ONEBAND(6D)ONEBAND(6D)NAMEoneband - get a single band of an image
SYNOPSISoneband inimage.rgb outimage.bw band
DESCRIPTIONoneband extracts a single band of a color image. Normally band should be
a number in the range [0...3]. Band 0 is the red part of and RGB image,
while band 1 and 2 are the green and blue bands. Band 3 potentially
represents alpha.
SEE ALSOcglue(6D)
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