LAB cla note

LAB Curves:.: Instead of Red, Green, and Blue, LAB Curves are L-Lightness, a–Red/Green and b–Blue/Yellow. Simple moves in the a or b channel Cuves can quickly enhance specific colors in specific directions. Similarly the L Curve only affects the tone of the image without altering the color content.

Printline: How Trail

GNU makes it easier in every way. For those of you tracking the progress of the Perfect Print-er, this link gives an easy generator for command line generation.

Gengetopt is tool to generate C code to parse command line arguments..