User Guide: Optimize

Lock All/Clear/Swap: Change the locked status of all flattened shells. Locked shells can't be accidentally flattened, cut, welded or edited in any other way; they can only be moved, rotated and scaled. Use the L hotkey to toggle individual shells, or to box select a group of shells.

Run For: Click on Run For to continuously flatten picked shells until they don't change any more, or until the timer runs out. If no shells are picked, all unlocked shells are optimized. You can increase the mins value to give it more minutes on complex meshes.

Map Rez: Change the Map Rez setting so that UVLayout knows the pixel resolution of the map that you will be using with these UVs, and it'll use that to work out when to stop flattening a shell; if the change is less than a pixel, there's no need to optimize further. You can cheat here though, so if you want a less accurate but faster optimize, reduce the Map Rez setting.

 ; Map Rez : Change the '''Map Rez''' setting so that UVLayout knows the pixel resolution of the map that you will be using with these UVs, and it'll use that to work out when to stop flattening a shell; if the change is less than a pixel, there's no need to optimize further. You can cheat here though, so if you want a less accurate but faster optimize, reduce the '''Map Rez''' setting.
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