I want to position something (let's say a building) to a terrain.
Currently I'm getting the Z value for the building doing this with an
osgUtil::IntersectVisitor and that works fine for static terrains. When
I run on a paging terrain (like one from osgEarth) and I position the
building, I get a Z value of the lowest LOD. Then more data pages in and
the building gets "buried" underground as more accurate data comes
What's the most effiecient "ground clamp" things to paging terrain?
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