focal (3) plscolbga.3plplot.gz

Provided by: plplot-doc_5.15.0+dfsg-12ubuntu1_all bug

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, 2020                               PLSCOLBGA(3plplot)