Julia functions to plot colorful maps in the terminal.
You should use a terminal emulator that supports 256 colors, for example iTerm for MacOSX or Konsole on Ubuntu.
imageterm(x,optional arguments...)
here x is a 2d array. The following optional arguments are currently supported:
col=heatscale/diffscale/bluescale/redscale/greenscale/greyscale
picks the colorbar.
missval=1.0e32
defines which values are marked as missing and will get a special missval color.
hd=true/false
determines the resolution (1 pixel per line for false, 2 pixels per line for true).