Hi Robert, To see how to compute the tex coords have a look at how it's done in the osgViewer::InteractiveImageHandler, in particular the bool InteractiveImageHandler::mousePosition(..) method implementation found in src/osgViewer/ViewerEventHandlers.cpp.
Robert. On Sun, Aug 8, 2010 at 11:45 PM, Robert Youngren <[email protected]> wrote: > Hi, > > Right, I understand that I can make a call to osg::Image::getColor(s,t), > however how do I convert from world coordinates (intersection on the object) > to texture coordinates? Is there a method in osg to do this, or do I need to > come up with a coordinate transformation matrix? Clearly this has had to > have been done. I guess I can look at the osg source to see how an image is > texture mapped onto a 3d object and just do the reverse? > > Thank you! > > Cheers, > Robert > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=30629#30629 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
