![]() What’s more, if you shoot the reflection in one of those balls at multiple exposures, you can combine the images to form a panoramic HDRI that can be used for reflections or image-based lighting (IBL). They sometimes go by many names, but they all do pretty much the same thing: aid in capturing the lighting conditions on set and in re-creating those conditions on your CG character or CG environment. ![]() ![]() There are now more details below that flesh out the questions of what film was the first film to use a chrome ball, and, when were they first used for HDRI lighting? I’ve included a comment from ILM’s John Knoll explaining his early use of a chrome/gray ball set-up, and also extensive notes from Paul Debevec on his own research into reflection mapping and his key role in the advent of using chrome balls for HDRI lighting.Ĭhrome balls. ![]()
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