Michael Jones (mtj++at++babar)
Thu, 19 Jan 1995 10:40:44 -0800
[...LOD problem report...which we'll analyze ASAP...]
:If I had my druthers, I would ask for the Performer group to come up
:with a way to support automatic per-channel scaling for some LODs
:but not for others. As of right now, it it much more important that
:I render the terrain correctly (ie: PFLOD_SCALE = 0.5) but at the
:cost of rendering higher LOD moving models in the distance when
:their pixel projection doesn't warrent it.
The good news here is that IRIS Performer 2.0 supports several
new LOD control criteria. The first is per-pair transition (blend)
zones. The second is comprehensive programmable scaling of ranges
and blend-zones based on range and stress. Third is the fact that each
LOD node can be assigned to a "LOD Priority Class" and these classes
define all the scaling behaviors on a per-channel basis.
Summary: what you need is in the next release.
--Be seeing you, Phone:415.390.1455 Fax:415.965.2658 M/S:8U-590 Michael T. Jones Silicon Graphics, Advanced Graphics Division mtj++at++sgi.com 2011 N. Shoreline Blvd., Mtn. View, CA 94039-7311
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