I was wondering if there was an easy way (i.e. some osgText function) to make a backdrop quad that sits behind an osgText in 3d world space in order to make something like a road sign with the word "STOP" on it. I looked through the osgText documentation, but didn't see anything obvious, but I thought I would ask just in case I missed something.
If there is not an easy way to add a background quad I was going to combine an osgText::Text node with an osg::Billboard node that contains a geometry node that draws a quad whose vertices are determined from the bounding box of the osgText. I was hoping that if I used the osgText's SCREEN axis alignment mode and the Billboard's POINT_ROT_EYE mode that they would rotate in the same plane and that if I used the PolygonOffset attribute on the Billboard then it would stay behind the text. Does that sound valid? Thanks. Alex
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