If you reduce it to 1 the shape is generated with full resolution directly without interpolation. If someone wants to test: in src/develop/masks/circle.c look for constant mesh. This can lead to the described aliasing artifacts. In order to reduce memory overhead and for better performance intermediate mask shapes are generated with a reduced resolution and then interpolated. Difficult to track down.Ĭoncerning (2): that's probably quite easy. Maybe a rounding error somewhere in roi calculation. in the following posts: uneven borders of masksĬoncerning (1): looks a lot like a coordinate mismatch along the pixelpipe.in the first post: mask elements shifted or completely distorted.
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