{"id":5529,"date":"2023-08-18T13:47:07","date_gmt":"2023-08-18T11:47:07","guid":{"rendered":"https:\/\/www.proof.de\/?post_type=encyclopedia&p=5529"},"modified":"2023-08-18T16:52:00","modified_gmt":"2023-08-18T14:52:00","slug":"barevne-spektrum","status":"publish","type":"encyclopedia","link":"http:\/\/blog.proofs.de\/cs\/lexikon\/farbspektrum\/","title":{"rendered":"Barevn\u00e9 spektrum"},"content":{"rendered":"
\n \n
\n \n
\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n <\/div>\n \n
\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n <\/div>\n<\/div>\n \n\n
\n Hodnotit nyn\u00ed<\/span>\n <\/div>\n <\/div>\n

V tiska\u0159sk\u00e9m pr\u016fmyslu se term\u00ednem barevn\u00e9 spektrum obvykle ozna\u010duje dosa\u017eiteln\u00fd barevn\u00fd prostor.<\/h3>\n

\"Barevn\u00e9 spektrum<\/a>\" popisuje souhrn barev, kter\u00e9 dok\u00e1\u017ee tiskov\u00fd proces nebo konkr\u00e9tn\u00ed tisk\u00e1rna reprodukovat. Barevn\u00e9 spektrum je ur\u010deno pou\u017eit\u00fdmi tiskov\u00fdmi barvami, inkousty a tiskov\u00fdmi technikami. \"Nov\u00e1 tisk\u00e1rna CANON m\u00e1 super barevn\u00e9 spektrum\" by byla klasick\u00e1 hovorov\u00e1 formulace.<\/p>\n

\u010c\u00edm v\u011bt\u0161\u00ed je barevn\u00fd prostor<\/a> tiskov\u00e9ho procesu, t\u00edm v\u00edce r\u016fzn\u00fdch barev lze p\u0159esn\u011b reprodukovat. Tiskov\u00e9 technologie, jako je ofsetov\u00fd tisk<\/a>, flexografick\u00fd tisk<\/a> a digit\u00e1ln\u00ed tisk, maj\u00ed r\u016fzn\u00e1 barevn\u00e1 spektra, kter\u00e1 z\u00e1vis\u00ed na barv\u011b, podkladu a dal\u0161\u00edch technick\u00fdch faktorech, jako jsou procesn\u00ed nebo p\u0159\u00edm\u00e9 barvy.<\/p>\n

Kontrola barevn\u00e9ho gamutu je d\u016fle\u017eit\u00fdm aspektem tiska\u0159sk\u00e9ho pr\u016fmyslu, zejm\u00e9na pokud jde o reprodukci p\u0159esn\u00fdch a konzistentn\u00edch barev v ti\u0161t\u011bn\u00fdch materi\u00e1lech. Syst\u00e9my spr\u00e1vy barev<\/a> se pou\u017e\u00edvaj\u00ed k zaji\u0161t\u011bn\u00ed toho, aby barvy na ti\u0161t\u011bn\u00e9m produktu odpov\u00eddaly zam\u00fd\u0161len\u00fdm hodnot\u00e1m barev, digit\u00e1ln\u00ed n\u00e1tisky<\/a> se pou\u017e\u00edvaj\u00ed pro kontrolu na stroji a p\u0159edem v procesu n\u00e1vrhu pro barevn\u011b p\u0159esn\u00e9 zobrazen\u00ed n\u00e1sledn\u00fdch v\u00fdtisk\u016f.<\/p>\n

Barevn\u00e9 spektrum v\u0161ak m\u016f\u017ee b\u00fdt tak\u00e9 jedin\u00e9 spektrum jedn\u00e9 barvy.<\/h3>\n

Pokud se barva m\u011b\u0159\u00ed pomoc\u00ed spektr\u00e1ln\u00edho m\u011b\u0159ic\u00edho za\u0159\u00edzen\u00ed, vytvo\u0159\u00ed se soubor, do kter\u00e9ho se nap\u0159\u00edklad p\u0159i m\u011b\u0159en\u00ed monitor\u016f zap\u00ed\u0161e emisn\u00ed barevn\u00e9 spektrum nebo p\u0159i m\u011b\u0159en\u00ed tisk\u016f se do souboru zap\u00ed\u0161e remisn\u00ed barevn\u00e9 spektrum. Typick\u00e9 soubory jako nap\u0159. CXF<\/a> (Form\u00e1t v\u00fdm\u011bny barev) nebo CGATS<\/a> obsahuj\u00ed barevn\u00e9 spektrum nebo n\u011bkolik barevn\u00fdch spekter, kter\u00e1 jsou v souboru zobrazena spektr\u00e1ln\u011b. Pro ka\u017ed\u00fd bod m\u011b\u0159en\u00ed vlnov\u00e9 d\u00e9lky m\u011b\u0159ic\u00edho za\u0159\u00edzen\u00ed je ulo\u017eena hodnota, ze kter\u00e9 lze n\u00e1sledn\u011b vypo\u010d\u00edtat hodnotu barvy.<\/p>\n

P\u0159\u00edklad takov\u00e9ho souboru CGATS lze nal\u00e9zt v na\u0161em tabulce b\u00edl\u00fdch pap\u00edr\u016f pro tisk<\/a>, kde jsme zm\u011b\u0159ili barevn\u00e9 spektrum pap\u00edru a zve\u0159ejnili ho jako soubor. Takov\u00fd soubor CGATS vypad\u00e1 n\u00e1sledovn\u011b:<\/p>\n

CGATS.17\r\nP\u016fvodce \"Proof GmbH, https:\/\/blog1.proofen.de | BabelColor CT&A, verze 4.0.0 b298\"\r\nLGOROWLENGTH 1\r\nCREATED \"2019-02-28\" # \u010cas: 16:51:26\r\nINSTRUMENTACE \"i1Pro 2 (XRGA)\"\r\n# S\u00e9riov\u00e9 \u010d\u00edslo p\u0159\u00edstroje: \"1095898\"\r\n#\r\n# N\u00e1zev vzorku-1 (S1): \"Arktika-GC1-M2\".\r\n#\r\nMEASUREMENT_SOURCE \"\"S1: Reflectance (M2) Illuminant:D50 Observer:2_deg Units=Reflectance(0-1) WhiteBase=Automatic Filter=no\"\"\r\n#\r\nKL\u00cd\u010cOV\u00c9 SLOVO \"SAMPLE_ID\"\r\nKL\u00cd\u010cOV\u00c9 SLOVO \"SAMPLE_NAME\r\nNUMBER_OF_FIELDS 44\r\nBEGIN_DATA_FORMAT\r\nSAMPLE_ID SAMPLE_NAME L*a*b*_L L*a*b*_a L*a*b*_b L*C*h*(ab)_L L*C*h*(ab)_C L*C*h*(ab)_h nm380 nm390 nm400 nm410 nm420 nm430 nm440 nm450 nm460 nm470 nm480 nm490 nm500 nm510 nm520 nm530 nm540 nm550 nm560 nm570 nm580 nm590 nm600 nm610 nm620 nm630 nm640 nm650 nm660 nm670 nm680 nm690 nm700 nm710 nm720 nm730\r\nEND_DATA_FORMAT\r\nNUMBER_OF_SETS 1\r\nBEGIN_DATA\r\n1 Arktika-GC1-M2 95,45 0,6834 3,022 95,45 3,098 77,26 0,4987 0,5423 0,5984 0,7088 0,7831 0,8209 0,8362 0,8462 0,8558 0,8625 0,8682 0,8732 0,8764 0,8783 0,8805 0,8803 0,8811 0,8822 0,8806 0,8840 0,8856 0,8896 0,8943 0,8997 0,9078 0,9182 0,9316 0,9424 0,9501 0,9546 0,9563 0,9571 0,9612 0,9646 0,9671 0,9711\r\nEND_DATA<\/pre>\n
V \u0159\u00e1dku \"Sample_ID\", za slovem LAB<\/a> a LCH jsou nam\u011b\u0159en\u00e1 spektra uvedena ve sloupc\u00edch od 380 do 730 nanometr\u016f; \u0159\u00e1dek pod \"BEGIN_DATA\" pak obsahuje p\u0159\u00edslu\u0161n\u00e9 nam\u011b\u0159en\u00e9 hodnoty, z nich\u017e byly vypo\u010dteny hodnoty barev LAB a LCH.<\/p>\n
Term\u00edn barevn\u00e9 spektrum se zde tedy vztahuje na skute\u010dn\u011b individu\u00e1ln\u00ed barevn\u00e9 spektrum m\u011b\u0159en\u00e9 barvy, a nikoli na barevn\u00fd prostor tisk\u00e1rny nebo tiskov\u00e9ho procesu.<\/p>","protected":false},"excerpt":{"rendered":"
V tiska\u0159sk\u00e9m pr\u016fmyslu se term\u00ednem barevn\u00e9 spektrum obvykle ozna\u010duje dosa\u017eiteln\u00fd barevn\u00fd prostor. \"Barevn\u00e9 spektrum\" popisuje souhrn barev, kter\u00e9 m\u016f\u017ee tiskov\u00fd proces nebo konkr\u00e9tn\u00ed tisk\u00e1rna reprodukovat. Barevn\u00e9 spektrum je ur\u010deno pou\u017eit\u00fdmi tiskov\u00fdmi barvami, inkousty a tiskov\u00fdmi technikami. \"Nov\u00e1 tisk\u00e1rna CANON m\u00e1 super barevn\u00e9 spektrum\" by byla klasick\u00e1 hovorov\u00e1 formulace. \u010c\u00edm v\u011bt\u0161\u00ed je barevn\u00fd rozsah tiskov\u00e9ho procesu, t\u00edm v\u00edce r\u016fzn\u00fdch barev lze p\u0159esn\u011b reprodukovat. Tiskov\u00e9 technologie, jako je ofsetov\u00fd tisk, flexotisk a digit\u00e1ln\u00ed tisk, maj\u00ed r\u016fzn\u00e9 barevn\u00e9 spektrum, kter\u00e9 z\u00e1vis\u00ed na tiskov\u00e9 barv\u011b, podkladu a dal\u0161\u00edch technick\u00fdch faktorech, jako jsou procesn\u00ed nebo p\u0159\u00edm\u00e9 barvy. ... <\/p>\n
P\u0159e\u010dt\u011bte si v\u00edce<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-5529","encyclopedia","type-encyclopedia","status-publish","hentry","no-featured-image-padding"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t