PDA

View Full Version : how get the normal value of a plane?


liuyinzg
04-29-2007, 03:23 PM
how get the normal value of a plane or a cv's position in the world?
thanks!

iluvgfx
04-29-2007, 06:37 PM
Hi.

For a plane, taking the cross product of two coincident edge vectors should give you the normal.

check out the link below for some more info
http://en.wikipedia.org/wiki/Surface_normal

Greetings,
Satish.

GennadiyKorol
04-29-2007, 08:16 PM
You could use pointPosition or xfrom commands to get cv's position in world space.

CGTalk Moderation
04-29-2007, 08:16 PM
This thread has been automatically closed as it remained inactive for 12 months. If you wish to continue the discussion, please create a new thread in the appropriate forum.