gimp 2.7.5 on winXP, unfortunately. New hardware problems on my freebsd
system. grr. Anyway...
Why won't the gimp allow me to use a difference of gaussians on a layer
mask? This seems like a perfectly fine thing to do for edge detection,
and indeed, other edge-detect algorithms work:
New layer mask, from grayscale copy of layer
Filters / edge-detect / difference of gaussians says:
Execution error for 'Difference of Gaussians':
Can operate on layers only (but was called on channel or mask).
Filters / edge-detect / Edge...
Is this a bug, or am I missing something?
Any insights would be appreciated,
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