histogram_cumul
Arguments:
- _nb_levels>0,_is_normalized={ 0 | 1 },_val0[%],_val1[%]
Description:
Compute cumulative histogram of selected images.
Default values:
nb_levels=256, is_normalized=0, val0=0% and val1=100%.
Example of use:
$ gmic
image.jpg +histogram_cumul 256 histogram[0] 256 display_graph 400,300,3

Command:
image.jpg +histogram_cumul 256 histogram[0] 256 display_graph 400,300,3

Command:
image.jpg +histogram_cumul 256 histogram[0] 256 display_graph 400,300,3