
plscmap1a: Set color map1 colors using 8-bit RGB values and double alpha values. 

DESCRIPTION:

    This function is used in example 31. 

SYNOPSIS:

plscmap1(r, g, b, a, ncol1)

ARGUMENTS:

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

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

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

    a (PLFLT *, input) :    Pointer to array with set of double values
    (0.0-1.0) representing the alpha value of the color. 

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