display_histogram
Arguments:
- _width>=0,_height>=0,_clusters>0,_min_value[%],_max_value[%],_show_axes={ 0 | 1 },_expression.
Description:
Render a channel-by-channel histogram.
If selected images have several slices, the rendering is performed for all input slices.
expression is a mathematical expression used to transform the histogram data for visualization purpose.
(equivalent to shortcut command dh).
if specified
width or
height is
0, then image size is set to half the screen size.
Default values:
width=0, height=0, clusters=256, min_value=0%, max_value=100%, show_axes=1 and expression=i.
Example of use:

Command:
image.jpg +display_histogram 512,300

Command:
image.jpg +display_histogram 512,300