Re: Position of object changing

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Angus Dorbie (dorbie++at++sgi.com)
Mon, 06 Jul 1998 12:33:22 -0700

VSM 13 wrote:
>
>
> I try to use some DCS to translate the DataBase, these solution doesn't
> works, if you have a large coord. problems before, you conserve it.
> a solution, may be, is to use SCS to flatten, so we transform the polygon
> coord., but is it possible in all application ( very large database used
> with pfDBase, multichannel ( may be some errors is the limits of screen)
> I think that the way to move database and to fix the eye, is a good
> solution, but it's need to think to all the details of the application ( GL
> Callback, Mobiles, HUD, and dialog with a host) and it's not easy.

a DCS to move the database doesn't work because although the
resultant modelview matrix holds much smaller values, to produce
it you've already gone through a lot of lossy floating point
calculations with large exponents.

Cheers,Angus.

-- 
"Only the mediocre are always at their best." -- Jean Giraudoux 


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