#   http://vision.vein.hu/~schanda/CIE%20TC1-74/
#
#   CIE 204_2013 Table2 (PZ & BK).xls
#
#   Peter Zwick
#   CIE 204:2013 Methods for Re-defining CIE D Illuminants
#   Table 3 - LOWESS smoothed S0(?), S1(?) and S2(?) eigenvectors
#
#   also relevant is:
#
#   Smoothing spectral energy distribution of daylights
#   Zsolt Kosztyan and Janos Schanda
#
#   Color Research & Application
#   Volume 38, Issue 5, pages 316-321, October 2013
#

Wavelength	S0	S1	S2
300	0.914218	0.348648	0.310987
301	2.499837	1.64081	0.588797
302	4.066354	2.913151	0.860926
303	5.613333	4.165049	1.1271
304	7.14034	5.395878	1.387041
305	8.646938	6.605017	1.640475
306	10.13269	7.791841	1.887125
307	11.59717	8.955728	2.126716
308	13.03993	10.09605	2.35897
309	14.46053	11.21219	2.583612
310	15.85856	12.30353	2.800366
311	17.23621	13.37398	3.011224
312	18.59584	14.4273	3.217988
313	19.93716	15.4626	3.420096
314	21.2599	16.479	3.616987
315	22.5638	17.47561	3.808101
316	23.84858	18.45155	3.992875
317	25.11397	19.40593	4.17075
318	26.3597	20.33787	4.341163
319	27.58549	21.24647	4.503555
320	28.79108	22.13086	4.657362
321	29.97826	22.99544	4.805441
322	31.14892	23.84458	4.950487
323	32.30293	24.67731	5.091705
324	33.44017	25.4927	5.228296
325	34.56051	26.2898	5.359465
326	35.66381	27.06764	5.484414
327	36.74996	27.8253	5.602348
328	37.81882	28.56181	5.712468
329	38.87026	29.27622	5.813979
330	39.90416	29.96759	5.906083
331	40.92253	30.64139	5.993827
332	41.92716	31.30273	6.08162
333	42.91761	31.95012	6.167707
334	43.89345	32.58206	6.250334
335	44.85423	33.19707	6.327748
336	45.79953	33.79365	6.398194
337	46.72889	34.3703	6.459918
338	47.64188	34.92555	6.511166
339	48.53805	35.45789	6.550185
340	49.41699	35.96584	6.57522
341	50.28368	36.45953	6.592172
342	51.14195	36.94751	6.608006
343	51.98955	37.42593	6.622567
344	52.82423	37.89092	6.635695
345	53.64372	38.33864	6.647236
346	54.4458	38.76523	6.65703
347	55.22819	39.16684	6.664921
348	55.98867	39.5396	6.670752
349	56.72497	39.87966	6.674366
350	57.43484	40.18316	6.675606
351	58.13665	40.47308	6.667687
352	58.84403	40.76919	6.645094
353	59.54763	41.06283	6.609578
354	60.23811	41.34538	6.562885
355	60.90612	41.60818	6.506767
356	61.54233	41.84258	6.44297
357	62.13739	42.03994	6.373244
358	62.68195	42.19162	6.299337
359	63.16668	42.28896	6.222999
360	63.58223	42.32333	6.145978
361	63.93249	42.29856	6.058499
362	64.23518	42.23055	5.951588
363	64.50167	42.12873	5.828196
364	64.74334	42.00256	5.691272
365	64.97158	41.86148	5.543767
366	65.19777	41.71494	5.38863
367	65.43329	41.57238	5.22881
368	65.68953	41.44325	5.06726
369	65.97785	41.337	4.906927
370	66.30965	41.26306	4.750762
371	66.69033	41.20851	4.593285
372	67.11448	41.15488	4.428262
373	67.57722	41.10329	4.257513
374	68.07372	41.05409	4.082856
375	68.5991	41.01082	3.906112
376	69.14853	40.97222	3.7291
377	69.71713	40.94021	3.553639
378	70.30006	40.91593	3.38155
379	70.89246	40.90054	3.21465
380	71.48948	40.89515	3.05476
381	72.105	40.90756	2.900089
382	72.75307	40.9422	2.747662
383	73.42907	40.99524	2.597524
384	74.12836	41.06281	2.449719
385	74.8463	41.14107	2.304291
386	75.57826	41.22616	2.161284
387	76.31961	41.31423	2.020744
388	77.06572	41.40142	1.882714
389	77.81195	41.48389	1.747239
390	78.55367	41.55777	1.614364
391	79.29532	41.62925	1.483952
392	80.04431	41.70575	1.355796
393	80.80044	41.78531	1.229826
394	81.56353	41.86595	1.105978
395	82.33338	41.94573	0.984181
396	83.10979	42.02266	0.864371
397	83.89258	42.0948	0.746478
398	84.68155	42.16017	0.630436
399	85.47651	42.21681	0.516178
400	86.27727	42.26275	0.403635
401	87.08607	42.30291	0.292077
402	87.90447	42.34285	0.181106
403	88.73127	42.38165	0.071158
404	89.56524	42.41835	-0.03733
405	90.40518	42.452	-0.14392
406	91.24986	42.48166	-0.24819
407	92.09809	42.50637	-0.34969
408	92.94865	42.5252	-0.44798
409	93.80032	42.53719	-0.54264
410	94.65189	42.54139	-0.63322
411	95.51102	42.53751	-0.72109
412	96.38327	42.52632	-0.80762
413	97.26421	42.50851	-0.89241
414	98.14944	42.48476	-0.97506
415	99.03455	42.45576	-1.05518
416	99.91514	42.42219	-1.13235
417	100.7868	42.38473	-1.20619
418	101.6451	42.34407	-1.27629
419	102.4857	42.3009	-1.34226
420	103.3041	42.2559	-1.40368
421	104.1127	42.20077	-1.4612
422	104.9232	42.12791	-1.51588
423	105.7303	42.03904	-1.56798
424	106.5288	41.93586	-1.61775
425	107.3135	41.82009	-1.66546
426	108.0791	41.69345	-1.71136
427	108.8203	41.55763	-1.75571
428	109.532	41.41436	-1.79877
429	110.2089	41.26535	-1.8408
430	110.8457	41.11231	-1.88205
431	111.4536	40.94549	-1.92222
432	112.0462	40.75577	-1.96095
433	112.6218	40.5458	-1.99841
434	113.1788	40.31824	-2.03478
435	113.7156	40.07576	-2.07024
436	114.2305	39.821	-2.10497
437	114.7218	39.55664	-2.13913
438	115.188	39.28532	-2.17291
439	115.6274	39.00972	-2.20648
440	116.0383	38.73247	-2.24002
441	116.4246	38.44543	-2.27391
442	116.7921	38.14061	-2.30822
443	117.1424	37.82095	-2.34259
444	117.477	37.48938	-2.37669
445	117.7974	37.14884	-2.41016
446	118.1052	36.80227	-2.44268
447	118.4019	36.4526	-2.47389
448	118.6891	36.10277	-2.50345
449	118.9681	35.75571	-2.53102
450	119.2407	35.41437	-2.55626
451	119.5133	35.07554	-2.58107
452	119.7885	34.73441	-2.607
453	120.0621	34.39146	-2.63315
454	120.3298	34.04717	-2.65867
455	120.5873	33.70201	-2.68266
456	120.8303	33.35648	-2.70426
457	121.0545	33.01106	-2.72259
458	121.2557	32.66622	-2.73676
459	121.4295	32.32245	-2.74591
460	121.5717	31.98023	-2.74915
461	121.6968	31.64084	-2.74842
462	121.8205	31.3045	-2.74631
463	121.9398	30.97008	-2.74292
464	122.0522	30.63645	-2.73837
465	122.1548	30.30249	-2.73277
466	122.2449	29.96708	-2.72623
467	122.3198	29.62909	-2.71888
468	122.3766	29.2874	-2.71081
469	122.4128	28.94089	-2.70215
470	122.4254	28.58842	-2.693
471	122.399	28.23089	-2.68043
472	122.324	27.86988	-2.66204
473	122.2069	27.50529	-2.63873
474	122.054	27.13707	-2.61139
475	121.8718	26.76512	-2.58093
476	121.6667	26.38937	-2.54824
477	121.4451	26.00974	-2.51423
478	121.2135	25.62615	-2.4798
479	120.9782	25.23852	-2.44584
480	120.7456	24.84677	-2.41326
481	120.4917	24.44861	-2.38069
482	120.1934	24.04275	-2.3464
483	119.8585	23.63063	-2.31073
484	119.4948	23.21365	-2.274
485	119.1102	22.79326	-2.23656
486	118.7125	22.37087	-2.19874
487	118.3094	21.94791	-2.16087
488	117.909	21.52581	-2.1233
489	117.5188	21.10599	-2.08636
490	117.1469	20.68988	-2.05039
491	116.7813	20.27466	-2.01502
492	116.4071	19.85727	-1.9797
493	116.028	19.43881	-1.94448
494	115.6477	19.02036	-1.90942
495	115.2697	18.60302	-1.87457
496	114.8977	18.18786	-1.83997
497	114.5353	17.77599	-1.80569
498	114.1861	17.36849	-1.77177
499	113.8537	16.96645	-1.73827
500	113.5418	16.57096	-1.70524
501	113.2461	16.18056	-1.67264
502	112.9596	15.79325	-1.6404
503	112.6821	15.40926	-1.60849
504	112.4133	15.02883	-1.57691
505	112.1528	14.65219	-1.54562
506	111.9005	14.27958	-1.51462
507	111.6559	13.91123	-1.48389
508	111.4189	13.54739	-1.4534
509	111.1891	13.18828	-1.42314
510	110.9662	12.83414	-1.39309
511	110.7513	12.48456	-1.36313
512	110.5448	12.13892	-1.33319
513	110.3455	11.79724	-1.30336
514	110.1522	11.45948	-1.27373
515	109.9639	11.12564	-1.2444
516	109.7792	10.79572	-1.21545
517	109.597	10.46969	-1.18698
518	109.4161	10.14754	-1.15907
519	109.2354	9.82926	-1.1318
520	109.0537	9.51484	-1.10528
521	108.8731	9.20385	-1.07932
522	108.6959	8.89595	-1.0537
523	108.5214	8.5913	-1.02847
524	108.3487	8.29005	-1.00366
525	108.1771	7.99237	-0.97932
526	108.0057	7.69841	-0.9555
527	107.8338	7.40831	-0.93223
528	107.6605	7.12225	-0.90957
529	107.4851	6.84037	-0.88754
530	107.3066	6.56283	-0.86621
531	107.1275	6.28877	-0.84582
532	106.9498	6.01744	-0.82646
533	106.7724	5.74916	-0.80787
534	106.5941	5.48425	-0.78982
535	106.414	5.22302	-0.77207
536	106.2309	4.9658	-0.75438
537	106.0438	4.71291	-0.7365
538	105.8515	4.46465	-0.71819
539	105.6531	4.22136	-0.69921
540	105.4473	3.98335	-0.67932
541	105.2336	3.74989	-0.65896
542	105.0123	3.5201	-0.6386
543	104.7841	3.29403	-0.61806
544	104.5495	3.07175	-0.59717
545	104.3092	2.8533	-0.57574
546	104.0636	2.63876	-0.55359
547	103.8135	2.42819	-0.53054
548	103.5594	2.22164	-0.5064
549	103.3019	2.01917	-0.48101
550	103.0416	1.82086	-0.45418
551	102.7757	1.62672	-0.42568
552	102.5019	1.43655	-0.39544
553	102.2215	1.25008	-0.36352
554	101.9356	1.06702	-0.32997
555	101.6456	0.88711	-0.29483
556	101.3527	0.71001	-0.25816
557	101.0581	0.5356	-0.21999
558	100.763	0.3634	-0.1804
559	100.4688	0.19334	-0.13942
560	100.1765	0.02498	-0.0971
561	99.8838	-0.14092	-0.05268
562	99.58788	-0.30376	-0.00553
563	99.28976	-0.46396	0.04413
564	98.99043	-0.62191	0.096058
565	98.69086	-0.77804	0.150027
566	98.39206	-0.93274	0.205802
567	98.095	-1.08644	0.263154
568	97.80067	-1.23954	0.321849
569	97.51007	-1.39245	0.381656
570	97.22417	-1.54559	0.442342
571	96.94084	-1.69849	0.504683
572	96.65781	-1.85051	0.569445
573	96.3759	-2.00171	0.636386
574	96.09594	-2.15218	0.70526
575	95.81874	-2.30201	0.775823
576	95.54512	-2.45128	0.847831
577	95.2759	-2.60005	0.921039
578	95.0119	-2.74843	0.995205
579	94.75395	-2.89649	1.070082
580	94.50285	-3.04431	1.145428
581	94.25732	-3.19189	1.221681
582	94.01559	-3.33912	1.299375
583	93.77781	-3.48598	1.378408
584	93.54411	-3.63243	1.458678
585	93.31462	-3.77845	1.540084
586	93.08948	-3.92399	1.622524
587	92.86882	-4.06903	1.705895
588	92.65278	-4.21353	1.790097
589	92.44149	-4.35747	1.875026
590	92.2351	-4.50079	1.960582
591	92.03368	-4.64373	2.047163
592	91.83696	-4.78643	2.135119
593	91.64452	-4.92878	2.224272
594	91.45597	-5.07066	2.314445
595	91.27087	-5.21196	2.40546
596	91.08881	-5.35255	2.49714
597	90.9094	-5.49232	2.589307
598	90.7322	-5.63116	2.681785
599	90.55681	-5.76894	2.774396
600	90.38281	-5.90555	2.866963
601	90.21079	-6.04118	2.959838
602	90.04142	-6.17608	3.053408
603	89.87447	-6.3102	3.147538
604	89.70967	-6.4435	3.242097
605	89.54679	-6.57592	3.336953
606	89.38556	-6.70742	3.431973
607	89.22574	-6.83795	3.527025
608	89.06708	-6.96747	3.621977
609	88.90933	-7.09594	3.716696
610	88.75224	-7.2233	3.811051
611	88.59473	-7.34928	3.905003
612	88.43646	-7.4738	3.998669
613	88.27825	-7.59708	4.092148
614	88.12091	-7.71937	4.185538
615	87.96527	-7.84088	4.278938
616	87.81215	-7.96186	4.372446
617	87.66238	-8.08253	4.466163
618	87.51676	-8.20312	4.560186
619	87.37613	-8.32386	4.654614
620	87.2413	-8.445	4.749546
621	87.11084	-8.56647	4.844806
622	86.98288	-8.68802	4.940195
623	86.85765	-8.80954	5.035777
624	86.73536	-8.93095	5.13162
625	86.6162	-9.05214	5.227787
626	86.50039	-9.17301	5.324346
627	86.38815	-9.29348	5.421361
628	86.27968	-9.41345	5.518899
629	86.17519	-9.53281	5.617024
630	86.07489	-9.65147	5.715802
631	85.98038	-9.7704	5.815548
632	85.89213	-9.89021	5.916373
633	85.8086	-10.0103	6.018041
634	85.72826	-10.1302	6.120315
635	85.64959	-10.2492	6.222957
636	85.57107	-10.3668	6.325732
637	85.49117	-10.4824	6.428402
638	85.40836	-10.5955	6.530729
639	85.32113	-10.7054	6.632478
640	85.22793	-10.8116	6.733411
641	85.12911	-10.9149	6.834096
642	85.02627	-11.0166	6.935096
643	84.91975	-11.1164	7.036165
644	84.80992	-11.2143	7.13706
645	84.69715	-11.3102	7.237535
646	84.58179	-11.404	7.337346
647	84.46421	-11.4956	7.436249
648	84.34477	-11.585	7.533999
649	84.22384	-11.672	7.63035
650	84.10177	-11.7565	7.725059
651	83.9772	-11.8389	7.81914
652	83.84891	-11.9198	7.913432
653	83.71749	-11.999	8.007433
654	83.58351	-12.0764	8.100639
655	83.44756	-12.1521	8.192549
656	83.31021	-12.2258	8.282659
657	83.17205	-12.2975	8.370465
658	83.03366	-12.3672	8.455465
659	82.89561	-12.4347	8.537155
660	82.75849	-12.5	8.615033
661	82.62405	-12.5645	8.691514
662	82.49263	-12.6292	8.768613
663	82.36276	-12.6934	8.845227
664	82.23295	-12.7563	8.920251
665	82.10171	-12.8171	8.992582
666	81.96754	-12.8751	9.061116
667	81.82896	-12.9296	9.124749
668	81.68447	-12.9797	9.182378
669	81.5326	-13.0248	9.232899
670	81.37185	-13.0641	9.275208
671	81.20079	-13.1008	9.313278
672	81.01958	-13.138	9.351212
673	80.82914	-13.1747	9.388098
674	80.63038	-13.2097	9.423024
675	80.4242	-13.2422	9.455079
676	80.21151	-13.2711	9.483349
677	79.99322	-13.2953	9.506925
678	79.77025	-13.3139	9.524893
679	79.5435	-13.3258	9.536343
680	79.31387	-13.33	9.540362
681	79.07419	-13.3292	9.538324
682	78.81921	-13.3271	9.532508
683	78.55276	-13.3236	9.523363
684	78.27866	-13.319	9.511338
685	78.00074	-13.3134	9.496882
686	77.72283	-13.3068	9.480444
687	77.44875	-13.2995	9.462472
688	77.18233	-13.2915	9.443417
689	76.92739	-13.283	9.423725
690	76.68776	-13.274	9.403848
691	76.45854	-13.2625	9.381364
692	76.23274	-13.2467	9.354012
693	76.01102	-13.227	9.322478
694	75.79409	-13.2041	9.287445
695	75.5826	-13.1785	9.2496
696	75.37724	-13.1508	9.209628
697	75.17869	-13.1216	9.168214
698	74.98763	-13.0914	9.126043
699	74.80474	-13.0608	9.0838
700	74.6307	-13.0303	9.04217
701	74.46771	-12.999	9.000154
702	74.3158	-12.9654	8.956417
703	74.1724	-12.9297	8.911141
704	74.03495	-12.8921	8.864508
705	73.90086	-12.8527	8.8167
706	73.76757	-12.8117	8.7679
707	73.6325	-12.7692	8.71829
708	73.49308	-12.7253	8.668051
709	73.34675	-12.6803	8.617367
710	73.19092	-12.6342	8.566419
711	73.02683	-12.586	8.514441
712	72.85762	-12.5346	8.460795
713	72.68357	-12.4806	8.405854
714	72.50496	-12.4245	8.349992
715	72.3221	-12.3667	8.293583
716	72.13526	-12.3078	8.237001
717	71.94474	-12.2482	8.180619
718	71.75082	-12.1885	8.124813
719	71.55379	-12.1291	8.069954
720	71.35394	-12.0706	8.016418
721	71.14851	-12.012	7.963455
722	70.93552	-11.9523	7.910253
723	70.7164	-11.8919	7.857093
724	70.49257	-11.8311	7.804255
725	70.26546	-11.7701	7.752017
726	70.03651	-11.7093	7.700661
727	69.80715	-11.6491	7.650465
728	69.5788	-11.5896	7.601709
729	69.35289	-11.5313	7.554674
730	69.13086	-11.4744	7.509639
731	68.90851	-11.418	7.465744
732	68.68202	-11.3611	7.422152
733	68.45339	-11.3042	7.379175
734	68.22463	-11.2478	7.337125
735	67.99772	-11.1924	7.296314
736	67.77466	-11.1383	7.257055
737	67.55745	-11.0862	7.219659
738	67.34809	-11.0364	7.184439
739	67.14858	-10.9895	7.151706
740	66.9609	-10.9458	7.121774
741	66.78127	-10.9041	7.093453
742	66.60504	-10.863	7.065563
743	66.43297	-10.8228	7.038434
744	66.26579	-10.784	7.012395
745	66.10425	-10.7468	6.987772
746	65.94909	-10.7117	6.964895
747	65.80105	-10.6791	6.944092
748	65.66088	-10.6493	6.925691
749	65.52931	-10.6226	6.910021
750	65.40709	-10.5996	6.897409
751	65.2951	-10.5797	6.887301
752	65.19242	-10.5621	6.878702
753	65.09703	-10.5463	6.871284
754	65.00692	-10.5318	6.864718
755	64.9201	-10.5182	6.858674
756	64.83455	-10.5051	6.852824
757	64.74827	-10.4918	6.84684
758	64.65926	-10.4781	6.840392
759	64.5655	-10.4633	6.833151
760	64.46499	-10.4471	6.82479
761	64.35851	-10.4297	6.815316
762	64.24844	-10.4118	6.805027
763	64.13521	-10.3933	6.794022
764	64.01927	-10.3744	6.782401
765	63.90103	-10.355	6.770265
766	63.78094	-10.3352	6.757713
767	63.65942	-10.315	6.744847
768	63.53691	-10.2945	6.731765
769	63.41384	-10.2738	6.718568
770	63.29064	-10.2528	6.705357
771	63.16448	-10.231	6.691683
772	63.03333	-10.2081	6.677182
773	62.89879	-10.1843	6.662076
774	62.76245	-10.1601	6.64659
775	62.62594	-10.1356	6.630946
776	62.49085	-10.1113	6.615369
777	62.35878	-10.0875	6.600082
778	62.23134	-10.0644	6.585309
779	62.11014	-10.0425	6.571273
780	61.99678	-10.0219	6.558197
781	61.88904	-10.0024	6.545805
782	61.78379	-9.98325	6.533685
783	61.68122	-9.9646	6.52186
784	61.58157	-9.94644	6.510353
785	61.48503	-9.92879	6.499186
786	61.39182	-9.9117	6.488381
787	61.30215	-9.89517	6.477962
788	61.21624	-9.87925	6.467951
789	61.1343	-9.86395	6.45837
790	61.05654	-9.84932	6.449243
791	60.98207	-9.83523	6.440488
792	60.90991	-9.82158	6.432008
793	60.84012	-9.80835	6.423804
794	60.7728	-9.79555	6.415876
795	60.70799	-9.78315	6.408224
796	60.64579	-9.77117	6.400849
797	60.58625	-9.7596	6.393751
798	60.52946	-9.74842	6.38693
799	60.47549	-9.73764	6.380386
800	60.42441	-9.72726	6.37412
801	60.37546	-9.7172	6.368082
802	60.32796	-9.70744	6.362224
803	60.28203	-9.69795	6.35655
804	60.23782	-9.68876	6.351065
805	60.19545	-9.67986	6.345775
806	60.15506	-9.67125	6.340682
807	60.1168	-9.66293	6.335793
808	60.08079	-9.6549	6.331112
809	60.04717	-9.64717	6.326643
810	60.01609	-9.63974	6.322392
811	59.9863	-9.63252	6.31828
812	59.95676	-9.62543	6.314245
813	59.92792	-9.61852	6.310313
814	59.90021	-9.61181	6.30651
815	59.87405	-9.60532	6.302863
816	59.84988	-9.59909	6.299396
817	59.82813	-9.59316	6.296136
818	59.80924	-9.58754	6.29311
819	59.79364	-9.58227	6.290342
820	59.78176	-9.57738	6.28786
821	59.77201	-9.57276	6.285561
822	59.76262	-9.56828	6.283338
823	59.75374	-9.56396	6.281207
824	59.74553	-9.55983	6.279186
825	59.73815	-9.55589	6.277289
826	59.73175	-9.55216	6.275535
827	59.72651	-9.54868	6.273939
828	59.72256	-9.54545	6.272517
829	59.72008	-9.54249	6.271287
830	59.71922	-9.53982	6.270266
