View Full Version : Need help with drawing a line

03-18-2010, 08:53 PM

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,

03-18-2010, 08:57 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, 09:02 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.