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, input)
22              Red intensity (0.0-1.0) of the colour
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24       g (PLFLT, input)
25              Green intensity (0.0-1.0) of the colour
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27       b (PLFLT, input)
28              Blue intensity (0.0-1.0) of the colour
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30       p_h (PLFLT *, output)
31              Pointer to hue, in degrees on the colour cone (0.0-360.0)
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33       p_l (PLFLT *, output)
34              Pointer to lightness, expressed as a fraction of the axis of the
35              colour cone (0.0-1.0)
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37       p_s (PLFLT *, output)
38              Pointer  to saturation, expressed as a fraction of the radius of
39              the colour cone (0.0-1.0)
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AUTHORS

43       Geoffrey Furnish and Maurice LeBrun wrote and  maintain  PLplot.   This
44       man  page  was  automatically  generated from the DocBook source of the
45       PLplot  documentation,  maintained  by  Alan  W.   Irwin   and   Rafael
46       Laboissiere.
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SEE ALSO

49       PLplot documentation at http://plplot.sourceforge.net/resources.
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53                                  March, 2007                PLRGBHLS(3plplot)
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