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brett01
03-18-2010, 09:53 PM
Hi,

I have a point P on the surface and normal N . Can someone help me how to draw a line so that I can recognize the normal pose.

Thanks & Regards,
-Brett.

brett01
03-18-2010, 09:57 PM
does P+ d*N gives me the second point so that I can draw a line ??

where d is some distance.

James A.
03-18-2010, 10:02 PM
yes, or p+N, if your Normal is normalized. In which case it will give you a second point of distance 1 away from your first point P.