So I've been successfully placing objects using the methods in this thread for geocentric terrains, but now I need to start using UTM terrains so I have to rethink some of this object placement code. Before I was able to get my local-to-world matrix by using ellipsoid::computerLocalToWorldTransformFromLatLonHeight, but with UTM I can't use the ellipsoid model from my terrain's coordinatesystemnode. I am aware of the osg::computeLocalToWorld function but I'm not sure how to correctly implement this. Any tips on this? Thanks.
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