{"id":1882,"date":"2017-04-18T18:41:50","date_gmt":"2017-04-18T16:41:50","guid":{"rendered":"http:\/\/www.proof.de\/?p=1882"},"modified":"2020-05-08T13:29:24","modified_gmt":"2020-05-08T11:29:24","slug":"proof-de-ab-immediate-proofs-according-to-the-current-tolerance-criteria-of-iso-12647-72016","status":"publish","type":"post","link":"https:\/\/www.proof.de\/cs\/proof-de-ab-sofort-proofs-nach-den-aktuellsten-toleranzkriterien-der-iso-12647-72016\/","title":{"rendered":"Proof.de: Od nyn\u011bj\u0161ka se zkou\u0161\u00ed podle nejnov\u011bj\u0161\u00edch toleran\u010dn\u00edch krit\u00e9ri\u00ed normy ISO 12647-7:2016."},"content":{"rendered":"
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\n Hodnotit nyn\u00ed<\/span>\n <\/div>\n <\/div>\n

Na str\u00e1nk\u00e1ch D\u016fkaz<\/a>norma ISO 12647<\/a>-7 byla v listopadu 2016 revidov\u00e1na a testovac\u00ed krit\u00e9ria pro Fogra<\/a>Cert proof v\u00fdroba upravena. Tato zm\u011bn\u011bn\u00e1 krit\u00e9ria jsme nyn\u00ed za\u010dlenili do na\u0161\u00ed D\u016fkazy<\/a>yst\u00e9m a od nyn\u011bj\u0161ka pracovat podle p\u0159\u00edsn\u011bj\u0161\u00edch toleranc\u00ed nejnov\u011bj\u0161\u00ed normy ISO 12647-7:2016. Zejm\u00e9na pokud jde o p\u0159esnost barev, b\u00edlou barvu pap\u00edru a vy\u0161\u0161\u00ed po\u017eadavky na zku\u0161ebn\u00ed pap\u00edry, jsou zlep\u0161en\u00ed nov\u00e9 normy z\u0159ejm\u00e1.<\/p>\n

Pro\u010d se pro na\u0161e z\u00e1kazn\u00edky Proof t\u00e9m\u011b\u0159 nic nem\u011bn\u00ed<\/h2>\n

Dobr\u00e1 zpr\u00e1va je, \u017ee si nev\u0161imnete, \u017ee na\u0161e korektury jsou nyn\u00ed vyr\u00e1b\u011bny p\u0159esn\u011b podle nejnov\u011bj\u0161\u00edho standardu. Pro\u010d? Jednodu\u0161e: proto\u017ee na\u0161e n\u00e1roky na n\u00e1\u0161 korekturn\u00ed syst\u00e9m, na na\u0161e FIERY<\/a> Proof software, na\u0161e EFI<\/a> d\u016fkazn\u00edch pap\u00edr\u016f a m\u011b\u0159ic\u00ed techniky X-Rite jsou ji\u017e tak vysok\u00e9, \u017ee v\u0161echny sou\u010d\u00e1sti na\u0161ich d\u016fkaz\u016f - a samoz\u0159ejm\u011b i na\u0161e d\u016fkazy samotn\u00e9 - ji\u017e l\u00e9ta spl\u0148uj\u00ed nov\u00e1 krit\u00e9ria revidovan\u00e9 normy z listopadu 2016.<\/p>\n

Nejd\u016fle\u017eit\u011bj\u0161\u00ed novinky nov\u00e9ho standardu prokazov\u00e1n\u00ed ve stru\u010dnosti<\/h2>\n

1. konzistence barev<\/h2>\n

S novou normou se klasick\u00fd vzorec pro Vzd\u00e1lenost barev<\/a> Delta-E<\/a> z tradi\u010dn\u00ed definice z roku 1976 (CIELAB<\/a> 1976) na aktualizovanou verzi z roku 2000 (CIEDE2000). Proto\u017ee hodnoty nelze p\u0159ev\u00e1d\u011bt p\u0159\u00edmo, zav\u00e1d\u00ed se t\u00edm tak\u00e9 nov\u00e9 tolerance pro d\u016fkaz, kter\u00e9 plat\u00ed s okam\u017eitou platnost\u00ed. Tyto nov\u00e9 tolerance a nov\u00e1 krit\u00e9ria jsou tak\u00e9 jedin\u00fdm rozd\u00edlem, kter\u00fd na na\u0161em d\u016fkazu p\u0159i bli\u017e\u0161\u00edm pohledu uvid\u00edte.<\/p>\n

\"proof.de<\/a><\/p>\n

Pro\u010d tato zm\u011bna: Fogra uk\u00e1zala na z\u00e1klad\u011b m\u011b\u0159en\u00ed 116. D\u016fkaz o smlouv\u011b<\/a>-certifikace z roku 2016 podle star\u00fdch i nov\u00fdch toleranc\u00ed, \u017ee u star\u00e9ho vzorce \u0394Eab doch\u00e1z\u00ed k systematick\u00e9 chyb\u011b p\u0159i posuzov\u00e1n\u00ed syt\u00fdch barev. Tyto barvy m\u011bly d\u0159\u00edve p\u0159\u00edli\u0161 velkou hodnotu \u0394E- ve vztahu k vizu\u00e1ln\u00edmu hodnocen\u00ed. Nov\u00e9 hodnoty Delta-E jsou naproti tomu mnohem \"rovnom\u011brn\u011bj\u0161\u00ed\", tj. mnohem bli\u017e\u0161\u00ed lidsk\u00e9mu posouzen\u00ed barevn\u00e9ho rozd\u00edlu, co\u017e Fogra prok\u00e1zala i v testech.<\/p>\n

Odchylky v \u0161ed\u00e9 ose a chromati\u010dnosti jsou nyn\u00ed tak\u00e9 ur\u010deny p\u0159esn\u011bji, vyhodnocen\u00ed vzd\u00e1lenosti chromati\u010dnosti \u0394H je nahrazeno metrikou \u0394Ch. Tuto skute\u010dnost m\u016f\u017eete vid\u011bt i na testovac\u00edch protokolech. Fogra p\u00ed\u0161e: \"Vzhledem k tomu, \u017ee \u0394H z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na \u00fahlu chromati\u010dnosti, je vyhodnocen\u00ed neutr\u00e1ln\u00ed \u0161ed\u00e9 nebo chromaticky podobn\u00fdch barev s \u010d\u00e1ste\u010dn\u011b velmi velk\u00fdm jasem a Nasycen\u00ed<\/a>s rozd\u00edly nep\u0159in\u00e1\u0161\u00ed smyslupln\u00e9 v\u00fdsledky. M\u00edra \u0394Ch nyn\u00ed popisuje skute\u010dnou vzd\u00e1lenost dvojice barev v rovin\u011b CIEa*b*, a nen\u00ed tedy ji\u017e vhodn\u00e1 pouze pro vyhodnocen\u00ed rozd\u00edlu chromati\u010dnosti velmi syt\u00fdch barev.\"<\/p>\n

2. trvanlivost kontroln\u00edch pap\u00edr\u016f<\/h2>\n

Zaveden\u00edm nov\u00e9 normy byly jasn\u011bji upraveny zkou\u0161ky st\u00e1rnut\u00ed zku\u0161ebn\u00edch pap\u00edr\u016f. V\u0161echny certifikovan\u00e9 kontroln\u00ed pap\u00edry jsou podrobeny n\u00e1sleduj\u00edc\u00edm zkou\u0161k\u00e1m:<\/p>\n