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[Max] I need help! / Re: Error 198 - All Licences are in us (2) but we have purchased 3
« on: 2023-05-24, 17:04:10 »
Thank you Maru! - I've put the ticket number below for you:
#119990
#119990
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Oddly enough, the issue turns to be in the terminator handling that Corona uses to combat shadow terminator issue. If you turn terminator handling off, this will fix your shading issue completely. You can find terminator settings in render settings, dev/debug rollout. Mind you, that if you chose to turn this setting off, you will need to watch your scene for unwanted shadow terminator artifacts.
Alternatively, you can improve your mesh topology by adding more geometry where the artifacts shows. I did this with the chamfer modifier and got significantly improved results with only marginal increase in polycount. Attaching some pictures for comparison and the scene with the fix. Notice that fixed mesh looks arguably better than original with 3 iterations of turbosmooth, which adds over 5 million triangles to the scene. Bear in mind that the lighting is deliberately set up to show artifacts as bad as possible. With more normal lighting setup, the issue should be almost completely invisible.
The problem is the slight shadowing or the black edges on the smaller geometry?
If your problem is that adding a Turbosmooth mod produces those black edges, what happens if you check on/off 'explicit normals' in the modifier? Is it looking better when using a Meshsmooth modifier instead of Turbosmooth?
Thank you for the speedy responses guys, unfortunetly none of those worked. I've instead settled for pushing the turbosmooth iterations to 3, issue is still there but less obvious.
Did you check for presence of not welded, or overlapping vertices?