Inta badan aduunka iftiinka ayaa ka warqaba CRI, oo sidoo kale loo yaqaan Tusmada midabaynta midabka. Waxaa sida ugu wanaagsan loogu tilmaami karaa cabbirka cabbirka awoodda isha iftiinka ee la siiyay si ay u muujiso midabada walxaha kala duwan si daacadnimo ah marka la barbar dhigo isha iftiinka ku habboon ama dabiiciga ah. Markasta oo uu sareeyo qiimaha CRI ee isha iftiinka, waa inta saxda ah ee muuqaalka midabka shay la siiyay.
Kartida CIE Ra ee saadaalinta muuqaalka midabka ayaa lagu dhaleeceeyay cabbirada ku salaysan moodooyinka muuqaalka midabka, sida CIECAM02 iyo tusmada metamerism-ka CIE ee masalayaasha iftiinka maalintii. CRI maaha tilmaame wanaagsan oo loo isticmaalo qiimeynta muuqaalka ee ilaha iftiinka, gaar ahaan ilaha ka hooseeya 5000 kelvin (K). Heerarka cusub, sida IES TM-30, ayaa xalliya arrimahan oo waxay bilaabeen inay beddelaan isticmaalka CRI ee naqshadeeyayaasha nalalka xirfadlayaasha ah. Si kastaba ha ahaatee, CRI weli waa mid ka mid ah alaabada nalka guriga.
TM30-15 Waxa uu ka kooban yahay 3 Qaybood oo Muhiim ah
- Rf: La mid ah CIE Ra (CRI). Waxa uu tilmaamayaa celceliska isbeddelka midabka ee 99 CES si loo muujiyo heerka guud ee isku ekaanshaha isha tijaabada iyo iftiinka tixraaca. Qiimaha ayaa u dhexeeya 0 ilaa 100.
- Rg: Wuxuu is barbar dhigayaa aagga ay kuxiran tahay isku-duwayaasha koromomaticity-ga mid kasta oo ka mid ah 16 hue bins si uu u garto celceliska heerka buuxinta isha tijaabada marka la barbar dhigo iftiinka tixraaca. Dhibcaha dhexdhexaadka ah waa 100, oo leh qiyam ka badan 100 oo muujinaya kororka saturation iyo qiyamka wax ka yar 100 oo muujinaya hoos u dhaca saturation. Kala duwanaanshaha qiyamku wuu koraa marka daacadnimadu hoos u dhacdo.
- Tusmada garaafka ee Rg si muuqaal ahaan loogu matalo midabada la dhaqay ama ka sii iftiimay isha iftiinka awgeed. Waxay ka kooban tahay Sawirka Midabka Vector, Sawirka Saturation Midabka.
Midabka Sawirka Sawirka: Wuxuu bixiyaa muuqaal muuqaal ah oo midab leh iyo isbeddellada dheregta oo ku salaysan celceliska wax-soo-saarka bin kasta oo hue ah, marka loo eego tixraaca. Garaafku wuxuu bixiyaa faham degdeg ah oo ku saabsan sida midabada kala duwan loo bixiyo siyaabo kala duwan.
Sawirka Saturation Midabka: Wuxuu bixiyaa matalaad muuqaal ah oo la fududeeyey ee isbeddellada dheregta oo keliya oo ku salaysan celceliska waxqabadka ee bin kasta oo hue ah.
CRI VS TM-30-15
| CIE 13.3-1995 (CRI) | IES TM-30-15 | |
| Sannadka Bixinta | 1965, 1974 (Revision), 1995 | 2015 |
| Space Space | CIE 1964 UVW* | CAM02-UCS (CIECAM02) |
| Tirada Muunadaha Midabka | 8 guud (ee Ra) oo lagu daray 6 gaar ah (Ris) | 99 |
| Daboolista Mugga Midabka | Xaddidan | Buuxa oo siman |
| Muunado buuxa | Maya | Haa |
| Tusaalaha Noocyada | Muunada Munsell oo keliya (midab xaddidan) | Noocyada kala duwan ee walxaha dhabta ah |
| Tusaalaha Labbiska Spectral | Maya | Haa |
| Tixraaca Iftiinka | Shucaaca jirka madow, taxanaha CIE D | Shucaaca jirka madow, taxanaha CIE D |
| Tixraaca Kala-guurka | Ku fiiqan 5000 K | Waxa la isku daray inta u dhaxaysa 4500 K iyo 5500 K |
| Cabbiraadaha soo-saarka | Tusmada guud, Ra (daacadnimo) 6 tilmaamo gaar ah, Ri (aaminid) | Fidelity Index, Rf Tusmada Gamuut, Rg Midabka Vector/Saturation Graphics 16 tusmooyinka aaminnimada hue ku salaysan 16 tusaha chroma hue ku salaysan 1 tusmada aaminnimada maqaarka ee gaarka ah 99 qiyamka daacadnimada shakhsi ahaaneed |
| Meelaha Dhibcaha | Ugu badnaan 100 oo aan lahayn xad hoose, miisaan isbeddel ah | 0 ilaa 100, miisaan joogto ah |
Maxay TM30-15 muhiim u tahay?
- CRI waxaa laga heli karaa meel kasta maanta laambad, mana baxayso hadda. IES wali waxay sugaysaa jawaab celin waxayna u badan tahay inay la qabsato TM30-15 ka hor inta aan la bedelin CRI.
- TM30-15 waxay u badan tahay in si goos-goos ah loo isticmaali doono, gaar ahaan codsiyada halka samaynta midabku ay tahay welwelka ugu weyn (gaarayaasha, dukaamada tafaariiqda, iwm.).
- La xidhiidha TM30-15, CRI waa la khiyaami karaa, maadaama ay kaliya barbar dhigayso 9 ilaa 99 midab ee TM30-15 u dhigma. Markaa haddii aad u farsamayso wax soo saarkaaga 9-kaas midab, waxaad kordhin kartaa dhibcahaaga adigoon hagaajin tayada isha iftiinka.
Soocayaasha
- TM-30-15 waa hab la ansixiyay. Isticmaal oo bixi jawaab celin si ay uga caawiso inay gaadho qaangaadhka.
- Doorashada isha iftiinka "ka wanaagsan" waxay noqon kartaa mid aad u dhib badan laakiin sidoo kale faa'iido badan.
Hoos waxaa ku yaal muuqaallo si faahfaahsan u sharraxaya isbeddellada marka aad beddesho cabbirrada kala duwan ee kor ku taxan, sida Rf, Rg, iyo CRI, iyo isbarbardhigga garaafyada midabka midabka.
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