#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Luminous Efficiency Functions Spectral Power Distributions
==========================================================
Defines various luminous efficiency functions involved in spectral
computations.
The luminous efficiency data is in the form of a *dict* of
:class:`colour.colorimetry.spectrum.SpectralPowerDistribution` classes as
follows::
{'name': SpectralPowerDistribution, ..., 'name': SpectralPowerDistribution}
The following luminous efficiency functions are available:
- CIE 1924 Photopic Standard Observer [1]_
- Judd Modified CIE 1951 Photopic Standard Observer [1]_
- Judd-Vos Modified CIE 1978 Photopic Standard Observer [1]_
- CIE 1964 Photopic 10 Degree Standard Observer [2]_
- CIE 2008 2 Degree Physiologically Relevant LEF [3]_
- CIE 2008 10 Degree Physiologically Relevant LEF [3]_
- CIE 1951 Scotopic Standard Observer [1]_
See Also
--------
`Luminous Efficiency Functions IPython Notebook
<http://nbviewer.ipython.org/github/colour-science/colour-ipython/blob/master/notebooks/colorimetry/lefs.ipynb>`_ # noqa
Notes
-----
- The luminous efficiency functions are provided at 1 nm steps.
- The mesopic luminous efficiency function is calculated using the
*CIE 1924 Photopic Standard Observer* and
*CIE 1951 Scotopic Standard Observer* luminous efficiency functions with
the :func:`colour.colorimetry.lefs.mesopic_luminous_efficiency_function`
definition and the data from
:attr:`colour.colorimetry.dataset.lefs.MESOPIC_X_DATA`
attribute that defines weighting factors dependent on the photopic
luminance :math:`L_p`. [4]_
References
----------
.. [1] http://www.cvrl.org/lumindex.htm (Last accessed 19 April 2014)
.. [2] http://cvrl.ioo.ucl.ac.uk/cie.htm (Last accessed 24 February 2014)
.. [3] http://www.cvrl.org/lumindex.htm (Last accessed 19 April 2014)
.. [4] `Mesopic Weighting Function <http://en.wikipedia.org/wiki/Mesopic#Mesopic_weighting_function>`_ # noqa
(Last accessed 20 June 2014)
"""
from __future__ import division, unicode_literals
from colour.colorimetry import SpectralPowerDistribution
from colour.utilities import CaseInsensitiveMapping
__author__ = 'Colour Developers'
__copyright__ = 'Copyright (C) 2013 - 2014 - Colour Developers'
__license__ = 'New BSD License - http://opensource.org/licenses/BSD-3-Clause'
__maintainer__ = 'Colour Developers'
__email__ = 'colour-science@googlegroups.com'
__status__ = 'Production'
__all__ = ['PHOTOPIC_LEFS_DATA',
'PHOTOPIC_LEFS',
'SCOTOPIC_LEFS_DATA',
'SCOTOPIC_LEFS',
'LEFS',
'MESOPIC_X_DATA']
PHOTOPIC_LEFS_DATA = {
'CIE 1924 Photopic Standard Observer': {
360: 0.0000039170000,
361: 0.0000043935810,
362: 0.0000049296040,
363: 0.0000055321360,
364: 0.0000062082450,
365: 0.0000069650000,
366: 0.0000078132190,
367: 0.0000087673360,
368: 0.0000098398440,
369: 0.0000110432300,
370: 0.0000123900000,
371: 0.0000138864100,
372: 0.0000155572800,
373: 0.0000174429600,
374: 0.0000195837500,
375: 0.0000220200000,
376: 0.0000248396500,
377: 0.0000280412600,
378: 0.0000315310400,
379: 0.0000352152100,
380: 0.0000390000000,
381: 0.0000428264000,
382: 0.0000469146000,
383: 0.0000515896000,
384: 0.0000571764000,
385: 0.0000640000000,
386: 0.0000723442100,
387: 0.0000822122400,
388: 0.0000935081600,
389: 0.0001061361000,
390: 0.0001200000000,
391: 0.0001349840000,
392: 0.0001514920000,
393: 0.0001702080000,
394: 0.0001918160000,
395: 0.0002170000000,
396: 0.0002469067000,
397: 0.0002812400000,
398: 0.0003185200000,
399: 0.0003572667000,
400: 0.0003960000000,
401: 0.0004337147000,
402: 0.0004730240000,
403: 0.0005178760000,
404: 0.0005722187000,
405: 0.0006400000000,
406: 0.0007245600000,
407: 0.0008255000000,
408: 0.0009411600000,
409: 0.0010698800000,
410: 0.0012100000000,
411: 0.0013620910000,
412: 0.0015307520000,
413: 0.0017203680000,
414: 0.0019353230000,
415: 0.0021800000000,
416: 0.0024548000000,
417: 0.0027640000000,
418: 0.0031178000000,
419: 0.0035264000000,
420: 0.0040000000000,
421: 0.0045462400000,
422: 0.0051593200000,
423: 0.0058292800000,
424: 0.0065461600000,
425: 0.0073000000000,
426: 0.0080865070000,
427: 0.0089087200000,
428: 0.0097676800000,
429: 0.0106644300000,
430: 0.0116000000000,
431: 0.0125731700000,
432: 0.0135827200000,
433: 0.0146296800000,
434: 0.0157150900000,
435: 0.0168400000000,
436: 0.0180073600000,
437: 0.0192144800000,
438: 0.0204539200000,
439: 0.0217182400000,
440: 0.0230000000000,
441: 0.0242946100000,
442: 0.0256102400000,
443: 0.0269585700000,
444: 0.0283512500000,
445: 0.0298000000000,
446: 0.0313108300000,
447: 0.0328836800000,
448: 0.0345211200000,
449: 0.0362257100000,
450: 0.0380000000000,
451: 0.0398466700000,
452: 0.0417680000000,
453: 0.0437660000000,
454: 0.0458426700000,
455: 0.0480000000000,
456: 0.0502436800000,
457: 0.0525730400000,
458: 0.0549805600000,
459: 0.0574587200000,
460: 0.0600000000000,
461: 0.0626019700000,
462: 0.0652775200000,
463: 0.0680420800000,
464: 0.0709110900000,
465: 0.0739000000000,
466: 0.0770160000000,
467: 0.0802664000000,
468: 0.0836668000000,
469: 0.0872328000000,
470: 0.0909800000000,
471: 0.0949175500000,
472: 0.0990458400000,
473: 0.1033674000000,
474: 0.1078846000000,
475: 0.1126000000000,
476: 0.1175320000000,
477: 0.1226744000000,
478: 0.1279928000000,
479: 0.1334528000000,
480: 0.1390200000000,
481: 0.1446764000000,
482: 0.1504693000000,
483: 0.1564619000000,
484: 0.1627177000000,
485: 0.1693000000000,
486: 0.1762431000000,
487: 0.1835581000000,
488: 0.1912735000000,
489: 0.1994180000000,
490: 0.2080200000000,
491: 0.2171199000000,
492: 0.2267345000000,
493: 0.2368571000000,
494: 0.2474812000000,
495: 0.2586000000000,
496: 0.2701849000000,
497: 0.2822939000000,
498: 0.2950505000000,
499: 0.3085780000000,
500: 0.3230000000000,
501: 0.3384021000000,
502: 0.3546858000000,
503: 0.3716986000000,
504: 0.3892875000000,
505: 0.4073000000000,
506: 0.4256299000000,
507: 0.4443096000000,
508: 0.4633944000000,
509: 0.4829395000000,
510: 0.5030000000000,
511: 0.5235693000000,
512: 0.5445120000000,
513: 0.5656900000000,
514: 0.5869653000000,
515: 0.6082000000000,
516: 0.6293456000000,
517: 0.6503068000000,
518: 0.6708752000000,
519: 0.6908424000000,
520: 0.7100000000000,
521: 0.7281852000000,
522: 0.7454636000000,
523: 0.7619694000000,
524: 0.7778368000000,
525: 0.7932000000000,
526: 0.8081104000000,
527: 0.8224962000000,
528: 0.8363068000000,
529: 0.8494916000000,
530: 0.8620000000000,
531: 0.8738108000000,
532: 0.8849624000000,
533: 0.8954936000000,
534: 0.9054432000000,
535: 0.9148501000000,
536: 0.9237348000000,
537: 0.9320924000000,
538: 0.9399226000000,
539: 0.9472252000000,
540: 0.9540000000000,
541: 0.9602561000000,
542: 0.9660074000000,
543: 0.9712606000000,
544: 0.9760225000000,
545: 0.9803000000000,
546: 0.9840924000000,
547: 0.9874182000000,
548: 0.9903128000000,
549: 0.9928116000000,
550: 0.9949501000000,
551: 0.9967108000000,
552: 0.9980983000000,
553: 0.9991120000000,
554: 0.9997482000000,
555: 1.0000000000000,
556: 0.9998567000000,
557: 0.9993046000000,
558: 0.9983255000000,
559: 0.9968987000000,
560: 0.9950000000000,
561: 0.9926005000000,
562: 0.9897426000000,
563: 0.9864444000000,
564: 0.9827241000000,
565: 0.9786000000000,
566: 0.9740837000000,
567: 0.9691712000000,
568: 0.9638568000000,
569: 0.9581349000000,
570: 0.9520000000000,
571: 0.9454504000000,
572: 0.9384992000000,
573: 0.9311628000000,
574: 0.9234576000000,
575: 0.9154000000000,
576: 0.9070064000000,
577: 0.8982772000000,
578: 0.8892048000000,
579: 0.8797816000000,
580: 0.8700000000000,
581: 0.8598613000000,
582: 0.8493920000000,
583: 0.8386220000000,
584: 0.8275813000000,
585: 0.8163000000000,
586: 0.8047947000000,
587: 0.7930820000000,
588: 0.7811920000000,
589: 0.7691547000000,
590: 0.7570000000000,
591: 0.7447541000000,
592: 0.7324224000000,
593: 0.7200036000000,
594: 0.7074965000000,
595: 0.6949000000000,
596: 0.6822192000000,
597: 0.6694716000000,
598: 0.6566744000000,
599: 0.6438448000000,
600: 0.6310000000000,
601: 0.6181555000000,
602: 0.6053144000000,
603: 0.5924756000000,
604: 0.5796379000000,
605: 0.5668000000000,
606: 0.5539611000000,
607: 0.5411372000000,
608: 0.5283528000000,
609: 0.5156323000000,
610: 0.5030000000000,
611: 0.4904688000000,
612: 0.4780304000000,
613: 0.4656776000000,
614: 0.4534032000000,
615: 0.4412000000000,
616: 0.4290800000000,
617: 0.4170360000000,
618: 0.4050320000000,
619: 0.3930320000000,
620: 0.3810000000000,
621: 0.3689184000000,
622: 0.3568272000000,
623: 0.3447768000000,
624: 0.3328176000000,
625: 0.3210000000000,
626: 0.3093381000000,
627: 0.2978504000000,
628: 0.2865936000000,
629: 0.2756245000000,
630: 0.2650000000000,
631: 0.2547632000000,
632: 0.2448896000000,
633: 0.2353344000000,
634: 0.2260528000000,
635: 0.2170000000000,
636: 0.2081616000000,
637: 0.1995488000000,
638: 0.1911552000000,
639: 0.1829744000000,
640: 0.1750000000000,
641: 0.1672235000000,
642: 0.1596464000000,
643: 0.1522776000000,
644: 0.1451259000000,
645: 0.1382000000000,
646: 0.1315003000000,
647: 0.1250248000000,
648: 0.1187792000000,
649: 0.1127691000000,
650: 0.1070000000000,
651: 0.1014762000000,
652: 0.0961886400000,
653: 0.0911229600000,
654: 0.0862648500000,
655: 0.0816000000000,
656: 0.0771206400000,
657: 0.0728255200000,
658: 0.0687100800000,
659: 0.0647697600000,
660: 0.0610000000000,
661: 0.0573962100000,
662: 0.0539550400000,
663: 0.0506737600000,
664: 0.0475496500000,
665: 0.0445800000000,
666: 0.0417587200000,
667: 0.0390849600000,
668: 0.0365638400000,
669: 0.0342004800000,
670: 0.0320000000000,
671: 0.0299626100000,
672: 0.0280766400000,
673: 0.0263293600000,
674: 0.0247080500000,
675: 0.0232000000000,
676: 0.0218007700000,
677: 0.0205011200000,
678: 0.0192810800000,
679: 0.0181206900000,
680: 0.0170000000000,
681: 0.0159037900000,
682: 0.0148371800000,
683: 0.0138106800000,
684: 0.0128347800000,
685: 0.0119200000000,
686: 0.0110683100000,
687: 0.0102733900000,
688: 0.0095333110000,
689: 0.0088461570000,
690: 0.0082100000000,
691: 0.0076237810000,
692: 0.0070854240000,
693: 0.0065914760000,
694: 0.0061384850000,
695: 0.0057230000000,
696: 0.0053430590000,
697: 0.0049957960000,
698: 0.0046764040000,
699: 0.0043800750000,
700: 0.0041020000000,
701: 0.0038384530000,
702: 0.0035890990000,
703: 0.0033542190000,
704: 0.0031340930000,
705: 0.0029290000000,
706: 0.0027381390000,
707: 0.0025598760000,
708: 0.0023932440000,
709: 0.0022372750000,
710: 0.0020910000000,
711: 0.0019535870000,
712: 0.0018245800000,
713: 0.0017035800000,
714: 0.0015901870000,
715: 0.0014840000000,
716: 0.0013844960000,
717: 0.0012912680000,
718: 0.0012040920000,
719: 0.0011227440000,
720: 0.0010470000000,
721: 0.0009765896000,
722: 0.0009111088000,
723: 0.0008501332000,
724: 0.0007932384000,
725: 0.0007400000000,
726: 0.0006900827000,
727: 0.0006433100000,
728: 0.0005994960000,
729: 0.0005584547000,
730: 0.0005200000000,
731: 0.0004839136000,
732: 0.0004500528000,
733: 0.0004183452000,
734: 0.0003887184000,
735: 0.0003611000000,
736: 0.0003353835000,
737: 0.0003114404000,
738: 0.0002891656000,
739: 0.0002684539000,
740: 0.0002492000000,
741: 0.0002313019000,
742: 0.0002146856000,
743: 0.0001992884000,
744: 0.0001850475000,
745: 0.0001719000000,
746: 0.0001597781000,
747: 0.0001486044000,
748: 0.0001383016000,
749: 0.0001287925000,
750: 0.0001200000000,
751: 0.0001118595000,
752: 0.0001043224000,
753: 0.0000973356000,
754: 0.0000908458700,
755: 0.0000848000000,
756: 0.0000791466700,
757: 0.0000738580000,
758: 0.0000689160000,
759: 0.0000643026700,
760: 0.0000600000000,
761: 0.0000559818700,
762: 0.0000522256000,
763: 0.0000487184000,
764: 0.0000454474700,
765: 0.0000424000000,
766: 0.0000395610400,
767: 0.0000369151200,
768: 0.0000344486800,
769: 0.0000321481600,
770: 0.0000300000000,
771: 0.0000279912500,
772: 0.0000261135600,
773: 0.0000243602400,
774: 0.0000227246100,
775: 0.0000212000000,
776: 0.0000197785500,
777: 0.0000184528500,
778: 0.0000172168700,
779: 0.0000160645900,
780: 0.0000149900000,
781: 0.0000139872800,
782: 0.0000130515500,
783: 0.0000121781800,
784: 0.0000113625400,
785: 0.0000106000000,
786: 0.0000098858770,
787: 0.0000092173040,
788: 0.0000085923620,
789: 0.0000080091330,
790: 0.0000074657000,
791: 0.0000069595670,
792: 0.0000064879950,
793: 0.0000060486990,
794: 0.0000056393960,
795: 0.0000052578000,
796: 0.0000049017710,
797: 0.0000045697200,
798: 0.0000042601940,
799: 0.0000039717390,
800: 0.0000037029000,
801: 0.0000034521630,
802: 0.0000032183020,
803: 0.0000030003000,
804: 0.0000027971390,
805: 0.0000026078000,
806: 0.0000024312200,
807: 0.0000022665310,
808: 0.0000021130130,
809: 0.0000019699430,
810: 0.0000018366000,
811: 0.0000017122300,
812: 0.0000015962280,
813: 0.0000014880900,
814: 0.0000013873140,
815: 0.0000012934000,
816: 0.0000012058200,
817: 0.0000011241430,
818: 0.0000010480090,
819: 0.0000009770578,
820: 0.0000009109300,
821: 0.0000008492513,
822: 0.0000007917212,
823: 0.0000007380904,
824: 0.0000006881098,
825: 0.0000006415300,
826: 0.0000005980895,
827: 0.0000005575746,
828: 0.0000005198080,
829: 0.0000004846123,
830: 0.0000004518100},
'Judd Modified CIE 1951 Photopic Standard Observer': {
370: 0.0001,
380: 0.0004,
390: 0.0015,
400: 0.0045,
410: 0.0093,
420: 0.0175,
430: 0.0273,
440: 0.0379,
450: 0.0468,
460: 0.0600,
470: 0.0910,
480: 0.1390,
490: 0.2080,
500: 0.3230,
510: 0.5030,
520: 0.7100,
530: 0.8620,
540: 0.9540,
550: 0.9950,
560: 0.9950,
570: 0.9520,
580: 0.8700,
590: 0.7570,
600: 0.6310,
610: 0.5030,
620: 0.3810,
630: 0.2650,
640: 0.1750,
650: 0.1070,
660: 0.0610,
670: 0.0320,
680: 0.0170,
690: 0.0082,
700: 0.0041,
710: 0.0021,
720: 0.0011,
730: 0.0005,
740: 0.0002,
750: 0.0001,
760: 0.0001,
770: 0.0000},
'Judd-Vos Modified CIE 1978 Photopic Standard Observer': {
380: 0.0002000000,
381: 0.0002282100,
382: 0.0002610900,
383: 0.0002993600,
384: 0.0003438700,
385: 0.0003955600,
386: 0.0004554400,
387: 0.0005246200,
388: 0.0006042800,
389: 0.0006956500,
390: 0.0008000000,
391: 0.0009163500,
392: 0.0010477000,
393: 0.0011955000,
394: 0.0013611000,
395: 0.0015457000,
396: 0.0017508000,
397: 0.0018776000,
398: 0.0022273000,
399: 0.0025011000,
400: 0.0028000000,
401: 0.0031159000,
402: 0.0034576000,
403: 0.0038268000,
404: 0.0042256000,
405: 0.0046562000,
406: 0.0051216000,
407: 0.0056248000,
408: 0.0061695000,
409: 0.0067597000,
410: 0.0074000000,
411: 0.0081451000,
412: 0.0089555000,
413: 0.0098322000,
414: 0.0107740000,
415: 0.0117790000,
416: 0.0128420000,
417: 0.0139560000,
418: 0.0151110000,
419: 0.0162970000,
420: 0.0175000000,
421: 0.0185820000,
422: 0.0196450000,
423: 0.0206830000,
424: 0.0216940000,
425: 0.0226780000,
426: 0.0236360000,
427: 0.0245720000,
428: 0.0254900000,
429: 0.0263970000,
430: 0.0273000000,
431: 0.0283350000,
432: 0.0293830000,
433: 0.0304420000,
434: 0.0315100000,
435: 0.0325840000,
436: 0.0336610000,
437: 0.0347350000,
438: 0.0358030000,
439: 0.0368600000,
440: 0.0379000000,
441: 0.0388380000,
442: 0.0397520000,
443: 0.0406460000,
444: 0.0415240000,
445: 0.0423910000,
446: 0.0432520000,
447: 0.0441160000,
448: 0.0449900000,
449: 0.0458810000,
450: 0.0468000000,
451: 0.0477430000,
452: 0.0487330000,
453: 0.0497850000,
454: 0.0509100000,
455: 0.0521220000,
456: 0.0534350000,
457: 0.0548640000,
458: 0.0564240000,
459: 0.0581310000,
460: 0.0600000000,
461: 0.0626019700,
462: 0.0652775200,
463: 0.0680420800,
464: 0.0709110900,
465: 0.0739000000,
466: 0.0770160000,
467: 0.0802664000,
468: 0.0836668000,
469: 0.0872328000,
470: 0.0909800000,
471: 0.0949175500,
472: 0.0990458400,
473: 0.1033674000,
474: 0.1078846000,
475: 0.1126000000,
476: 0.1175320000,
477: 0.1226744000,
478: 0.1279928000,
479: 0.1334528000,
480: 0.1390200000,
481: 0.1446764000,
482: 0.1504693000,
483: 0.1564619000,
484: 0.1627177000,
485: 0.1693000000,
486: 0.1762431000,
487: 0.1835581000,
488: 0.1912735000,
489: 0.1994180000,
490: 0.2080200000,
491: 0.2171199000,
492: 0.2267345000,
493: 0.2368571000,
494: 0.2474812000,
495: 0.2586000000,
496: 0.2701849000,
497: 0.2822939000,
498: 0.2950505000,
499: 0.3085780000,
500: 0.3230000000,
501: 0.3384021000,
502: 0.3546858000,
503: 0.3716986000,
504: 0.3892875000,
505: 0.4073000000,
506: 0.4256299000,
507: 0.4443096000,
508: 0.4633944000,
509: 0.4829395000,
510: 0.5030000000,
511: 0.5235693000,
512: 0.5445120000,
513: 0.5656900000,
514: 0.5869653000,
515: 0.6082000000,
516: 0.6293456000,
517: 0.6503068000,
518: 0.6708752000,
519: 0.6908424000,
520: 0.7100000000,
521: 0.7281852000,
522: 0.7454636000,
523: 0.7619694000,
524: 0.7778368000,
525: 0.7932000000,
526: 0.8081104000,
527: 0.8224962000,
528: 0.8363068000,
529: 0.8494916000,
530: 0.8620000000,
531: 0.8738108000,
532: 0.8849624000,
533: 0.8954936000,
534: 0.9054432000,
535: 0.9148501000,
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648: 1.20889e-01,
649: 1.14534e-01,
650: 1.08400e-01,
651: 1.02501e-01,
652: 9.68459e-02,
653: 9.14394e-02,
654: 8.62832e-02,
655: 8.13769e-02,
656: 7.67171e-02,
657: 7.22940e-02,
658: 6.80970e-02,
659: 6.41155e-02,
660: 6.03398e-02,
661: 5.67605e-02,
662: 5.33699e-02,
663: 5.01603e-02,
664: 4.71241e-02,
665: 4.42538e-02,
666: 4.15421e-02,
667: 3.89804e-02,
668: 3.65609e-02,
669: 3.42760e-02,
670: 3.21185e-02,
671: 3.00819e-02,
672: 2.81600e-02,
673: 2.63470e-02,
674: 2.46373e-02,
675: 2.30257e-02,
676: 2.15074e-02,
677: 2.00784e-02,
678: 1.87347e-02,
679: 1.74727e-02,
680: 1.62884e-02,
681: 1.51777e-02,
682: 1.41347e-02,
683: 1.31541e-02,
684: 1.22309e-02,
685: 1.13611e-02,
686: 1.05419e-02,
687: 9.77505e-03,
688: 9.06196e-03,
689: 8.40296e-03,
690: 7.79746e-03,
691: 7.24323e-03,
692: 6.73438e-03,
693: 6.26500e-03,
694: 5.83009e-03,
695: 5.42539e-03,
696: 5.04763e-03,
697: 4.69514e-03,
698: 4.36659e-03,
699: 4.06069e-03,
700: 3.77614e-03,
701: 3.51158e-03,
702: 3.26521e-03,
703: 3.03534e-03,
704: 2.82050e-03,
705: 2.61937e-03,
706: 2.43096e-03,
707: 2.25480e-03,
708: 2.09049e-03,
709: 1.93759e-03,
710: 1.79560e-03,
711: 1.66399e-03,
712: 1.54220e-03,
713: 1.42964e-03,
714: 1.32575e-03,
715: 1.22998e-03,
716: 1.14173e-03,
717: 1.06027e-03,
718: 9.84885e-04,
719: 9.14970e-04,
720: 8.49990e-04,
721: 7.89516e-04,
722: 7.33304e-04,
723: 6.81146e-04,
724: 6.32829e-04,
725: 5.88138e-04,
726: 5.46839e-04,
727: 5.08635e-04,
728: 4.73240e-04,
729: 4.40402e-04,
730: 4.09893e-04,
731: 3.81514e-04,
732: 3.55090e-04,
733: 3.30467e-04,
734: 3.07503e-04,
735: 2.86072e-04,
736: 2.66072e-04,
737: 2.47459e-04,
738: 2.30192e-04,
739: 2.14223e-04,
740: 1.99495e-04,
741: 1.85934e-04,
742: 1.73407e-04,
743: 1.61786e-04,
744: 1.50964e-04,
745: 1.40847e-04,
746: 1.31364e-04,
747: 1.22490e-04,
748: 1.14206e-04,
749: 1.06489e-04,
750: 9.93144e-05,
751: 9.26551e-05,
752: 8.64722e-05,
753: 8.07278e-05,
754: 7.53872e-05,
755: 7.04188e-05,
756: 6.57934e-05,
757: 6.14825e-05,
758: 5.74601e-05,
759: 5.37027e-05,
760: 5.01893e-05,
761: 4.69024e-05,
762: 4.38317e-05,
763: 4.09678e-05,
764: 3.83012e-05,
765: 3.58222e-05,
766: 3.35190e-05,
767: 3.13742e-05,
768: 2.93707e-05,
769: 2.74938e-05,
770: 2.57308e-05,
771: 2.40725e-05,
772: 2.25170e-05,
773: 2.10635e-05,
774: 1.97099e-05,
775: 1.84535e-05,
776: 1.72898e-05,
777: 1.62093e-05,
778: 1.52026e-05,
779: 1.42617e-05,
780: 1.33795e-05,
781: 1.25504e-05,
782: 1.17717e-05,
783: 1.10412e-05,
784: 1.03566e-05,
785: 9.71580e-06,
786: 9.11632e-06,
787: 8.55520e-06,
788: 8.02956e-06,
789: 7.53677e-06,
790: 7.07442e-06,
791: 6.64046e-06,
792: 6.23344e-06,
793: 5.85204e-06,
794: 5.49496e-06,
795: 5.16095e-06,
796: 4.84869e-06,
797: 4.55671e-06,
798: 4.28358e-06,
799: 4.02799e-06,
800: 3.78873e-06,
801: 3.56460e-06,
802: 3.35428e-06,
803: 3.15656e-06,
804: 2.97033e-06,
805: 2.79463e-06,
806: 2.62870e-06,
807: 2.47225e-06,
808: 2.32503e-06,
809: 2.18677e-06,
810: 2.05715e-06,
811: 1.93581e-06,
812: 1.82224e-06,
813: 1.71591e-06,
814: 1.61636e-06,
815: 1.52311e-06,
816: 1.43575e-06,
817: 1.35377e-06,
818: 1.27671e-06,
819: 1.20417e-06,
820: 1.13576e-06,
821: 1.07118e-06,
822: 1.01024e-06,
823: 9.52778e-07,
824: 8.98622e-07,
825: 8.47617e-07,
826: 7.99605e-07,
827: 7.54436e-07,
828: 7.11962e-07,
829: 6.72042e-07,
830: 6.34538e-07}}
PHOTOPIC_LEFS = CaseInsensitiveMapping(
{'CIE 1924 Photopic Standard Observer':
SpectralPowerDistribution(
'CIE 1924 Photopic Standard Observer',
PHOTOPIC_LEFS_DATA.get(
'CIE 1924 Photopic Standard Observer')),
'Judd Modified CIE 1951 Photopic Standard Observer':
SpectralPowerDistribution(
'Judd Modified CIE 1951 Photopic Standard Observer',
PHOTOPIC_LEFS_DATA.get(
'Judd Modified CIE 1951 Photopic Standard Observer')),
'Judd-Vos Modified CIE 1978 Photopic Standard Observer':
SpectralPowerDistribution(
'Judd-Vos Modified CIE 1978 Photopic Standard Observer',
PHOTOPIC_LEFS_DATA.get(
'Judd-Vos Modified CIE 1978 Photopic Standard Observer')),
'CIE 1964 Photopic 10 Degree Standard Observer':
SpectralPowerDistribution(
'CIE 1964 Photopic 10 Degree Standard Observer',
PHOTOPIC_LEFS_DATA.get(
'CIE 1964 Photopic 10 Degree Standard Observer')),
'CIE 2008 2 Degree Physiologically Relevant LEF':
SpectralPowerDistribution(
'CIE 2008 2 Degree Physiologically Relevant LEF',
PHOTOPIC_LEFS_DATA.get(
'CIE 2008 2 Degree Physiologically Relevant LEF')),
'CIE 2008 10 Degree Physiologically Relevant LEF':
SpectralPowerDistribution(
'CIE 2008 10 Degree Physiologically Relevant LEF',
PHOTOPIC_LEFS_DATA.get(
'CIE 2008 10 Degree Physiologically Relevant LEF'))})
"""
Photopic luminous efficiency functions.
PHOTOPIC_LEFS : dict
('CIE 1924 Photopic Standard Observer',
'Judd Modified CIE 1951 Photopic Standard Observer',
'Judd-Vos Modified CIE 1978 Photopic Standard Observer',
'CIE 1964 Photopic 10 Degree Standard Observer',
'CIE 2008 2 Degree Physiologically Relevant LEF',
'CIE 2008 10 Degree Physiologically Relevant LEF')
Aliases:
- 'cie_2_1924': 'CIE 1931 2 Degree Standard Observer'
- 'cie_10_1964': 'CIE 1964 Photopic 10 Degree Standard Observer'
"""
PHOTOPIC_LEFS['cie_2_1924'] = (
PHOTOPIC_LEFS['CIE 1924 Photopic Standard Observer'])
PHOTOPIC_LEFS['cie_10_1964'] = (
PHOTOPIC_LEFS['CIE 1964 Photopic 10 Degree Standard Observer'])
SCOTOPIC_LEFS_DATA = {
'CIE 1951 Scotopic Standard Observer': {
380: 0.0005890000,
381: 0.0006650000,
382: 0.0007520000,
383: 0.0008540000,
384: 0.0009720000,
385: 0.0011080000,
386: 0.0012680000,
387: 0.0014530000,
388: 0.0016680000,
389: 0.0019180000,
390: 0.0022090000,
391: 0.0025470000,
392: 0.0029390000,
393: 0.0033940000,
394: 0.0039210000,
395: 0.0045300000,
396: 0.0052400000,
397: 0.0060500000,
398: 0.0069800000,
399: 0.0080600000,
400: 0.0092900000,
401: 0.0107000000,
402: 0.0123100000,
403: 0.0141300000,
404: 0.0161900000,
405: 0.0185200000,
406: 0.0211300000,
407: 0.0240500000,
408: 0.0273000000,
409: 0.0308900000,
410: 0.0348400000,
411: 0.0391600000,
412: 0.0439000000,
413: 0.0490000000,
414: 0.0545000000,
415: 0.0604000000,
416: 0.0668000000,
417: 0.0736000000,
418: 0.0808000000,
419: 0.0885000000,
420: 0.0966000000,
421: 0.1052000000,
422: 0.1141000000,
423: 0.1235000000,
424: 0.1334000000,
425: 0.1436000000,
426: 0.1541000000,
427: 0.1651000000,
428: 0.1764000000,
429: 0.1879000000,
430: 0.1998000000,
431: 0.2119000000,
432: 0.2243000000,
433: 0.2369000000,
434: 0.2496000000,
435: 0.2625000000,
436: 0.2755000000,
437: 0.2886000000,
438: 0.3017000000,
439: 0.3149000000,
440: 0.3281000000,
441: 0.3412000000,
442: 0.3543000000,
443: 0.3673000000,
444: 0.3803000000,
445: 0.3931000000,
446: 0.4060000000,
447: 0.4180000000,
448: 0.4310000000,
449: 0.4430000000,
450: 0.4550000000,
451: 0.4670000000,
452: 0.4790000000,
453: 0.4900000000,
454: 0.5020000000,
455: 0.5130000000,
456: 0.5240000000,
457: 0.5350000000,
458: 0.5460000000,
459: 0.5570000000,
460: 0.5670000000,
461: 0.5780000000,
462: 0.5880000000,
463: 0.5990000000,
464: 0.6100000000,
465: 0.6200000000,
466: 0.6310000000,
467: 0.6420000000,
468: 0.6530000000,
469: 0.6640000000,
470: 0.6760000000,
471: 0.6870000000,
472: 0.6990000000,
473: 0.7100000000,
474: 0.7220000000,
475: 0.7340000000,
476: 0.7450000000,
477: 0.7570000000,
478: 0.7690000000,
479: 0.7810000000,
480: 0.7930000000,
481: 0.8050000000,
482: 0.8170000000,
483: 0.8280000000,
484: 0.8400000000,
485: 0.8510000000,
486: 0.8620000000,
487: 0.8730000000,
488: 0.8840000000,
489: 0.8940000000,
490: 0.9040000000,
491: 0.9140000000,
492: 0.9230000000,
493: 0.9320000000,
494: 0.9410000000,
495: 0.9490000000,
496: 0.9570000000,
497: 0.9640000000,
498: 0.9700000000,
499: 0.9760000000,
500: 0.9820000000,
501: 0.9860000000,
502: 0.9900000000,
503: 0.9940000000,
504: 0.9970000000,
505: 0.9980000000,
506: 1.0000000000,
507: 1.0000000000,
508: 1.0000000000,
509: 0.9980000000,
510: 0.9970000000,
511: 0.9940000000,
512: 0.9900000000,
513: 0.9860000000,
514: 0.9810000000,
515: 0.9750000000,
516: 0.9680000000,
517: 0.9610000000,
518: 0.9530000000,
519: 0.9440000000,
520: 0.9350000000,
521: 0.9250000000,
522: 0.9150000000,
523: 0.9040000000,
524: 0.8920000000,
525: 0.8800000000,
526: 0.8670000000,
527: 0.8540000000,
528: 0.8400000000,
529: 0.8260000000,
530: 0.8110000000,
531: 0.7960000000,
532: 0.7810000000,
533: 0.7650000000,
534: 0.7490000000,
535: 0.7330000000,
536: 0.7170000000,
537: 0.7000000000,
538: 0.6830000000,
539: 0.6670000000,
540: 0.6500000000,
541: 0.6330000000,
542: 0.6160000000,
543: 0.5990000000,
544: 0.5810000000,
545: 0.5640000000,
546: 0.5480000000,
547: 0.5310000000,
548: 0.5140000000,
549: 0.4970000000,
550: 0.4810000000,
551: 0.4650000000,
552: 0.4480000000,
553: 0.4330000000,
554: 0.4170000000,
555: 0.4020000000,
556: 0.3864000000,
557: 0.3715000000,
558: 0.3569000000,
559: 0.3427000000,
560: 0.3288000000,
561: 0.3151000000,
562: 0.3018000000,
563: 0.2888000000,
564: 0.2762000000,
565: 0.2639000000,
566: 0.2519000000,
567: 0.2403000000,
568: 0.2291000000,
569: 0.2182000000,
570: 0.2076000000,
571: 0.1974000000,
572: 0.1876000000,
573: 0.1782000000,
574: 0.1690000000,
575: 0.1602000000,
576: 0.1517000000,
577: 0.1436000000,
578: 0.1358000000,
579: 0.1284000000,
580: 0.1212000000,
581: 0.1143000000,
582: 0.1078000000,
583: 0.1015000000,
584: 0.0956000000,
585: 0.0899000000,
586: 0.0845000000,
587: 0.0793000000,
588: 0.0745000000,
589: 0.0699000000,
590: 0.0655000000,
591: 0.0613000000,
592: 0.0574000000,
593: 0.0537000000,
594: 0.0502000000,
595: 0.0469000000,
596: 0.0438000000,
597: 0.0409000000,
598: 0.0381600000,
599: 0.0355800000,
600: 0.0331500000,
601: 0.0308700000,
602: 0.0287400000,
603: 0.0267400000,
604: 0.0248700000,
605: 0.0231200000,
606: 0.0214700000,
607: 0.0199400000,
608: 0.0185100000,
609: 0.0171800000,
610: 0.0159300000,
611: 0.0147700000,
612: 0.0136900000,
613: 0.0126900000,
614: 0.0117500000,
615: 0.0108800000,
616: 0.0100700000,
617: 0.0093200000,
618: 0.0086200000,
619: 0.0079700000,
620: 0.0073700000,
621: 0.0068200000,
622: 0.0063000000,
623: 0.0058200000,
624: 0.0053800000,
625: 0.0049700000,
626: 0.0045900000,
627: 0.0042400000,
628: 0.0039130000,
629: 0.0036130000,
630: 0.0033350000,
631: 0.0030790000,
632: 0.0028420000,
633: 0.0026230000,
634: 0.0024210000,
635: 0.0022350000,
636: 0.0020620000,
637: 0.0019030000,
638: 0.0017570000,
639: 0.0016210000,
640: 0.0014970000,
641: 0.0013820000,
642: 0.0012760000,
643: 0.0011780000,
644: 0.0010880000,
645: 0.0010050000,
646: 0.0009280000,
647: 0.0008570000,
648: 0.0007920000,
649: 0.0007320000,
650: 0.0006770000,
651: 0.0006260000,
652: 0.0005790000,
653: 0.0005360000,
654: 0.0004960000,
655: 0.0004590000,
656: 0.0004250000,
657: 0.0003935000,
658: 0.0003645000,
659: 0.0003377000,
660: 0.0003129000,
661: 0.0002901000,
662: 0.0002689000,
663: 0.0002493000,
664: 0.0002313000,
665: 0.0002146000,
666: 0.0001991000,
667: 0.0001848000,
668: 0.0001716000,
669: 0.0001593000,
670: 0.0001480000,
671: 0.0001375000,
672: 0.0001277000,
673: 0.0001187000,
674: 0.0001104000,
675: 0.0001026000,
676: 0.0000954000,
677: 0.0000888000,
678: 0.0000826000,
679: 0.0000769000,
680: 0.0000715000,
681: 0.0000666000,
682: 0.0000620000,
683: 0.0000578000,
684: 0.0000538000,
685: 0.0000501000,
686: 0.0000467000,
687: 0.0000436000,
688: 0.0000406000,
689: 0.0000378900,
690: 0.0000353300,
691: 0.0000329500,
692: 0.0000307500,
693: 0.0000287000,
694: 0.0000267900,
695: 0.0000250100,
696: 0.0000233600,
697: 0.0000218200,
698: 0.0000203800,
699: 0.0000190500,
700: 0.0000178000,
701: 0.0000166400,
702: 0.0000155600,
703: 0.0000145400,
704: 0.0000136000,
705: 0.0000127300,
706: 0.0000119100,
707: 0.0000111400,
708: 0.0000104300,
709: 0.0000097600,
710: 0.0000091400,
711: 0.0000085600,
712: 0.0000080200,
713: 0.0000075100,
714: 0.0000070400,
715: 0.0000066000,
716: 0.0000061800,
717: 0.0000058000,
718: 0.0000054400,
719: 0.0000051000,
720: 0.0000047800,
721: 0.0000044900,
722: 0.0000042100,
723: 0.0000039510,
724: 0.0000037090,
725: 0.0000034820,
726: 0.0000032700,
727: 0.0000030700,
728: 0.0000028840,
729: 0.0000027100,
730: 0.0000025460,
731: 0.0000023930,
732: 0.0000022500,
733: 0.0000021150,
734: 0.0000019890,
735: 0.0000018700,
736: 0.0000017590,
737: 0.0000016550,
738: 0.0000015570,
739: 0.0000014660,
740: 0.0000013790,
741: 0.0000012990,
742: 0.0000012230,
743: 0.0000011510,
744: 0.0000010840,
745: 0.0000010220,
746: 0.0000009620,
747: 0.0000009070,
748: 0.0000008550,
749: 0.0000008060,
750: 0.0000007600,
751: 0.0000007160,
752: 0.0000006750,
753: 0.0000006370,
754: 0.0000006010,
755: 0.0000005670,
756: 0.0000005350,
757: 0.0000005050,
758: 0.0000004770,
759: 0.0000004500,
760: 0.0000004250,
761: 0.0000004010,
762: 0.0000003790,
763: 0.0000003580,
764: 0.0000003382,
765: 0.0000003196,
766: 0.0000003021,
767: 0.0000002855,
768: 0.0000002699,
769: 0.0000002552,
770: 0.0000002413,
771: 0.0000002282,
772: 0.0000002159,
773: 0.0000002042,
774: 0.0000001932,
775: 0.0000001829,
776: 0.0000001731,
777: 0.0000001638,
778: 0.0000001551,
779: 0.0000001468,
780: 0.0000001390, }}
SCOTOPIC_LEFS = CaseInsensitiveMapping(
{'CIE 1951 Scotopic Standard Observer': SpectralPowerDistribution(
'CIE 1951 Scotopic Standard Observer',
SCOTOPIC_LEFS_DATA.get('CIE 1951 Scotopic Standard Observer'))})
"""
Scotopic luminous efficiency functions.
SCOTOPIC_LEFS : dict
('CIE 1951 Scotopic Standard Observer',)
Aliases:
- 'cie_1951': 'CIE 1951 Scotopic Standard Observer'
"""
SCOTOPIC_LEFS['cie_1951'] = (
SCOTOPIC_LEFS['CIE 1951 Scotopic Standard Observer'])
LEFS = CaseInsensitiveMapping(PHOTOPIC_LEFS)
"""
Aggregated luminous efficiency functions.
LEFS : dict
('CIE 1924 Photopic Standard Observer',
'Judd Modified CIE 1951 Photopic Standard Observer',
'Judd-Vos Modified CIE 1978 Photopic Standard Observer',
'CIE 1964 Photopic 10 Degree Standard Observer',
'CIE 2008 2 Degree Physiologically Relevant LEF',
'CIE 2008 10 Degree Physiologically Relevant LEF',
'CIE 1951 Scotopic Standard Observer')
"""
LEFS.update(SCOTOPIC_LEFS)
MESOPIC_X_DATA = {
0.01: CaseInsensitiveMapping(
{'Blue Heavy': CaseInsensitiveMapping(
{'MOVE': 0.13, 'LRC': 0.04}),
'Red Heavy': CaseInsensitiveMapping(
{'MOVE': 0.00, 'LRC': 0.01})}),
0.1: CaseInsensitiveMapping({
'Blue Heavy': CaseInsensitiveMapping(
{'MOVE': 0.42, 'LRC': 0.28}),
'Red Heavy': CaseInsensitiveMapping(
{'MOVE': 0.34, 'LRC': 0.11})}),
1.0: CaseInsensitiveMapping({
'Blue Heavy': CaseInsensitiveMapping(
{'MOVE': 0.70, 'LRC': 1.00}),
'Red Heavy': CaseInsensitiveMapping(
{'MOVE': 0.68, 'LRC': 1.00})}),
10: CaseInsensitiveMapping({
'Blue Heavy': CaseInsensitiveMapping(
{'MOVE': 0.98, 'LRC': 1.00}),
'Red Heavy': CaseInsensitiveMapping(
{'MOVE': 0.98, 'LRC': 1.00})})}
"""
Weighting factors for the mesopic luminous efficiency function calculation.
MESOPIC_X_DATA : dict
"""
Colour 0.3