at_line
Arguments:
- x0[%],y0[%],z0[%],x1[%],y1[%],z1[%]
Description:
Retrieve pixels of the selected images belonging to the specified line (x0,y0,z0)-(x1,y1,z1).
Example of use:
$ gmic
image.jpg +at_line 0,0,0,100%,100%,0 line[0] 0,0,100%,100%,1,0xFF00FF00,255,0,0

Command:
image.jpg +at_line 0,0,0,100%,100%,0 line[0] 0,0,100%,100%,1,0xFF00FF00,255,0,0

Command:
image.jpg +at_line 0,0,0,100%,100%,0 line[0] 0,0,100%,100%,1,0xFF00FF00,255,0,0