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Re: [cgal-discuss] Dealing with Precision and Speed


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  • From: Karl Gaize <>
  • To:
  • Subject: Re: [cgal-discuss] Dealing with Precision and Speed
  • Date: Fri, 19 Mar 2010 15:11:34 +0000

this came in while I was writing my last reply, and it does look like I may
have to modify the algorithm to run correctly in the original 3d space.

I wrote it originally in 2d so that I could cut down on some rather complex queries and use point.x() < val instead of calculating distances from origins and comparing those, so I don't think it's impossible to do, just something I don't want to do given time constraints.

Karl

On 19/03/2010 14:59, Bernd Gaertner wrote:
Karl Gaize wrote:
I'm inherently working with constructed
geometry, as I have to do a couple of affine transformations to get
the geometry from its original 3d into the XY plane for my algorithm
to work.

You may need to develop a version of the algorithm that works in the
original space, or that applies the transformations only locally when
you need to decide/construct something. Or is this completely impossible
in your case?

Bernd.





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