potential bug in -verbose info for transparency
Posted: 2010-04-16T13:23:03-07:00
IM 6.6.1-3 Q16 Mac OSX Tiger
convert logo: -transparent white logo.gif
convert logo: -transparent white logo.png
convert logo: -transparent white logo.bmp
convert logo: -transparent white logo.tif
Looking at identify -verbose info: on each image shows:
Alpha:
min: 255 (1)
max: 0 (0)
mean: 44.6997 (0.175293)
standard deviation: 96.9555 (0.380217)
kurtosis: 0.917287
skewness: -1.70801
This seems backwards to me for alpha and for opacity. Min should be 0 and max should be 255(1)
convert logo: -transparent white logo.gif
convert logo: -transparent white logo.png
convert logo: -transparent white logo.bmp
convert logo: -transparent white logo.tif
Looking at identify -verbose info: on each image shows:
Alpha:
min: 255 (1)
max: 0 (0)
mean: 44.6997 (0.175293)
standard deviation: 96.9555 (0.380217)
kurtosis: 0.917287
skewness: -1.70801
This seems backwards to me for alpha and for opacity. Min should be 0 and max should be 255(1)