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

6       plrgbhls - Convert RGB color to HLS
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SYNOPSIS

9       plrgbhls(r, g, b, p_h, p_l, p_s)
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DESCRIPTION

12       Convert RGB color coordinates to HLS
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14       Redacted  form: General: plrgbhls(r, g, b, p_h, p_l, p_s) Perl/PDL: Not
15       available? Implemented as plrgb/plrgb1?
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18       This function is used in example 2.
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ARGUMENTS

21       r (PLFLT(3plplot), input)
22              Red intensity (0.0-1.0) of the color.
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24       g (PLFLT(3plplot), input)
25              Green intensity (0.0-1.0) of the color.
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27       b (PLFLT(3plplot), input)
28              Blue intensity (0.0-1.0) of the color.
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30       p_h (PLFLT_NC_SCALAR(3plplot), output)
31              Returned value of the hue in degrees (0.0-360.0)  on  the  color
32              cylinder.
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34       p_l (PLFLT_NC_SCALAR(3plplot), output)
35              Returned   value  of  the  lightness  expressed  as  a  fraction
36              (0.0-1.0) of the axis of the color cylinder.
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38       p_s (PLFLT_NC_SCALAR(3plplot), output)
39              Returned  value  of  the  saturation  expressed  as  a  fraction
40              (0.0-1.0) of the radius of the color cylinder.
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AUTHORS

44       Many    developers   (who   are   credited   at   http://plplot.source‐
45       forge.net/credits.php) have contributed to PLplot over  its  long  his‐
46       tory.
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SEE ALSO

49       PLplot    documentation   at   http://plplot.sourceforge.net/documenta‐
50       tion.php.
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54                                 August, 2017                PLRGBHLS(3plplot)
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