
plscmap1: Set cmap1 colors using 8-bit RGB values 

DESCRIPTION:

    This function is used in example 31. 

SYNOPSIS:

plscmap1(r, g, b, ncol1)

ARGUMENTS:

    r (const PLINT *, input) :      Pointer to array with set of unsigned
    8-bit integers (0-255) representing the degree of red in the
    color. 

    g (const PLINT *, input) :      Pointer to array with set of unsigned
    8-bit integers (0-255) representing the degree of green in the
    color. 

    b (const PLINT *, input) :      Pointer to array with set of unsigned
    8-bit integers (0-255) representing the degree of blue in the
    color. 

    ncol1 (PLINT, input) :    Number of items in the r, g, and b arrays. 
