Preventing Anti-aliasing (Photoshop)

If you have a hard edge in your gradient and you apply a filter or a transformation, the edge will usually blur as a result of the transformation. You can prevent this from happening. Open the General Preferences dialog (File -> Preferences -> General...). Under Interpolation, select "Nearest Neighbor" from the popup. This will prevent Photoshop from mixing pixel values during transformations. You can now scale, deform, or apply a filter without any degradation.


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