NAME

       plscolbga  -  Set  the  background  color  by 8-bit RGB value and PLFLT alpha transparency
       value.

SYNOPSIS

       plscolbga(r, g, b, alpha)

DESCRIPTION

       Set the background  color  (color  0  in  cmap0)  by  8-bit  RGB  value  and  PLFLT  alpha
       transparency value (see the PLplot documentation).

       This function is used in example 31.

ARGUMENTS

       r (PLINT(3plplot), input)
              Unsigned 8-bit integer (0-255) representing the degree of red in the color.

       g (PLINT(3plplot), input)
              Unsigned 8-bit integer (0-255) representing the degree of green in the color.

       b (PLINT(3plplot), input)
              Unsigned 8-bit integer (0-255) representing the degree of blue in the color.

       alpha (PLFLT(3plplot), input)
              Value of the alpha transparency in the range (0.0-1.0).

AUTHORS

       Many  developers  (who  are credited at http://plplot.org/credits.php) have contributed to
       PLplot over its long history.

SEE ALSO

       PLplot documentation at http://plplot.org/documentation.php.

                                          February, 2023                       PLSCOLBGA(3plplot)