Hi guys,

Question about culling/LOD in paged terrains. When a mountain (for example a volcano) is on the horizon, it gets culled when it should still be visible -> viewpoint close to the terrain. as you navigate up vertically, the tile pops back in. It seems visibility/invisibility of the tile is determined from the middle point but it should be from the highest point of course.

Have a look at the screendumps. Same location but different elevation. Volcano is visible at higher elevation but not from the lower one.

http://www.k2vi.com/osg/osgdem_lod1.jpg
http://www.k2vi.com/osg/osgdem_lod2.jpg

Only about 30m in elevation difference.

Any settings that I can change?

Regards Gert


--
Gert van Maren

Head of Research & Development
K2Vi Virtual Reality Software
Data Interface Technologies Ltd

Phone: +64 21 2855581
Email: [EMAIL PROTECTED]
Web: http://www.k2vi.com

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