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[Question] IES Profiles

Whatever IES Profile I apply the light looks exactly the same.

Do IES profiles for lights actually work yet?

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asked Mar 11 '14 at 03:44 AM in Using UE4

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ue4-archive ♦♦ STAFF
49.8k 3656 1981 9108

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Hi Mads,

Yes, IES profiles are working fine. Here are two of the exact same Point Light, each with a different IES profile on it.

alt text

You may just need to make sure that the profiles you are using are distinctly different from each other.

Cheers

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answered Mar 11 '14 at 03:44 AM

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ue4-archive ♦♦ STAFF
49.8k 3656 1981 9108

avatar image ue4-archive ♦♦ STAFF Mar 11 '14 at 03:44 AM +

But is this with or without IES Brightness on?

avatar image ue4-archive ♦♦ STAFF Mar 11 '14 at 03:44 AM

Either option works. But when Use IES Brightness is enabled, you are expected to also enable Inverse Squared Falloff (see the tooltip for Use IES Brightness)

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