how to rotate and flip image in VOP

Forums Technical Discussion how to rotate and flip image in VOP

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donghongzi: Member; 27 posts; Joined: Nov. 2010; Offline

Jan. 23, 2012 9:51 p.m.

I use two line-ramp generate a radius ramp. but I wonder what I can do about rotate the image. in other hand, I use a method of cos(1-x) flip image but not perfect.
anyone can help me？

Attachments:
vop ramp solution.hip (105.1 KB)


grayOlorin: Member; 1799 posts; Joined: Oct. 2010; Offline

Jan. 23, 2012 11 p.m.

hey donghongzi, if you are using S and T coordinates to map your ramp, could you just use a UV Transform VOP?

-G


donghongzi: Member; 27 posts; Joined: Nov. 2010; Offline

Jan. 23, 2012 11:17 p.m.

grayOlorin
hey donghongzi, if you are using S and T coordinates to map your ramp, could you just use a UV Transform VOP?

thanks grayOlorin , but I working in cop, uv transform weren't there. .


grayOlorin: Member; 1799 posts; Joined: Oct. 2010; Offline

Jan. 24, 2012 12:56 a.m.

in that case, how about the transform COP? it has a rotate on it

-G


donghongzi: Member; 27 posts; Joined: Nov. 2010; Offline

Jan. 24, 2012 1:14 a.m.

I‘m ashamed of but I didn't catch that ..(my english is not very good)
I wish use vop context to accomplish this effects.

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