Reference

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at_line

Arguments:

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