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Question by sewy · Jun 12, 2018 at 09:43 AM · editor lighting editor-scripting lightprobes

LightProbe comparsion

Hello,

I'm making editor script for automatic placing LightProbes. I place them in grid, bake the lighting and then I am comparing their Spherical Harmonics indexes, if they are within treshold. Those with similar values will be merged.
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Problem is, every index can be in different numerical order, so it's a bit problem (I dont want to manualy add 27 thresholds, because I'm not sure, if the numerical orders are consistent for the specific index).
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Any idea how to do it? Not much into reading mathematics papers (https://docs.unity3d.com/Manual/LightProbes-TechnicalInformation.html)
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EDIT: kinda made it via percentage similarity, but still looking for more elegant and SH mathematical solution.

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