I'm new to the 3D world so this question may seem silly to most of you. I'm trying really hard to understand photorealistic texturing (specifically for plants/trees). I have watched videos from gnomon workshop detailing how to create the plants, trees, etc. I feel like I have a basic understanding of the concept of scanning/creating my own leaf textures but I've run into a problem. The tutorials explain how to set up the uv's (using a mel script) so that you can use a 2x2, 3x3 or 4x4 diffuse map to add variety to your leaves in paintFx. I've been successful with that so I decided to check out megascans for some better quality leaf scans. When I downloaded some of them, I noticed that the maps aren't broken up into distinct quadrants like I had been making. They are just all bunched together in the 0-1 space. Maybe it's a stupid question but I'm really having a hard time understanding how to use the leaf scans from megascans. I also can't seem to get the ground textures to look good either (definitely not like the stuff I'm seeing other people create)...but I guess I'll worry about that another day. Any advice or suggested websites to help would be greatly appreciated. I've tried searching google but can't find a "detailed" explanation of how to use the downloaded leaf scans.
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