Re: Marquee selection speed

[Dair G. <da...@re...>]

James W. Walker wrote:

>> I have been investigating why my program is so slow when a user does
>> a marquee selection. I set up a reasonable test case of 50 to 60
>> spheres and pulled out a rectangle around about 80% of the spheres.
>> Quesa returned about 28000 hits, and my program works through the
>> list asking for the data on each of the hits in turn.
>
>How did 50 to 60 spheres turn into 28000 hits?  What kind of hit data
>are you asking for?

Yes, that does seem very high: presumably you use a window rect to
implement the selection, in which case you'd expect the number of hits
to be <=3D the number of objects in the scene?


-dair
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