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Working with Large scales

Community Beginner ,
Feb 17, 2023 Feb 17, 2023

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Workflow question. What is the best aproach when texturing large objects like terrains. I am always having the issue where I use a material and I tile it to get the scale correct but then I start seeing the tiling. To combat this I usually copy the layer and mask with a different noise which helps but is a bit laborious. For example I am trying to texture a pyramid like buildng which is 50 meters but I am struggling to get the scale corret.

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Adobe Employee ,
Feb 17, 2023 Feb 17, 2023

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Hi @dubtronics,

 

Thanks for your message, this is an interesting question.

 

Unfortunately, the tilling is always the problem while working with large scales. You can sometimes find a material that is already made for large scales, but this is uncommon. 

 

You could create a material yourself specificly for you need, from scratch (with Substance 3D Designer) or by mixing multiple materials/generators/filters with Substance 3D Sampler.

 

But you may also try to hide your tiling directly in your Substance 3D Painter project.

For example, you could add a brick material to the pyramid, tile it until it looks good and, on top of it, add a sand material that you would paint only on certain parts. This way, the tiling of the bricks would be a little bit hidden by the sand material.

 

You could also simply add a variation of your map with a noise mask.

 

Tiling.png

 

Tiling+Variation.png

 

This looks like what you did with the different noises, but this is the most common workflow. 

 

I hope this will be helpfull and have a nice day.

 

 

 

 

 

 

Cyril Dellenbach (Micro) | QA Support Artist | Adobe

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Community Beginner ,
Feb 17, 2023 Feb 17, 2023

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Thanks,  some materials do work better than others I noticed. 

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Community Expert ,
Feb 17, 2023 Feb 17, 2023

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I do one of two things depending on the circumstances and how close the large terrain will appear in the render.

 

Option 1 :

Create the material for the surface in Substance Painter and tile it within Painter. Then I add additional layers of grunge and dirt with either no tiling or at least a different tile scale to the basic material. That way the repetition of tiling is somewhat hidden. I export the finished painted texture maps to apply to the model. I would use this for a building with repeated patterns such as the pyramid you mention.

 

Option 2

I create several square tiles of similar materials but with variations. I then export those squares and tile those on the surface in my rendering app using random rotations and generated masks with non straight edges to break up the edges. This can work really well on natural terrains such as mountains or hills, particularly when mixed with other such material blends, e.g one for rocks, one for grass etc. It has the advantage that the surface texel density exceeds by far the 8192 x 8192 of a single tile.

 

Dave

 

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Community Beginner ,
Feb 17, 2023 Feb 17, 2023

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Thank you option 2 sounds interesting, so just make some tileable textures and use them in 3d app?

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Community Expert ,
Feb 19, 2023 Feb 19, 2023

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Yes that is how I texture this kind of terrain. The pier is textured using option 1, the mountains and slopes using option 2 (note the snow, rocks and grass etc are also separated using masks generated in World Creator).

 

SFTW163Lake_in_Mountains.jpg

 

2023-02-19_21-20-34.jpg

 

Dave

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