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truecats

Rendering Heightfield Terrain Workflow for Arnold etc

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Hello all,

I created a 4k x 4k terrain of a desert landscape and rendering with arnold.  I am able to render displacement correctly on a plane.  From a distance, this looks great, but I need to render from a human POV.My problem begins when I add RDT (realdisplacement textures - seamless maps) to add detail to the ground, I have to tile it 500x (using UV Transform arnold node).  My next step was to create a 1k x1k terrain for the foreground detail, but that's still not giving me enough detail.
This workflow isn't working well for me.  Any tips on how to manage textures on such a massive surface?   

 

Thanks for any help!

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Digging a little deeper, I'm now exploring UDIM tiling to see if I get more detail.  Hopefully that yields result.  I'll update if a success.

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