1PLSCOLBGA(3plplot)                PLplot API                PLSCOLBGA(3plplot)
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NAME

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

10       plscolbga(r, g, b, alpha)
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DESCRIPTION

13       Set the background color (color 0 in cmap0)  by  8-bit  RGB  value  and
14       PLFLT alpha transparency value (see the PLplot documentation).
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16       This function is used in example 31.
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ARGUMENTS

19       r (PLINT(3plplot), input)
20              Unsigned 8-bit integer (0-255) representing the degree of red in
21              the color.
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23       g (PLINT(3plplot), input)
24              Unsigned 8-bit integer (0-255) representing the degree of  green
25              in the color.
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27       b (PLINT(3plplot), input)
28              Unsigned  8-bit  integer (0-255) representing the degree of blue
29              in the color.
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31       alpha (PLFLT(3plplot), input)
32              Value of the alpha transparency in the range (0.0-1.0).
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AUTHORS

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

40       PLplot documentation at http://plplot.org/documentation.php.
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44                                 January, 2023              PLSCOLBGA(3plplot)