{"id":22756,"date":"2024-12-03T17:11:19","date_gmt":"2024-12-03T16:11:19","guid":{"rendered":"https:\/\/dans.knaw.nl\/?page_id=22756"},"modified":"2024-12-03T17:14:32","modified_gmt":"2024-12-03T16:14:32","slug":"google-draco","status":"publish","type":"page","link":"https:\/\/dans.knaw.nl\/nl\/bestandsformaten\/3d\/google-draco\/","title":{"rendered":"Google Draco"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.10.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.10.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.10.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.10.7&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1><span style=\"font-weight: 400;\">Google Draco<\/span><\/h1>\n<p><span style=\"font-weight: 400;\">Een .drc-bestand is een compressieformaat voor 3D data gemaakt met de open source library Google Draco. Het formaat is ontworpen om polygonenstructuren (meshes) en point cloud data op te slaan in een bestand met een kleine bestandsgrootte en kan in dat opzicht tot goede resultaten leiden. Wel is het zo dat decompressie lang kan duren. Google Draco ondersteunt .ply en .obj voor import en output.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aspecten van 3D data zoals texturen, animaties, materialen worden niet in een .drc opgeslagen.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bij het genereren van een .drc bestand kan ingesteld worden of de opslag \u2018lossless\u2019 of \u2018lossy\u2019 is; of er volledig behoud van de originele kwaliteit is of niet. Voor digitale preservering heeft lossless compressie de voorkeur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Google Draco .drc is een non-preferred format binnen bestandstype<\/span><a href=\"https:\/\/dans.knaw.nl\/bestandsformaten\/3d\/\"> <span style=\"font-weight: 400;\">3D<\/span><\/a><span style=\"font-weight: 400;\">, maar kan een zeer acceptabele oplossing zijn voor het terugbrengen van de omvangen van grote polygonen\/point cloud databestanden. De deposant zal daarbij goed moeten controleren of lossless compressie wenselijke resultaten geeft in reductie van omvang, of dat enige mate van lossy compressie acceptabel is. Ook moet goed worden opgelet of de originele data metadata bevat en of deze in het .drc-bestand worden opgenomen.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">\u00a9 DANS. R.5.5.T.16.P.11 Versie 1.0, 26 november 2024<\/span><\/pre>\n<p><br style=\"font-weight: 400;\" \/><br style=\"font-weight: 400;\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google Draco Een .drc-bestand is een compressieformaat voor 3D data gemaakt met de open source library Google Draco. Het formaat is ontworpen om polygonenstructuren (meshes) en point cloud data op te slaan in een bestand met een kleine bestandsgrootte en kan in dat opzicht tot goede resultaten leiden. Wel is het zo dat decompressie lang [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":0,"parent":12323,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"class_list":["post-22756","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Google Draco - DANS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dans.knaw.nl\/nl\/bestandsformaten\/3d\/google-draco\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google Draco - DANS\" \/>\n<meta property=\"og:description\" content=\"Google Draco Een .drc-bestand is een compressieformaat voor 3D data gemaakt met de open source library Google Draco. 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