{"id":38803,"date":"2024-06-17T10:54:50","date_gmt":"2024-06-17T08:54:50","guid":{"rendered":"https:\/\/www.swisslearn.org\/?p=38803"},"modified":"2024-06-27T11:31:42","modified_gmt":"2024-06-27T09:31:42","slug":"partie-visible-dune-droite-exemples","status":"publish","type":"post","link":"https:\/\/www.swisslearn.org\/?p=38803","title":{"rendered":"Partie visible d&rsquo;une droite: exemples"},"content":{"rendered":"\n<p>Une droite a une longueur infinie. En consid\u00e9rant que les 3 plan du rep\u00e8re (sol, mur et parois) sont opaques, seule une segment d&rsquo;une droite est visible. Pour dessiner la partie visible d&rsquo;une droite il faut d&rsquo;abord d\u00e9terminer ses intersections avec le sol (<em>z<\/em> = 0), le mur (<em>x<\/em> = 0) et la paroi (<em>y<\/em> = 0). Parmis ces intersections, celles avec au moins une coordonn\u00e9e n\u00e9gative ne font par partie de la partie visible de la droite.<\/p>\n<p>Les exemples ci-dessous illustrent les parties visible de divers droites. Cliquez sur chaque image pour voir la repr\u00e9sentation en 3D :<\/p>\n<p><a href=\"https:\/\/www.swisslearn.org\/?p=38825\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38804\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-01.png\" alt=\"\" width=\"300\" height=\"234\" \/><\/a> <a href=\"https:\/\/www.swisslearn.org\/?p=38836\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38805\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-02.png\" alt=\"\" width=\"300\" height=\"234\" \/><\/a> <a href=\"https:\/\/www.swisslearn.org\/?p=38840\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38811\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-03-1.png\" alt=\"\" width=\"300\" height=\"240\" \/><\/a> \u00a0<a href=\"https:\/\/www.swisslearn.org\/?p=38844\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38807\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-04.png\" alt=\"\" width=\"300\" height=\"251\" \/><\/a> <a href=\"https:\/\/www.swisslearn.org\/?p=38852\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38808\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-05.png\" alt=\"\" width=\"300\" height=\"251\" \/><\/a> <a href=\"https:\/\/www.swisslearn.org\/?p=38854\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38809\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-06.png\" alt=\"\" width=\"300\" height=\"251\" \/><\/a> <a href=\"https:\/\/www.swisslearn.org\/?p=38858\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38810\" src=\"https:\/\/www.swisslearn.org\/wp-content\/uploads\/2024\/06\/partie-visible-droite-07.png\" alt=\"\" width=\"300\" height=\"251\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une droite a une longueur infinie. En consid\u00e9rant que les 3 plan du rep\u00e8re (sol, mur et parois) sont opaques, seule une segment d&rsquo;une droite est visible. Pour dessiner la partie visible d&rsquo;une droite il faut d&rsquo;abord d\u00e9terminer ses intersections avec le sol (z = 0), le mur (x = 0) et la paroi (y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[36,10,58],"tags":[],"class_list":["post-38803","post","type-post","status-publish","format-standard","hentry","category-astuce-du-jour","category-geometrie","category-geometrie-de-lespace"],"blocksy_meta":"","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Bahram Zaerpour","author_link":"https:\/\/www.swisslearn.org\/?author=1"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/www.swisslearn.org\/?cat=36\" rel=\"category\">Astuce du jour<\/a> <a href=\"https:\/\/www.swisslearn.org\/?cat=10\" rel=\"category\">G\u00e9om\u00e9trie<\/a> <a href=\"https:\/\/www.swisslearn.org\/?cat=58\" rel=\"category\">G\u00e9om\u00e9trie de l'espace<\/a>","rttpg_excerpt":"Une droite a une longueur infinie. En consid\u00e9rant que les 3 plan du rep\u00e8re (sol, mur et parois) sont opaques, seule une segment d&rsquo;une droite est visible. Pour dessiner la partie visible d&rsquo;une droite il faut d&rsquo;abord d\u00e9terminer ses intersections avec le sol (z = 0), le mur (x = 0) et la paroi (y\u2026","_links":{"self":[{"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=\/wp\/v2\/posts\/38803"}],"collection":[{"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38803"}],"version-history":[{"count":18,"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=\/wp\/v2\/posts\/38803\/revisions"}],"predecessor-version":[{"id":39158,"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=\/wp\/v2\/posts\/38803\/revisions\/39158"}],"wp:attachment":[{"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.swisslearn.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}