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Auto generated lightmap density not showing

Hello, guys. I can't visualize the lightmap density of the meshes with lightmaps generated inside UE4 (4.5). They get a strange gray color like on this image.

Do I need to set something for them to show properly?alt text

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asked Oct 19 '14 at 11:53 AM in Using UE4

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rabellogp
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2 answers: sort voted first

Hi,

This appears to be a bug and I have entered a report for it (Jira - 4451).

Thanks for reporting this!

Tim

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answered Oct 21 '14 at 01:49 PM

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Tim Hobson ♦♦ STAFF
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avatar image rabellogp Oct 21 '14 at 11:31 PM

Ok. Thanks!

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The developer has looked into this issue and reported back that this is an intentional thing and will not be fixed.

Although, if you build lighting after the auto generated lightmap has been created this will then show the lightmap density.

After the lightmap has been generated before light build:

alt text

After light build:

alt text

Thank you!

Tim

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answered Jan 09 '15 at 01:42 PM

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Tim Hobson ♦♦ STAFF
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avatar image ChasN Mar 09 '15 at 04:12 PM

Can we please get a little more explanation than "The developer has looked into this issue and reported back that this is an intentional thing and will not be fixed."?

I looked through the documentation to see if I might find some explanation there, but no dice.

Having to rebuild all lighting just to see if the "guess" you've made as to lightmap density inhibits productivity. This is time consuming and circuitous. The way it worked before was fantastic, with instant feedback & updates.

So what is the justification? How is this "better", and can we please lobby to get it switched back to the (usable) way that it functioned before?

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