FreeWRL showing GeoCentric coordinates in a HUD of an X3D shape, which is referenced in UTM coordinates. (Viewpoint is in actual 3d coordinates, shape in UTM, thus the rotation) Note the 3rd line goes negative when below shape; shape has height of 0 in UTM coords. This is an X3D model; a VRML model would also work. http://freewrl.sf.net for original files and a better resolution video.
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