From 5843ac2baf1f832e32bbbd5b52f5325583e6b883 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Wed, 14 Dec 2016 11:26:17 +0100 Subject: doc: illuminants MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- doc/info/chap/illuminants.texinfo | 113 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 doc/info/chap/illuminants.texinfo (limited to 'doc/info/chap') diff --git a/doc/info/chap/illuminants.texinfo b/doc/info/chap/illuminants.texinfo new file mode 100644 index 0000000..e99f671 --- /dev/null +++ b/doc/info/chap/illuminants.texinfo @@ -0,0 +1,113 @@ +@node Illuminants +@chapter Illuminants + +@command{libcolour} provides a number of initialisers +macros for standard illuminants. The following macros +expand to a @code{libcolour_ciexyy_t} with the standard +2 degrees observer value in CIE xyY, each have a +supplementary 10 degrees observer counterpart using +suffix @code{_10DEG_OBS}, both with the Y value set +to 1. + +@table @code +@item LIBCOLOUR_ILLUMINANT_A +CIE Standard Illuminant A.@* +Incandescent/Tungsten.@* +2855.54 K (2848 K in old definition of 1 K). + +@item LIBCOLOUR_ILLUMINANT_B +CIE Standard Illuminant B.@* +Direct sunlight at noon (obsolete).@* +4874 K. + +@item LIBCOLOUR_ILLUMINANT_C +CIE Standard Illuminant C.@* +Average/north sky daylight (obsolete).@* +6774 K. + +@item LIBCOLOUR_ILLUMINANT_D50 +CIE Standard Illuminant D50.@* +Horizon Light.@* +5002.78 K (5000 K in old definition of 1 K). + +@item LIBCOLOUR_ILLUMINANT_D55 +CIE Standard Illuminant D55.@* +Mid-morning/mid-afternoon daylight.@* +5503.06 K (5500 K in old definition of 1 K). + +@item LIBCOLOUR_ILLUMINANT_D65 +CIE Standard Illuminant D65.@* +Noon daylight.@* +6503.62 K (6500 K in old definition of 1 K). + +@item LIBCOLOUR_ILLUMINANT_D75 +CIE Standard Illuminant D75.@* +North sky daylight.@* +7504.17 K (7500 K in old definition of 1 K). + +@item LIBCOLOUR_ILLUMINANT_E +CIE Standard Illuminant E.@* +Equal energy.@* +5454 K. + +@item LIBCOLOUR_ILLUMINANT_F1 +CIE Standard Illuminant F1.@* +Daylight fluorescent.@* +6430 K. + +@item LIBCOLOUR_ILLUMINANT_F2 +CIE Standard Illuminant F2.@* +Cool white fluorescent.@* +4230 K. + +@item LIBCOLOUR_ILLUMINANT_F3 +CIE Standard Illuminant F3.@* +White fluorescent.@* +3450 K. + +@item LIBCOLOUR_ILLUMINANT_F4 +CIE Standard Illuminant F4.@* +Warm white fluorescent.@* +2940 K. + +@item LIBCOLOUR_ILLUMINANT_F5 +CIE Standard Illuminant F5.@* +Daylight fluorescent.@* +6350 K. + +@item LIBCOLOUR_ILLUMINANT_F6 +CIE Standard Illuminant F6.@* +Lite white fluorescent.@* +4150 K. + +@item LIBCOLOUR_ILLUMINANT_F7 +CIE Standard Illuminant F7.@* +D65 simulator, daylight simulator.@* +6500 K. + +@item LIBCOLOUR_ILLUMINANT_F8 +CIE Standard Illuminant F8.@* +D50 simulator, Sylvania F40 Design 50.@* +5000 K. + +@item LIBCOLOUR_ILLUMINANT_F9 +CIE Standard Illuminant F9.@* +Cool white deluxe fluorescent.@* +4150 K. + +@item LIBCOLOUR_ILLUMINANT_F10 +CIE Standard Illuminant F10.@* +Philips TL85, Ultralume 50.@* +5000 K. + +@item LIBCOLOUR_ILLUMINANT_F11 +CIE Standard Illuminant F11.@* +Philips TL84, Ultralume 40.@* +4000 K. + +@item LIBCOLOUR_ILLUMINANT_F12 +CIE Standard Illuminant F12.@* +Philips TL83, Ultralume 30.@* +3000 K. + +@end table -- cgit v1.2.3-70-g09d2