Re: Size of objects

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Jude Anthony (jude++at++p3.enzian.com)
Thu, 5 Dec 1996 13:27:36 EST

> The default observer in Vega is attached to a the default motion
> model with is placed at (0,-10,0) not at the origin. Sounds to me
> like you are viewing the object from a distance of 200 meters in
> perfly and 210 meters in Vega. Try changing the location of the
> motion model to the origin and rerun your test.

Ah-hah! Thank you very much. And thanks to everyone who helped out
here.

Turns out that the test data I was given was erroneous; the observer
was attached to a motion model that started the observer several
meters (database units) away from the origin. As soon as I
eliminated the offset, perfly and vega showed (almost) exactly the
same thing. The sizes of objects in both applications now match to
as near as we can measure.

I wish it had been something more complicated, so I didn't feel like
an idiot. On the other hand, I'm glad it was easy to correct.

Thanks again!
Jude Anthony
jude++at++p3.enzian.com
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