Re: Height maps

Len Wanger ([email protected])
Tue, 9 May 1995 11:41:56 +0059 (PDT)


> Except that (...and correct me if I'm wrong) the advantage to the node
> specified by Jim is that you ONLY SPECIFY Z ELEVATIONS. This cuts down
> the amount of data that needs to be transmitted by 2/3 (a single float
> per specified point instead of 3 floats per point). This is neither a
> tri-mesh or a quad-mesh. This type of node is easily generated from dem
> and other forms of publically available terrain data.

Good point. A height field does sound useful. Case is point is the SDSC
San Diego Bay data, which would be about 500k smaller with a height
field node.

Len Wanger -- [email protected]
Interactive Simulations Inc.
http://www.intsim.com/~isigen