Hi Ben, osgSim::SphereSegment is a very specialist feature, it's not design to provide lots of flexibility. For the level of flexibility you require you'll need to build your own collection of one or more osg::Geometry leaves. Have a look at the osggeometry example as a guide.
Robert. On Tue, Feb 24, 2009 at 9:13 PM, Ben Cain <bc...@digitalfusion.com> wrote: > Hello, > > > > What’s the best way to draw a sphere with the ability to color some of the > surface’s segments differently? What I’m trying to do ... I’d like to > change the color of a given segment if it is intersected by a ray (leaving > the rest of the sphere color the same). > > > > I’ve used the osgSim::SphereSegment, but I don’t think it allows for > explicitly coloring a specified segment. It looks like the entire Surface > is added as one drawable. > > > > Would be easy to change how the way the Surface drawable is added … creating > a different drawable for every segment … and enabling them to be indexed by > azimuth/elevation angle (or range)? > > > > I could start from scratch, but I was hoping to leverage > osgSim::SphereSegment in some way. > > > > Any suggestions will be greatly appreciated! > > > > Thanks, > > Ben > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
