Capturing Reflections for CG?

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Old 11 November 2012   #16
Originally Posted by danylyon: Just film the screen turned off (black).. and add the image with an "add" (linear space) or "screen" photoshop.


Ditto that, simpliest way to do it.
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Old 11 November 2012   #17
Originally Posted by hypercube: That's the same as shooting a chrome sphere for an HDRI, etc. you should in theory be able to place an object in the same place in the same scene and have the same reflections, but it's never flawless.

If you replace ALL the reflections on the object, then it doesn't matter. At that point you may as well replace the entire object.


well, not exactly.... images projected on dummy geo provide "actual depth", so a rough(blurred) reflection would reflect closer objects differently (sharper in this case)... but its true in most cases an hdri does the job....
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Old 11 November 2012   #18
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