I'm thinking of modelling something really big and I'd like some suggestions
on how this might be done. The model is of the 270,000 stars in the
Hipparco's and Tycho catalogs. I'm inspired by the OpenGL program Celestia
(www.shatters.net/celestia) and have been peppering the author with "How did
you do that??" questions.
The immediate challenges I see are to:
1) figure out how to load 270,000+ objects in an intelligent way. Should I
load them all up? Or only those stars that are visible from the current
viewpoint?
2) decide what scale to use? The Java3D specification says that 1.0 == 1
meter, but is that realistic when dealing with objects that are light years
apart?
3) determine a clipping distance. Is there any overhead by setting a really
big back clipping distance when there isn't any models in between?
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