Heres a link to a modified uberlight shader provided in the Renderman Shading Language Guide. It’s been modified to work in 3delight as the one in the book had some issues. Also I recommend anybody using the shader to combine it with the uberlighthelper python script which adds a visualisation of the shader. Note make…
In Renderman Advanced they explain how to use system co-ordinate blockers. In filmmaking the lighting guys will often use boards to block off light.
This is very simple.
1. Under 3delight menu, Add Coordinate system.
2. put the name eg ‘delightCoordinateSystemShape1’ into the ‘blockercoords’ section of the
3. Move co-ordinate system into place. Adjust blocker settings in uberlight.