On Jan 7, 2008 4:12 AM, Glenn Waldron [EMAIL PROTECTED] wrote:
However, it only works for areas of limited geographic size. Overlaying a
geocentric model onto a geocentric globe using osgSim::OverlayNode doesn't
work for projecting models that cover larger areas or the entire earth.
Robert may
Thanks Robert, that makes sense. There are still issues when using view
dependent mode though. My initial thought was to grid up the geometry to be
projected and then apply cluster culling to each cell, so that it would only
consider projecting Visible geometry. However the cluster-culling doesn't
Hi!
I am learning about the VirtualPlanetBuilder and osgGIS, both are necessary
for the Geography Infomation system, I want to know how to use them together,
When I use the osggis_viewer application, I cannot find the right way to
display the osgGis models and VPB models together, my data
MingWei,
It sounds like what you are trying to do it to drape the country polygon
geometry onto a VPB globe. I assume you are using geocentric whole-earth
models. Usually you can drape the polygon geometry to the terrain using an
osgSim::OverlayNode. Here is a screenshot showing the technique in
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