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The Script at Work

Remember my scene with the glowing teeth? Running the script on my original scene showed me the problem: One of the lights in the scene had cast off shadows, so the light was penetrating through the cheek and illuminating the teeth too much. Although this script took me a while to write, and I probably could have done it faster manually, I now know I will never have to do it again. Anytime any of the team is presented with the same problem, he or she can press a button to figure out the answer instead of doing a bunch of boring work.

The script isn’t useful only for this particular problem. It’s also useful for other purposes. For example, suppose you set up a scene with a number of lights and then decide, for speed purposes, that you should delete five lights from your scene. Which five lights do you pick? Being able to see exactly how much a particular light adds to the overall scene illumination can give you a better idea of where to cut. Maybe you’d like to see how much backlight your object is receiving from the backlight you added two weeks ago, now that the character and scene have undergone several hundred changes. Is it doing its job? Could it be doing its job better if you moved it a bit? Is that illumination you’re seeing on the side of the face coming from Omni251 or Omni252? The possibilities are endless.


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