Another option may be to use geometry shaders for curved lines and surfaces. Of course you need a failrly new graphics card for this. An OSG implementation what allowed multiple 'techniques' like shaders or GLU would be interesting. -gw
On Dec 23, 2007 1:23 PM, Jean-Sébastien Guay <[EMAIL PROTECTED]> wrote: > Hello Emre, > > > Thanks for your interest on this topic. I will try to make a curve > drawing > > interface for my graduation project. So I will inform the mail-list > about > > any updates on curve drawings. Maybe it can be added to a future release > of > > osg. > > Cool, keep us posted. > > > P.S: Robert thanks for your reply too. I don't want to search 3rd party > > plugins for tesselation since I don't have much time. I will give a try > to > > osgTeapot example. > > Keep in mind, the osgTeapot example is just an example of how to wrap > straight OpenGL commands into a custom osg::Drawable. If you want more > general-purpose parametric curve support in OSG, that will probably > not be enough. But it could be a good starting point. > > I would think at first, the hardest part would be calculating accurate > bounds for the final object so it is not culled out when it should not > be. But start out simple, get a first version out there, and others > can always help refine it iteratively later (gotta love a thriving > Open Source project/community!) > > Good luck, and keep us posted. > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay [EMAIL PROTECTED] > http://whitestar02.webhop.org/ > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > -- Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : 703-652-4791
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