%Script to create a series of colormaps
rampup = [ 0 : 0.05 : 1.0 ]';
rampdown = 1.0 - rampup;
one = ones( size( rampup ) );
zero = zeros( size( one ));
rwb = [ rampup rampup one ; one rampdown rampdown ];
fire = [ rampup zero zero; one rampup zero ; one one rampup ];
blues = [ zero zero rampup; zero rampup one; rampup one one ];
greens  = [ zero rampup zero; rampup one zero; one one rampup ];