{"id":1645,"date":"2020-02-20T16:56:00","date_gmt":"2020-02-20T15:56:00","guid":{"rendered":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/?p=1645"},"modified":"2021-12-16T17:05:11","modified_gmt":"2021-12-16T16:05:11","slug":"la-construction-dune-image-numerique","status":"publish","type":"post","link":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/2020\/02\/20\/la-construction-dune-image-numerique\/","title":{"rendered":"La construction d&rsquo;une image num\u00e9rique"},"content":{"rendered":"\n<p><strong><em>Travailler sur le code couleurs des pixels d&rsquo;une image : une nouvelle activit\u00e9 propos\u00e9e dans le cadre de la formation au num\u00e9rique des \u00e9l\u00e8ves.<\/em><\/strong><\/p>\n\n\n\n<p>Il s&rsquo;agit ici d&rsquo;\u00e9laborer un petit programme pour mat\u00e9rialiser un encadrement autour de tableaux. Ces cadres doivent \u00eatre d\u2019une couleur choisie de fa\u00e7on al\u00e9atoire parmi les couleurs de l&rsquo;\u0153uvre. Cette tentative du num\u00e9rique pour reproduire l\u2019<strong>al\u00e9atoire<\/strong>&nbsp;est une des composantes essentielles de la&nbsp;<strong>simulation d\u2019exp\u00e9riences<\/strong>&nbsp;(comme pour les simulateurs de vol dans l\u2019a\u00e9ronautique ou les crash tests dans l\u2019industrie automobile).<\/p>\n\n\n\n<h5 class=\"has-background wp-block-heading\" style=\"background-color:#e1f1f1\">\u2592 <a href=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2021\/12\/La_construction_d_une_image_numerique.pdf\">\u00a0La construction d&rsquo;une image num\u00e9rique.pdf<\/a><\/h5>\n\n\n\n<p class=\"wp-block-pdfemb-pdf-embedder-viewer\"><\/p>\n\n\n\n<p>Ce nouveau d\u00e9fi propos\u00e9 par\u00a0<strong>Jean-Alain Roddier<\/strong>, IA-IPR de math\u00e9matiques permet d&rsquo;aborder la construction d&rsquo;une image num\u00e9rique avec les notions de pixel et de code couleur mais aussi de g\u00e9n\u00e9ration pseudo-al\u00e9atoire de nombres.<\/p>\n\n\n\n<p><strong>Plus d\u2019informations<\/strong><br><a href=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/category\/formations-au-numerique\/formation-au-numerique-des-eleves\/\">Retrouvez tous les documents de la formation au num\u00e9rique des \u00e9l\u00e8ves<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Travailler sur le code couleurs des pixels d&rsquo;une image : une nouvelle activit\u00e9 propos\u00e9e dans le cadre de la formation au num\u00e9rique des \u00e9l\u00e8ves. Il s&rsquo;agit ici d&rsquo;\u00e9laborer un petit [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1647,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":""},"categories":[32],"tags":[],"class_list":{"0":"post-1645","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-formation-au-numerique-des-eleves","8":"czr-hentry"},"_links":{"self":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/1645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/comments?post=1645"}],"version-history":[{"count":1,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/1645\/revisions"}],"predecessor-version":[{"id":1648,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/1645\/revisions\/1648"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/media\/1647"}],"wp:attachment":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/media?parent=1645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/categories?post=1645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/tags?post=1645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}