plhlsrgb.3plplot man page

plhlsrgb — Convert HLS color to RGB


plhlsrgb(h, l, s, p_r, p_g, p_b)


Convert HLS color coordinates to RGB.

Redacted form: General: plhlsrgb(h, l, s, p_r, p_g, p_b) Perl/PDL: Not available? Implemented as plhls?

This function is used in example 2.


h (PLFLT, input)
Hue, in degrees on the colour cone (0.0-360.0)
l (PLFLT, input)
Lightness, expressed as a fraction of the axis of the colour cone (0.0-1.0)
s (PLFLT, input)
Saturation, expressed as a fraction of the radius of the colour cone (0.0-1.0)
p_r (PLFLT *, output)
Pointer to red intensity (0.0-1.0) of the colour
p_g (PLFLT *, output)
Pointer to green intensity (0.0-1.0) of the colour
p_b (PLFLT *, output)
Pointer to blue intensity (0.0-1.0) of the colour


Many developers (who are credited at http://plplot.sourceforge.net/credits.p…) have contributed to PLplot over its long history.

See Also

PLplot documentation at http://plplot.sourceforge.net/documenta….


PLplot API August, 2015