Hi J-S, Yes, geometry shaders would be a must for these (and also for subdivision surfaces). I'd be interested in contributing to these (time permitting, you know that...), although I first have to catch up with OSG. Thank you!
Raphael On Feb 11, 2008 10:29 PM, Jean-Sébastien Guay < [EMAIL PROTECTED]> wrote: > Hello Raphael, > > Welcome! Hope you enjoy your time working with OSG, and the community > around it! > > > - OpenGL selection buffer seems not recommended as a way of picking in > > OSG, explicit primitive intersections are used instead. Could someone > > please comment on this (why...)? > > I'll let others answer this one, I don't know myself. I have always > found OpenGL selection buffers cumbersome to use, but with a good > wrapper it should be possible to make something that works well and is > easy to use I imagine. So I don't know why that was not done. > > > - Support for parametric curves / surfaces (Bezier, NURBs and the > > likes). Are there any plan to support this directly (through GLU or > > other), or should I export those as polygonal data instead? > > I would like to eventually help in adding support for parametric curves > and surfaces in OSG. I have used the GLU interface before and would have > used that as the first step, followed by an implementation using > Geometry Shaders, with the ability to select the implementation you want > to use at runtime and a fallback mechanism. I think it would be really > cool to support that. But I haven't gotten to it thus far... :-( > > If you want to start doing something in this direction, I will be glad > to test and comment. And search the archives, there was a discussion > related to this not too long ago, so there was obviously interest in this. > > Hope that helps, and again welcome. > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay [EMAIL PROTECTED] > http://www.cm-labs.com/ > http://whitestar02.webhop.org/ > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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