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[BUG] Landscape has dents

I generated a landscape using a height map I made, and the resulting landscape has dents in it. These dents are not in the original mesh I used to generate a height map and they are not in the height map itself. I have no idea why they are showing up on the landscape. They appear mostly in a grid like pattern. There is no material applied to the landscape so it's not from a normal map either. If you know how I can fix this please let me know. Thanks!alt text

Product Version: UE 4.18
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asked Nov 02 '17 at 03:31 PM in Bug Reports

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Tye167
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avatar image Jon X ♦♦ STAFF Nov 02 '17 at 05:26 PM

Hi Tye167,

Can you post the height map you are using so I can try to reproduce this issue on my end?

avatar image Tye167 Nov 02 '17 at 05:37 PM

Its a large height map and the file size is too big to post is there anyway I can email it to you or something?

avatar image Jon X ♦♦ STAFF Nov 02 '17 at 05:43 PM

Are you able to compress it into a zip file and put it on Dropbox or Google Drive?

avatar image Tye167 Nov 02 '17 at 05:55 PM
avatar image Tye167 Nov 02 '17 at 06:18 PM

Were you able to replicate it?

avatar image Jon X ♦♦ STAFF Nov 02 '17 at 08:30 PM

Yes, I used your heightmap and I do see the dotted identations all over the landscape. Like you said, they appear in straight lines, as shown in the images below: alt text alt text alt text

My first thought was maybe there were some dark pixels in the heightmap causing the issue but I wasn't able to see anything unusual so I am going to have to consult a subject matter expert and get back to you.

heightmap01.jpg (197.1 kB)
heightmap02.jpg (175.9 kB)
heightmap03.jpg (429.3 kB)
avatar image Tye167 Nov 02 '17 at 09:52 PM

Thanks! Let me know what you find out.

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Hi,

The dots are in your heightmap file. They are only off by a single color value so you need to adjust the brightness/contrast before you can see them. Looking at the heightmap in paint.net adjusted as show below, I can clearly see the row of dots along the Y=470 line:

dots

Cheers Jack

heightmapdots.png (142.0 kB)
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answered Nov 03 '17 at 07:23 AM

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JackP STAFF
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