color.gle

Color subroutines

sub color_range_horizontal zmin zmax zstep palette$ width height format$ pixels

draws a horizontal color range

sub color_range_vertical zmin zmax zstep palette$ width height format$ pixels

draws a vertical color range

sub palette_blue_white_red z

sub palette_blue_purple_red z

sub set_palette_shade_gray_fade fade

sub set_palette_shade_gray_color red green blue

sub sgp_color z x

sub palette_shade_gray z