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Multiple unwraps on one model

Hello everyone! Can you please explain me how to add to my model several unwrap textures? I decided to do such thing - I created a model, added several Material IDs to polygons I needed to be different, than I created several unwraps for those polygons, after that I created a unique texture for each Material ID group, but in the end in didn't work! How can I make several unwraps for different polygons for different types of materials?

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asked Feb 19 '15 at 09:28 PM in Using UE4

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tonytwaine
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It's a bit hard to judge from here but it sounds like you missed something along the process. You may have overlooked any of the following... Make sure your model is divided into different elements for each material. Unreal needs a collection of meshes for you to be able to apply different mats - connected polygons cannot have multiple textures unless you alpha blend them or use some other technique.

Example:

Building A has three sections. Walls with brick texture. Rooftop section with rooftile textures. Etc.

Each section has its uv info from channel 1, your lightmap (if you have any) can be placed in channel 2 but can in some cases be generated in UE. You complete your model and export the whole selection. Import and select combine meshes. Now in the editor you will see three material slots for your bricks, roofile and floor mats... :) I hope this might solve your issue.

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answered Feb 28 '15 at 03:01 AM

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MauroRobert
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avatar image tonytwaine Mar 01 '15 at 09:40 PM

Thank you very much, it helped me :)

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Please help me, it's very inportant

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answered Feb 20 '15 at 01:18 PM

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tonytwaine
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