{"id":13328,"date":"2009-12-22T22:19:24","date_gmt":"2009-12-22T21:19:24","guid":{"rendered":"http:\/\/www.boscarol.com\/blog\/?p=13328"},"modified":"2009-12-28T12:35:47","modified_gmt":"2009-12-28T11:35:47","slug":"mac-os-x-gamut-di-profili-con-colorsync-utility","status":"publish","type":"post","link":"http:\/\/www.boscarol.com\/blog\/?p=13328","title":{"rendered":"Mac OS X: gamut di profili con ColorSync Utility"},"content":{"rendered":"<p>Per i profili ICC\u00a0<strong>a tabella<\/strong>, ColorSync Utility pu\u00f2 tracciare il grafico del gamut del profilo in due diverse finestre.<\/p>\n<p>&#8212;<\/p>\n<p>Il gamut pu\u00f2 essere tracciato nella <span style=\"text-decoration: underline;\">finestra generale<\/span>, come indicato qui sotto:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-13330\" style=\"border: 0px none;\" title=\"ColorSync Utility 4.6.2\" src=\"https:\/\/i1.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu2.jpg?resize=466%2C353\" alt=\"ColorSync Utility 4.6.2\" width=\"466\" height=\"353\" srcset=\"https:\/\/i1.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu2.jpg?w=583 583w, https:\/\/i1.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu2.jpg?w=300 300w\" sizes=\"(max-width: 466px) 100vw, 466px\" data-recalc-dims=\"1\" \/><\/p>\n<p>In questo caso viene rappresentata solo la tabella dell&#8217;intento di rendering percettivo.<\/p>\n<p>&#8212;<\/p>\n<p>Il gamut pu\u00f2 anche essere tracciato nella <span style=\"text-decoration: underline;\">finestra del profilo<\/span> stesso. In questo caso si pu\u00f2 avere il gamut di ognuna delle tre tabelle A2B del profilo, come negli <em>screen shot<\/em> qui sotto:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-13331\" style=\"border: 0px none;\" title=\"csu5\" src=\"https:\/\/i2.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu5.jpg?resize=257%2C237\" alt=\"csu5\" width=\"257\" height=\"237\" srcset=\"https:\/\/i2.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu5.jpg?w=535 535w, https:\/\/i2.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu5.jpg?w=300 300w\" sizes=\"(max-width: 257px) 100vw, 257px\" data-recalc-dims=\"1\" \/> <img loading=\"lazy\" class=\"alignnone size-full wp-image-13332\" style=\"border: 0px none;\" title=\"csu6\" src=\"https:\/\/i2.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu6.jpg?resize=257%2C237\" alt=\"csu6\" width=\"257\" height=\"237\" srcset=\"https:\/\/i2.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu6.jpg?w=535 535w, https:\/\/i2.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu6.jpg?w=300 300w\" sizes=\"(max-width: 257px) 100vw, 257px\" data-recalc-dims=\"1\" \/> <img loading=\"lazy\" class=\"alignnone size-full wp-image-13333\" style=\"border: 0px none;\" title=\"csu7\" src=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu7.jpg?resize=257%2C237\" alt=\"csu7\" width=\"257\" height=\"237\" srcset=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu7.jpg?w=535 535w, https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu7.jpg?w=300 300w\" sizes=\"(max-width: 257px) 100vw, 257px\" data-recalc-dims=\"1\" \/><\/p>\n<p>Ricordo che ognuna delle tabelle A2B contiene una trasformazione <strong>da<\/strong> periferica <strong>a<\/strong> colorimetria (mentre le tabelle B2A hanno le trasformazioni inverse, da colorimetria a periferica) corrispondente a un intento di rendering secondo questo schema:<\/p>\n<ul>\n<li>A2B0: percettivo;<\/li>\n<li>A2B1: colorimetrico relativo;<\/li>\n<li>A2B2: saturazione.<\/li>\n<\/ul>\n<p>Nessun profilo ICC pu\u00f2 contenere, per specifica, la tabella dell&#8217;intento colorimetrico assoluto, e quindi ColorSync non pu\u00f2 fornire il grafico relativo (che sarebbe quello pi\u00f9 corretto per valutare il gamut).<\/p>\n<p>&#8212;<\/p>\n<p>Nella finestra generale si possono anche fare confronti tra gamut, come indicato qui sotto, ma solo per l&#8217;intento percettivo:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-13338\" style=\"border: 0px none;\" title=\"csu9\" src=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu9.jpg?resize=466%2C353\" alt=\"csu9\" width=\"466\" height=\"353\" srcset=\"https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu9.jpg?w=583 583w, https:\/\/i0.wp.com\/www.boscarol.com\/blog\/wp-content\/uploads\/2009\/12\/csu9.jpg?w=300 300w\" sizes=\"(max-width: 466px) 100vw, 466px\" data-recalc-dims=\"1\" \/><\/p>\n<p>Invece nella finestra del profilo non si possono fare confronti tra gamut, se non confrontandoli &#8220;ad occhio&#8221;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Per i profili ICC\u00a0a tabella, ColorSync Utility pu\u00f2 tracciare il grafico del gamut del profilo in due diverse finestre. &#8212; Il gamut pu\u00f2 essere tracciato nella finestra generale, come indicato qui sotto: In questo caso viene rappresentata solo la tabella dell&#8217;intento di rendering percettivo. &#8212; Il gamut pu\u00f2 anche essere tracciato nella finestra del profilo [&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":[466,350],"tags":[137],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pjoVH-3sY","jetpack_sharing_enabled":true,"jetpack_likes_enabled":false,"_links":{"self":[{"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13328"}],"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=13328"}],"version-history":[{"count":10,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13328\/revisions"}],"predecessor-version":[{"id":13387,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13328\/revisions\/13387"}],"wp:attachment":[{"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13328"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.boscarol.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}