You need to add a osg::Node apply function which
merges/unmerges the current state until you reach your drawable. Then
check for the osg::Material StateAttribute of your accumulated state and
retrieve the diffuse or whatever color your are after (there is some
getAttribute function on the StateSet)
Take a look at the obj-exporter, it basically does the accumulation and
material retrieval. In case you have no vertex-colors simply use the
state-colors or fallback to some default.
Hope that helps
Sebastian
...
Thank you!
Cheers,
Clement
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=66675#66675
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