1PLSCOL0A(3plplot)                 PLplot API                 PLSCOL0A(3plplot)
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NAME

6       plscol0a  - Set 8-bit RGB values and PLFLT alpha transparency value for
7       given cmap0 color index
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SYNOPSIS

10       plscol0a(icol0, r, g, b, alpha)
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DESCRIPTION

13       Set 8-bit RGB value and PLFLT alpha transparency value for given  cmap0
14       (see  the  PLplot  documentation) index.  Overwrites the previous color
15       value for the given index and, thus, does not result in any  additional
16       allocation of space for colors.
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18       This function is used in example 30.
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ARGUMENTS

21       icol0 (PLINT(3plplot), input)
22              Color  index.   Must  be  less than the maximum number of colors
23              (which is set by default,  by  plscmap0n(3plplot),  or  even  by
24              plscmap0(3plplot)).
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26       r (PLINT(3plplot), input)
27              Unsigned 8-bit integer (0-255) representing the degree of red in
28              the color.
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30       g (PLINT(3plplot), input)
31              Unsigned 8-bit integer (0-255) representing the degree of  green
32              in the color.
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34       b (PLINT(3plplot), input)
35              Unsigned  8-bit  integer (0-255) representing the degree of blue
36              in the color.
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38       alpha (PLFLT(3plplot), input)
39              Value of the alpha transparency in the range (0.0-1.0).
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AUTHORS

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

47       PLplot documentation at http://plplot.org/documentation.php.
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51                                 August, 2021                PLSCOL0A(3plplot)