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Skeletal mesh LODs import problem

Hello! When attempting to import Skeletal Mesh LOD's as in this **tutorial**

The engine also imports original hi-res mesh in addition to lo-poly LOD1

Here is how "original mesh" LOD0 looks like

alt text

And here LOD1

alt text

As you can see it contains both meshes, section 0 is lo-poly LOD1 and section 1 is original hi-poly mesh

Here is how LOD1 must look like

alt text

And here is what I get

alt text

Tried many different ways to manage this issue but every time I get the same result. Please help.

Product Version: UE 4.18
lod0.jpg (59.4 kB)
lod1.jpg (57.0 kB)
lod-b.jpg (296.8 kB)
lod-a.jpg (398.3 kB)
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asked Jun 24 '18 at 02:20 PM in Using UE4

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1 answer: sort voted first

LOD0 screen size should be bigger than LOD1, yet it's 0.0

Example of screen size values:

LOD0 - 1.0

LOD1 - 0.3

LOD2 - 0.1

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answered Jun 24 '18 at 02:46 PM

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Felix Leonhart
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avatar image Felix Leonhart Jun 24 '18 at 02:48 PM

Also when exporting from your 3d editor you need to check "only selected" (in blender, 3ds should have a similar option) to prevent the hires model from being exported

avatar image newnew Jun 24 '18 at 06:02 PM

Thank you for the reply.

Yes, I tweaked screen size and LOD's are now working. I've made 0.5

But it still loads original mesh in addition to LOD1

alt text

And if I export LOD1 mesh only, the engine fails to import LODs in persona editor. That tutorial I gave above says that Level of Detail utility should contain both meshes hires and LOD1 in order to work.

Somehow it doesn't understand that original mesh is not a LOD section or whatever.

avatar image Felix Leonhart Jun 24 '18 at 06:16 PM

LOD0 fbx is the main model. It should contain the highpoly model and the skeleton on export. LOD1 fbx should contain lowpoly model with the skeleton. No highpoly model should be in there

Even in the guide it's written: Select the Group(s) of meshes that comprise the LOD Set and the bones to be exported.

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