standard_deviation vs standard-deviation IM 6.8.7.4 Q16

[fmw42]

I was doing some testing between fx and string formats to see about consistent notation. The documentation says that for fx one needs maxima, minima and standard_deviation. And for string formats it says max, min and standard-deviation. It would appear that maxima and minima actually also work string formats. It would be nice if the string formats would also accept standard_deviation. I am willing to edit the docs if this can be done.

FX:

convert rose: -format "%[fx:maxima]\n" info:
1

convert rose: -format "%[fx:minima]\n" info:
0.0862745

convert rose: -format "%[fx:standard_deviation]\n" info:
0.233019


String Formats:

convert rose: -format "%[max]\n" info:
65535

convert rose: -format "%[maxima]\n" info:
65535

convert rose: -format "%[min]\n" info:
5654

convert rose: -format "%[minima]\n" info:
5654

convert rose: -format "%[standard-deviation]\n" info:
15270.9

convert rose: -format "%[standard_deviation]\n" info:
convert: unknown image property "%[standard_deviation]" @ warning/property.c/InterpretImageProperties/3367.

[dlemstra]

I just added standard_deviation, the next release of ImageMagick will include this. Please update the documentation.

[fmw42]

Both IM 6 and IM 7 docs are now updated. Should be available publicly by tomorrow at the latest.