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Questions relating to Blenders node editor. The node editor is used for non-destructive texture and material editing; for geometry node editing and for post-processing/compositing.

14 votes

Correct vector input to map texture light in Cycles

As Duarte mentioned, 2.79 fixes light projection so textured lamps can be rotated, but to make a spotlight into a "normal" projector the image needs to be centered and warp adjusted. Added node setup …
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