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Lightmass Portal - What is it?

What exactly is a lightmass portal and how is it used? I've done a quick google and I can't find much about it.

Thank you!

Product Version: UE 4.11
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asked Apr 15 '16 at 05:00 PM in Rendering

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gpb1989
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Hi gpb1989,

The release notes for 4.11 include some details about this new feature: https://docs.unrealengine.com/latest/INT/Support/Builds/ReleaseNotes/2016/4_11/index.html

This should help you understand and get started using them with your light builds.

-Tim

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answered Apr 15 '16 at 05:52 PM

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Tim Hobson ♦♦ STAFF
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avatar image gpb1989 Apr 15 '16 at 06:16 PM

Ah excellent, cheers Tim.

avatar image Onizuka33 May 31 '17 at 07:41 AM

Sorry, but I still don't get one thing: do I still need a lightmass importance volume or I have to replace volumes with portals? I'm using ue4 4.16 THX

avatar image Tim Hobson ♦♦ STAFF Jun 06 '17 at 06:55 PM

@Onizuka33

You still use a Lightmass Importance Volume. The Lightmass Portal directs where openings are (for windows, doorways) to direct them through the opening for better results.

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