{"id":6534,"date":"2024-06-06T11:02:31","date_gmt":"2024-06-06T11:02:31","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/back-face-culling\/"},"modified":"2024-06-06T11:02:31","modified_gmt":"2024-06-06T11:02:31","slug":"selkapuolen-poisto","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/fi\/dictionary\/back-face-culling\/","title":{"rendered":"Back Face Culling"},"content":{"rendered":"<h1>Back Face Culling<\/h1>\n<p>Back face culling on tietokonegrafiikassa k\u00e4ytetty tekniikka, jolla parannetaan kolmiulotteisten objektien render\u00f6intitehoa. Se on prosessi, jossa 3D-kohteen kasvot, jotka eiv\u00e4t n\u00e4y katsojalle, poistetaan. Tekniikka perustuu periaatteeseen, jonka mukaan kasvot n\u00e4kyv\u00e4t vain, jos niiden normaalivektori osoittaa katsojaa kohti.<\/p>\n<p>Kun 3D-objekti render\u00f6id\u00e4\u00e4n, jokaisen objektin kasvojen kohdalla tarkistetaan, onko se katsojaa kohti vai katsojasta poisp\u00e4in. Jos kasvot ovat katsojasta poisp\u00e4in, ne hyl\u00e4t\u00e4\u00e4n, ja render\u00f6intimoottori siirtyy seuraavaan kasvoon. T\u00e4t\u00e4 prosessia kutsutaan takapuolen kasvojen karsimiseksi.<\/p>\n<p>Backface culling on t\u00e4rke\u00e4 3D-grafiikassa k\u00e4ytetty tekniikka, koska se voi parantaa merkitt\u00e4v\u00e4sti render\u00f6intiprosessin suorituskyky\u00e4. Hylk\u00e4\u00e4m\u00e4ll\u00e4 n\u00e4kym\u00e4tt\u00f6m\u00e4t kasvot render\u00f6intimoottori voi keskitty\u00e4 vain n\u00e4kyvien kasvojen render\u00f6intiin, mik\u00e4 v\u00e4hent\u00e4\u00e4 kohtauksen render\u00f6intiin tarvittavien laskutoimitusten m\u00e4\u00e4r\u00e4\u00e4. T\u00e4m\u00e4 puolestaan v\u00e4hent\u00e4\u00e4 kohtauksen render\u00f6intiin kuluvaa aikaa, mik\u00e4 tekee render\u00f6intiprosessista tehokkaamman.<\/p>\n<p>Takapinnan poistoa k\u00e4ytet\u00e4\u00e4n monissa 3D-grafiikkasovelluksissa, kuten videopeleiss\u00e4, virtuaalitodellisuudessa ja tietokoneavusteisessa suunnittelussa (<a href=\"https:\/\/thecodest.co\/fi\/dictionary\/computer-aided-design-cad\/\">CAD<\/a>) ohjelmisto. Se on erityisen hy\u00f6dyllinen sovelluksissa, jotka vaativat reaaliaikaista render\u00f6inti\u00e4, kuten videopeleiss\u00e4, joissa render\u00f6intimoottorin suorituskyky on kriittinen k\u00e4ytt\u00e4j\u00e4kokemuksen kannalta.<\/p>\n<p>Yhteenvetona voidaan todeta, ett\u00e4 back face culling on tehokas tekniikka, jota k\u00e4ytet\u00e4\u00e4n 3D-grafiikassa kohteiden render\u00f6intitehon parantamiseen. Se perustuu periaatteeseen, jonka mukaan objektin kasvot, jotka eiv\u00e4t n\u00e4y katsojalle, hyl\u00e4t\u00e4\u00e4n, mik\u00e4 v\u00e4hent\u00e4\u00e4 kohtauksen render\u00f6intiin tarvittavien laskutoimitusten m\u00e4\u00e4r\u00e4\u00e4 ja tekee render\u00f6intiprosessista tehokkaamman.<\/p>","protected":false},"excerpt":{"rendered":"<p>Tutustu back face culling -tekniikkaan, jota k\u00e4ytet\u00e4\u00e4n #3Dgraphicsissa parantamaan render\u00f6intisuorituskyky\u00e4 hylk\u00e4\u00e4m\u00e4ll\u00e4 objektien ei-n\u00e4kyv\u00e4t pinnat. #tietokonegrafiikka #videopelit #CADohjelmistot<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6534","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Back Face Culling - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about back face culling, a technique used in #3Dgraphics to improve rendering performance by discarding non-visible faces of objects. #computergraphics #videogames #CADsoftware\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/fi\/sanakirja\/selkapuolen-poisto\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Back Face Culling\" \/>\n<meta property=\"og:description\" content=\"Learn about back face culling, a technique used in #3Dgraphics to improve rendering performance by discarding non-visible faces of objects. #computergraphics #videogames #CADsoftware\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thecodest.co\/fi\/sanakirja\/selkapuolen-poisto\/\" \/>\n<meta property=\"og:site_name\" content=\"The Codest\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/back-face-culling\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/back-face-culling\\\/\",\"name\":\"Back Face Culling - 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