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Unwanted color bleeding over the roof.

Hi, I get some unreal (hehehe...) color bleeding over the roof. Roof should be just black. I think I get this effect after I was add red gravel material on the ground in front of house. Effect is significantly too strong. Why it's happen and how can I get rid off this? alt text

alt text

Product Version: UE 4.14
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color_bleed.jpg (451.7 kB)
color_bleed_2.jpg (626.0 kB)
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asked May 29 '17 at 06:06 PM in Using UE4

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krecik000
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avatar image krecik000 Jun 01 '17 at 09:30 AM

Bump! any idea? I tried couple things but no changes.

avatar image Emiel97 Jun 03 '17 at 09:39 AM

Does the same thing happen if you put a different kind of Material on your roof?

avatar image krecik000 Jun 09 '17 at 04:57 PM

Good question. I tried it, and no difference. Still I get this color bleeding.

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3 answers: sort voted first

Solve: The issue was box reflection captures objects which I placed inside of rooms.

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answered Mar 29 '18 at 10:07 AM

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krecik000
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Hello krecik000

Does your Lightmass Importance Volume covering all the house with roof? If not can you extent it to cover all of the house and try again?

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answered Jun 09 '17 at 04:12 PM

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KemalGunel89
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avatar image krecik000 Jun 09 '17 at 05:08 PM

Hi. Yes, I put a few "Lightmass Importance Volume" and all together they cover whole house like you can see at the picture below. Volume lighting samples are everywhere around and abowe the roof.light only

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Did you check the lightmap resolution of the house or the roof part? If not can you try to adjust it by giving higher values?

Here is the tab that you can find the setting. alt text

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answered Jun 09 '17 at 05:06 PM

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KemalGunel89
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avatar image krecik000 Jun 09 '17 at 06:03 PM

I did it by changing option which you see on the screen. I tried 64 and 512px but color still is there. I tried also higher quality setup of lightmass in World Setting but only what I achieve by that is more detailed border of color area. Btw. that is how lightmap UVs looks like. but I don't think it's because of wrong UVs. alt text

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