ppmcolormask - produce mask of areas of a certain color in a PPM file

ppmcolormask

-color=color_list

[ppmfile]

Obsolete:

ppmcolormask

color

[ppmfile]

<code>
    ppmcolormask -color red testimg.ppm >redmask.pbm
    pamcomp background.ppm testimg.ppm -alpha=redmask.pbm >test.ppm

    ppmcolormask -color=red,pink,salmon testimg.ppm >reddishmask.pbm

    ppmcolormask -color=bk:red,bk:orange,bk:yellow testimg.ppm >firemask.pbm

</code>