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controlling the decay of photometric light with ies data in it


chow choppe
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hi everyone

can anyone tell me how i can control the fall of of target photometric light so that its doesnt fall on the ground but fades away midway

like in standard max lights we can use attenuation for a spotlight?

is it possible in max also

i am using an ies file for this photometric metal halide

see attached image to see where i dont want the light to fall

 

lighthiz.th.jpg

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