Average color/lightness over line/polygon/other_figure

[MadAlex]

Is it possible to calculate within imagemagick?
I haven't found nothing

[fmw42]

For a simple calculator:

see http://www.imagemagick.org/Usage/transform/#fx and http://www.imagemagick.org/script/fx.php

Code: Select all

convert xc: -format "%[fx:2*5]\n" info:

10

[fmw42]

To compute the average over a region, see http://www.fmwconcepts.com/imagemagick/ ... shape_mean

[fmw42]

For a new user, please read viewtopic.php?f=1&t=9620