{"id":1562,"date":"2012-04-09T07:43:23","date_gmt":"2012-04-09T06:43:23","guid":{"rendered":"http:\/\/www.keris-studio.fr\/blog\/?p=1562"},"modified":"2014-11-23T10:49:50","modified_gmt":"2014-11-23T09:49:50","slug":"hypr3d-test-sur-le-menhir-de-kermaillard","status":"publish","type":"post","link":"https:\/\/www.keris-studio.fr\/blog\/?p=1562","title":{"rendered":"3D-photo &#8211; hypr3d, test sur le menhir de Kermaillard"},"content":{"rendered":"<p>Hypr3D est un service de photomod\u00e9lisation mis en place en 2010. <a title=\"http:\/\/www.hypr3d.com\/\" href=\"http:\/\/www.hypr3d.com\/\">http:\/\/www.hypr3d.com\/<\/a><\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image208.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb206.png\" width=\"642\" height=\"337\" \/><\/a><\/p>\n<p>Le fonctionnement se fait enti\u00e8rement \u00e0 partir de la page web, t\u00e9l\u00e9chargement des photos et calcul de la forme.<\/p>\n<p>Le r\u00e9sultat donne un mod\u00e8le 3D consultable sur le web. La r\u00e9alisation est particuli\u00e8rement pr\u00e9cise.<a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image209.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb207.png\" width=\"642\" height=\"385\" \/><\/a><\/p>\n<p>Le nuage de points et le maillage. La densit\u00e9 est peu importante compar\u00e9 \u00e0 123Dcatch. C\u2019est la r\u00e9solution de la consultation en ligne.<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image210.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb208.png\" width=\"317\" height=\"264\" \/><\/a>&#160;<a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image211.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb209.png\" width=\"317\" height=\"264\" \/><\/a><\/p>\n<p>Le mod\u00e8le peut \u00eatre t\u00e9l\u00e9charg\u00e9 \u00e0 diff\u00e9rents formats dans une archive unique :<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image212.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb210.png\" width=\"281\" height=\"165\" \/><\/a>&#160;<a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image213.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb211.png\" width=\"242\" height=\"181\" \/><\/a><\/p>\n<p>Le format haute r\u00e9solution PLY poss\u00e8de un nuage r\u00e9guli\u00e8rement distribu\u00e9, les zones plus couvertes en photographie sont plus dense en terme de point. Nota : le nuage est orient\u00e9 avec le Y vertical.<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image214.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb212.png\" width=\"642\" height=\"232\" \/><\/a><\/p>\n<p>Mod\u00e8le reconstruit et son maillage, comme pour Photosynth, la texture est donn\u00e9e par la couleur des points. LA densit\u00e9 au niveau de la gravure est donn\u00e9e par le mode d\u2019affichage (ar\u00eates visibles).<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image215.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb213.png\" width=\"642\" height=\"434\" \/><\/a><\/p>\n<p>Comparaison des diff\u00e9rents maillages issus de Hypr3D. Le STL poss\u00e8de une \u00e9chelle autre, de fait il est en \u00e9chelle pieds\/pouces, contrairement aux nuages auxquels il a \u00e9t\u00e9 donn\u00e9 d\u2019imposer l\u2019\u00e9chelle.<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image216.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb214.png\" width=\"642\" height=\"393\" \/><\/a><\/p>\n<p>Deux autres fichiers sont disponibles, au format DAE en haute et basse r\u00e9solution. Pour le test, il sont ouverts dans Sketchup et 3DsMax. Les DAE utilisent une texture en JPG g\u00e9n\u00e9r\u00e9e par le Hypr3D.<a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image217.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb215.png\" width=\"576\" height=\"279\" \/><\/a><\/p>\n<p>L\u2019importation dans Sketchup se fait sans soucis pour le mod\u00e8le basse r\u00e9solution, la g\u00e9om\u00e9trie est id\u00e9alement constitu\u00e9e pour une exploitation temps r\u00e9el.<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image218.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb216.png\" width=\"642\" height=\"402\" \/><\/a><\/p>\n<p>Dans 3DsMax, il a \u00e9t\u00e9 n\u00e9cessaire de convertir le JPG des textures en PNG. La texture de base fait 5486 x 5486 pixels soit 30 096 196 pixels pour une maille de 194 365 polygones. A chaque polygone correspond un pav\u00e9 de 12 pixels de c\u00f4t\u00e9, soit une r\u00e9serve d\u2019environ 2 millions de polygones. Pour le cas pr\u00e9sent, toute la surface de l\u2019image n\u2019est pas utilis\u00e9e.<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image219.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb217.png\" width=\"642\" height=\"284\" \/><\/a><\/p>\n<p>Rendu, extrait du maillage et de la carte de texture.<\/p>\n<p><a href=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image220.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px\" title=\"image\" border=\"0\" alt=\"image\" src=\"https:\/\/www.keris-studio.fr\/blog\/wp-content\/image_thumb218.png\" width=\"642\" height=\"237\" \/><\/a><\/p>\n<p> <iframe loading=\"lazy\" height=\"500\" src=\"http:\/\/www.hypr3d.com\/models\/4f916bea3a45040001000039\/embedded_viewer\" width=\"600\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hypr3D est un service de photomod\u00e9lisation mis en place en 2010. http:\/\/www.hypr3d.com\/ Le fonctionnement se fait enti\u00e8rement \u00e0 partir de la page web, t\u00e9l\u00e9chargement des photos et calcul de la forme. Le r\u00e9sultat donne un mod\u00e8le 3D consultable sur le web. La r\u00e9alisation est particuli\u00e8rement pr\u00e9cise. Le nuage de points et le maillage. La densit\u00e9 &hellip; <a href=\"https:\/\/www.keris-studio.fr\/blog\/?p=1562\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">3D-photo &#8211; hypr3d, test sur le menhir de Kermaillard<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,117,14,25,8,147,26],"tags":[152,146],"class_list":["post-1562","post","type-post","status-publish","format-standard","hentry","category-3d","category-archeologie","category-conception","category-etats-de-lart","category-methodologie","category-photomodelisation","category-production","tag-hypr3d","tag-kermaillard"],"_links":{"self":[{"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1562"}],"version-history":[{"count":5,"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1562\/revisions"}],"predecessor-version":[{"id":5346,"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1562\/revisions\/5346"}],"wp:attachment":[{"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.keris-studio.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}