spectralMap

                    _             _ __  __
 ___ _ __   ___  ___| |_ _ __ __ _| |  \/  | __ _ _ __
/ __| '_ \ / _ \/ __| __| '__/ _` | | |\/| |/ _` | '_ \
\__ \ |_) |  __/ (__| |_| | | (_| | | |  | | (_| | |_) |
|___/ .__/ \___|\___|\__|_|  \__,_|_|_|  |_|\__,_| .__/
    |_|                                           |_|