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NAME
       plgcolbga - Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value


SYNOPSIS
       plgcolbga(r, g, b, alpha)


DESCRIPTION
       Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value.

       This function is used in example 31.


ARGUMENTS
       r (PLINT_NC_SCALAR(3plplot), output)
              Returned value of the red intensity in the range from 0 to 255.

       g (PLINT_NC_SCALAR(3plplot), output)
              Returned value of the green intensity in the range from 0 to 255.

       b (PLINT_NC_SCALAR(3plplot), output)
              Returned value of the blue intensity in the range from 0 to 255.

       alpha (PLFLT_NC_SCALAR(3plplot), output)
              Returned value of the alpha transparency in the range (0.0-1.0).


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


SEE ALSO
       PLplot documentation at http://plplot.sourceforge.net/documentation.php.

                                                 November, 2017                               PLGCOLBGA(3plplot)