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NAME

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

SYNOPSIS

       plscolbga(r, g, b, a)

DESCRIPTION

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

       This function is used in example 31.

ARGUMENTS

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

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

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

       a (PLFLT, input)
              double value (0.0-1.0) representing the alpha value of the color.

AUTHORS

       Geoffrey Furnish and Maurice  LeBrun  wrote  and  maintain  PLplot.   This  man  page  was
       automatically generated from the DocBook source of the PLplot documentation, maintained by
       Alan W. Irwin and Rafael Laboissiere.

SEE ALSO

       PLplot documentation at http://plplot.sourceforge.net/resources.

                                          February, 2012                       PLSCOLBGA(3plplot)