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Prospero
Sep 30 2002, 14:31
Anyone know what the maximum number of components is? Owing to the complexity of my Kiev class aircraft carrier model, I need to define a LOT of components for the geometry (and the fire geometry) LOD.

Prospero

Sep 30 2002, 17:46
Lots of components in geometry? Are you crazy? In Geometry must bde very simple model&#33;&#33;&#33;

Prospero
Sep 30 2002, 19:09

Well the problem is that if the deck and all the walkways (all the surfaces, basically) are to be walkable, then there&#39;s only so much I can do to cut down the number of components for the geometry LOD. Am I correct in saying that a walkable component has to be convex (as in a  convex hull)? If so, I simply can&#39;t do much about the complexity&#33;

Also, here&#39;s another (related) question regarding components and the possibility of making structures like caves. Let&#39;s say that I first start with a 50 x 50 DEM heightfield, consisting of points. Let&#39;s say I then assign the faces (all triangular), so I&#39;ve now got a solid surface.

To make this walkable, I need to give it some "thickness" and some mass. So, in order to create the "thickness", let&#39;s say I make a copy of the surface and lower it by 0.5 meters (a bit like extruding), so that I&#39;ve now got two identical surfaces separated by 0.5 meters in height.

Now, is there some simple way I can then create all the necessary components from the upper and lower triangle pairs bearing in mind that edges are shared?

Would be very grateful for a steer on this, chaps.

Prospero

Devilchaser
Oct 1 2002, 00:12
Maximum number of components is 128. after that they are ignored.

Maximum size of any geometry LOD is 64 meters. Beyond that and it is ignored.

For an aircraft carrier you must make it in sections.

Devilchaser
Oct 1 2002, 00:15
and you dare not let geometry handle your walkways. you must use roadways for that, ensuring that the roadway is slightly above the geometry.

For greatest effectiveness, use roadways for all horizontal surfaces and only use geometry to prevent crossing of walls. No need for geometry below a flat surface, because you will be walking on the roadway.

proximity of geometry to any place you wish to walk will cause jittering.

Prospero
Oct 1 2002, 11:11
Many thanks Devilchaser. It&#39;s working nicely now.

The carrier is 274 meters long. From my tests, it seems that there is a limit to the size of a roadway LOD too... Know what it is by any chance?

Edit: Well, it looks like 100 meters is the max size for the roadway LOD... can anyone confirm this?

By the way, can one have double-sided roadways (i.e. working from above and below)?

Prospero