{"id":1742,"date":"2008-09-04T00:19:56","date_gmt":"2008-09-03T22:19:56","guid":{"rendered":"http:\/\/www.boscarol.com\/blog\/?p=1742"},"modified":"2016-04-25T23:00:07","modified_gmt":"2016-04-25T21:00:07","slug":"wide-gamut","status":"publish","type":"post","link":"http:\/\/www.boscarol.com\/blog\/?p=1742","title":{"rendered":"Wide Gamut"},"content":{"rendered":"<p>Tradotto in italiano \u201cRGB ad ampia gamma\u201d. \u00c8 completamente interno al diagramma di cromaticit\u00e0, anche se dal grafico qui sotto non pare.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-1744\" title=\"Gamut dello spazio Wide Gamut in Yxy\" src=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2008\/09\/spazio_widegamut.jpg?resize=224%2C250\" alt=\"\" width=\"224\" height=\"250\" data-recalc-dims=\"1\" \/> <img loading=\"lazy\" class=\"alignnone size-full wp-image-18441\" title=\"WideGamut\" src=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2008\/09\/wg.jpg?resize=224%2C250\" alt=\"\" width=\"224\" height=\"250\" data-recalc-dims=\"1\" \/>\u00a0\u00a0<img loading=\"lazy\" class=\"alignnone size-full wp-image-25926\" src=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2008\/09\/Photoshop-CCSnapz008.jpg?resize=268%2C344\" alt=\"Photoshop CCSnapz008\" width=\"268\" height=\"344\" srcset=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2008\/09\/Photoshop-CCSnapz008.jpg?w=268 268w, https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2008\/09\/Photoshop-CCSnapz008.jpg?resize=234%2C300 234w\" sizes=\"(max-width: 268px) 100vw, 268px\" data-recalc-dims=\"1\" \/><\/p>\n<p><strong><br \/>\nCaratteristiche<\/strong><\/p>\n<p>Uno spazio colore RGB che ha il massimo gamut possibile mantenendo i primari all\u2019interno del diagramma delle cromaticit\u00e0. I primari sono tre colori spettrali, precisamente a 700, 525 e 450 nm.<\/p>\n<p>Il bianco \u00e8 D50 e il gamma 2.2.<\/p>\n<p>Ispirato a \u201cthe maximum additive triangle of Hardy and Wurzburg\u201d che per\u00f2 aveva i primari a 700, 535, 400 nm (Evans <em>An Introduction to Color<\/em>, 1937, pag. 238) \u00e8 stato introdotto con Adobe Photoshop nel 1998.<\/p>\n<p>Richiede immagini a profondit\u00e0 di almeno 16 bit, perch\u00e9 a causa della sua ampiezza, le immagini a 8 bit per primario vengono posterizzate specialmente nei verdi chiari.<\/p>\n<p><strong><br \/>\nProfilo ICC<\/strong><\/p>\n<p>Adobe inserisce nelle applicazioni della Creative Suite (Photoshop, Illustrator, InDesign) un profilo ICC versione 2.1.<\/p>\n<p><strong><br \/>\nUtilizzo<\/strong><\/p>\n<p>Oggi \u00e8 usato raramente. Secondo Bruce Fraser<\/p>\n<blockquote><p><em>Wide Gamut RGB, which is built into Photoshop, is pretty wide but has weak blues that tend to shift to purple, and hues tend to shift when you edit tone. This happens to some extent in any RGB space, but it\u2019s much more pronounced in wide-gamut spaces in general, and even more so in Wide Gamut RGB<\/em>.<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tradotto in italiano \u201cRGB ad ampia gamma\u201d. \u00c8 completamente interno al diagramma di cromaticit\u00e0, anche se dal grafico qui sotto non pare. \u00a0\u00a0 Caratteristiche Uno spazio colore RGB che ha il massimo gamut possibile mantenendo i primari all\u2019interno del diagramma delle cromaticit\u00e0. I primari sono tre colori spettrali, precisamente a 700, 525 e 450 nm. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[107],"tags":[32,145],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pjoVH-s6","jetpack_sharing_enabled":true,"jetpack_likes_enabled":false,"_links":{"self":[{"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1742"}],"collection":[{"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1742"}],"version-history":[{"count":15,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1742\/revisions"}],"predecessor-version":[{"id":25927,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1742\/revisions\/25927"}],"wp:attachment":[{"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1742"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}