Re: Barycentric to cartesian?

On Jul 21, 12:29 am, "Ron Francis" <ronfran...@xxxxxxxxxxx> wrote:
Hi,

When finding an intersection of a line and a triangle I find the point on
the plane and then determine if it is in the triangle.
I have been reading some stuff which id supposed to do it more efficiently,
but it leaves me with barycentric coordinates (t,u,v).
I haven't used these before and couldn't find any information on converting
back to cartesian.
Sorry if this is a stupid question, but is it possible?
If so, how can I do it?

Regards,
Ron Franciswww.RonaldFrancis.com

-- Posted on news://freenews.netfront.net - Complaints to n...@xxxxxxxxxxxx --

Does wikipedia help: http://en.wikipedia.org/wiki/Barycentric_coordinates_(mathematics)
or http://en.wikipedia.org/wiki/Trilinear_coordinates
.

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