List of Subroutines:

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

! draws a horizontal color range


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

! draws a vertical color range


• palette_redblue z

! a custom palette ranging from blue over white to red


• set_shade_gray_palette_fade fade



• sgp_color z x



• shade_gray_palette z r g b

! r, g, b is the color of the gradient which will fade towards white