what do you mean by close but not pixel perfect?
On Mon, May 13, 2013 at 2:26 PM, Simon Björk <[email protected]> wrote: > Hi all, > > I'm looking for a way to accurately converting a point position pass > (world space) to a depth pass (camera space). I have a camera available. > > The following expression gets me close but not pixel perfect: > > set cut_paste_input [stack 0] > version 7.0 v4 > push $cut_paste_input > Expression { > temp_name0 cx > temp_expr0 shot_camera.translate.x-r > temp_name1 cy > temp_expr1 shot_camera.translate.y-g > temp_name2 cz > temp_expr2 shot_camera.translate.z-b > temp_name3 dist > temp_expr3 sqrt(cx*cx+cy*cy+cz*cz) > channel0 rgba > expr0 dist > channel1 none > name Expression7 > label "convert p world to z-depth" > selected true > xpos 266 > ypos -50 > } > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > -- ■ ■ ■ ■ ■ ■ ■ ■ ■ ■
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