
plscmap0a: Set color map0 colors by 8-bit RGB values and  double alpha value. 

DESCRIPTION:

    This function is used in examples 30. 

SYNOPSIS:

plscmap0(r, g, b, a, ncol0)

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 PLFLT values (0.0
    - 1.0) representing the transparency of the color. 

    ncol0 (PLINT, input) :    Number of items in the r, g, b, and a
    arrays. 
