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Changing LOD distances? LODs and foliage?

I have three LODs. The highest LOD only kicks in when I'm really close. I assume this is because it takes up most of the screen space.

How can I change the LODs so they switch based on distance? I.e The LODs only scroll when they are in the distance?

Also my LODs don't work when I use them with the foliage brush. alt text

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asked Aug 26 '14 at 06:05 PM in Using UE4

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Crofty
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avatar image uruskan Jun 09 '17 at 12:39 PM

When i change something in lod and press apply unreal opens an progress bar and stucks forever

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Hi Crofty,

To edit the LOD distance, open the asset in the StaticMesh editor. Under the LOD Settings, disable AutoComputeLODDistance. You can then adjust the LOD ScreenSize to change the distance.

As for LOD's and foliage, this is a known issue that our developers are currently looking into. It should however still work but at different distances than the StaticMesh version. Play around with the ScreenSize setting to see if you experience this the same way. As a workaround, you could create a copy of the StaticMesh asset with different setting to use for foliage.

Thanks, TJ

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answered Aug 26 '14 at 06:56 PM

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TJ V ♦♦ STAFF
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avatar image Crofty Aug 27 '14 at 08:05 AM

Hi TJ,

Thanks for the reply,

Is is standard practice to go down to decimals as low as 0.005 to get the results I want?

avatar image TJ V ♦♦ STAFF Aug 27 '14 at 01:17 PM

Yeah, it's fine. Think of it more as a percent. If 1.0 = 100% then 0.005 would be 1/2%.

avatar image manuaganu Jun 23 '16 at 02:29 PM

Hello,

Right now I have used LOD using screenspace. But When my object is behind another object and it is only half visible,then LOD is not working properly.

I mean it calculating only visible area..

Is there any solution for it?

avatar image KernalPanic Aug 30 '16 at 07:18 AM

I am also interested in finding a solution to this.

avatar image TJ V ♦♦ STAFF Aug 31 '16 at 05:23 PM

Hello,

Are you seeing this LOD screenspace issue with LOD's in general or LOD's on foliage applied with the Foliage Tool?

avatar image KernalPanic Aug 31 '16 at 05:40 PM

It appears to be affecting LOD's for foliage only. I have tried several models with the same issue.

avatar image TJ V ♦♦ STAFF Sep 01 '16 at 08:10 PM

I tested this and it seems to be working on my end. However my LODs may not be setup exactly the same. Would you be willing to post a small test project and repro steps?

avatar image KernalPanic Sep 01 '16 at 08:15 PM

you beat me to the post. I reimported the exports from speedtree and the LOD's appear to be working properly again. I think I done goofed and didn't have the asset files checked out in source control as the files were locked. Once i checked the files out and reimported the changes took and my LOD are properly working once again. Thanks for your help.

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