{"id":2404,"date":"2019-12-10T11:04:51","date_gmt":"2019-12-10T10:04:51","guid":{"rendered":"http:\/\/clan.des.tritons.free.fr\/blog\/?p=2404"},"modified":"2025-09-13T15:32:19","modified_gmt":"2025-09-13T13:32:19","slug":"prospective-sur-la-topographie-grottesque-en-3d","status":"publish","type":"post","link":"https:\/\/clandestritons.fr\/?p=2404","title":{"rendered":"Prospective sur la Topographie grottesque en 3D"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La topographie est \u00e0 l&rsquo;aube d&rsquo;une nouvelle r\u00e9volution. Apr\u00e8s l\u2019apparition il y a quelques ann\u00e9es du distoX (et les capteurs de distance, d&rsquo;inclinaison et de direction \u00e9lectroniques) le d\u00e9veloppement rapide de la technologie lidar (t\u00e9l\u00e9d\u00e9tection par laser) va permettre d&rsquo;augmenter tr\u00e8s significativement la quantit\u00e9 d&rsquo;information relev\u00e9es sur le terrain. Nous allons donc passer d&rsquo;une mod\u00e9lisation en 4 points par station (GDHB, soit r\u00e9solution de 90\u00b0) \u00e0 une mod\u00e9lisation en un nombre bien sup\u00e9rieur (r\u00e9solution &lt;1\u00b0). Restera \u00e0 d\u00e9finir et simplifier les techniques de relev\u00e9, de traitement des mesures et rendu. Les possibilit\u00e9s de rendu seront nombreuses nous allons pouvoir r\u00e9aliser des visites virtuelles, des maquettes 3D, des topos hautes r\u00e9solution&#8230; Beaucoup reste \u00e0 travailler sur les techniques de lev\u00e9e et de dessin, mais les bases sont disponibles \u00e0 des co\u00fbts abordables pour les simples sp\u00e9l\u00e9os que nous sommes.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Le \u00ab\u00a0<strong>Tritons Cave Center<\/strong>\u00ab\u00a0, premier essai de visite virtuelle r\u00e9alis\u00e9 avec le moteur d&rsquo;animation 3D <a href=\"https:\/\/unity.com\/\" target=\"_blank\" rel=\"noopener\">Unity<\/a>. Les rendus (\u00e9clairage, texture, &#8230;), la mobilit\u00e9 (remonter les puits, faire de l&rsquo;escalade, ramper, se rep\u00e9rer) peuvent \u00eatre am\u00e9lior\u00e9s sans aucun doute pour obtenir un r\u00e9alisme important. Int\u00e9grer des photos en 3D, des dessins issues des topos classiques ou se promener avec un casque de r\u00e9alit\u00e9 virtuel est la prochaine \u00e9tape de l&rsquo;essai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;int\u00e9gration des mod\u00e8les issus de Caveatron est particuli\u00e8rement facile car ils rendent compte directement de l&rsquo;int\u00e9rieur des cavit\u00e9s. L&rsquo;int\u00e9gration des mod\u00e8les issus de Compass ou Topodroid n\u00e9cessitent de bricoler un peu pour les rendre exploitable. En effet, pour l&rsquo;instant, les mod\u00e8les rendent compte proprement de l&rsquo;ext\u00e9rieur de la cavit\u00e9 et pas de l&rsquo;int\u00e9rieur (les intersections ne sont pas trait\u00e9s correctement puisque invisibles&#8230;). Avis aux d\u00e9veloppeurs.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"385\" height=\"224\" src=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-1.jpg\" alt=\"\" class=\"wp-image-2375\" srcset=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-1.jpg 385w, https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-1-300x175.jpg 300w\" sizes=\"(max-width: 385px) 100vw, 385px\" \/><figcaption class=\"wp-element-caption\">\u00ab Tritons Cave Center \u00bb : Grotte Anjohibe n\u00b03 (Madagascar), mod\u00e8le Compass \u00ab\u00a0reshap\u00e9\u00a0\u00bb<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"385\" height=\"245\" src=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-2.jpg\" alt=\"\" class=\"wp-image-2376\" srcset=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-2.jpg 385w, https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-2-300x191.jpg 300w\" sizes=\"(max-width: 385px) 100vw, 385px\" \/><figcaption class=\"wp-element-caption\">\u00ab Tritons Cave Center \u00bb : Mod\u00e8le de grotte CWAN scann\u00e9e avec un scanner Caveatron<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"383\" height=\"240\" src=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-3.jpg\" alt=\"\" class=\"wp-image-2377\" srcset=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-3.jpg 383w, https:\/\/clandestritons.fr\/wp-content\/uploads\/Tritons-Cave-Center-3-300x188.jpg 300w\" sizes=\"(max-width: 383px) 100vw, 383px\" \/><figcaption class=\"wp-element-caption\">\u00ab Tritons Cave Center \u00bb : Mod\u00e8le de grotte SC Cave scann\u00e9e avec un scanner Caveatron<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"text-decoration: underline;\">A t\u00e9l\u00e9charger <\/span>le \u00ab\u00a0Tritons Cave Center\u00a0\u00bb version <a title=\"Cave Center version Windows 1.4\" href=\"http:\/\/clan.des.tritons.free.fr\/Cave.Center\/Cave.Center.Windows1.4.zip\" target=\"_blank\" rel=\"noopener\">Windows 64 bits<\/a> (205 Mo) ou la<a href=\"https:\/\/clandestritons.fr\/CaveCenter\/cave_center.html\" target=\"_blank\" rel=\"noreferrer noopener\"> version en ligne<\/a> (176Mo).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Aper\u00e7u des r\u00e9alisations publi\u00e9es sur le www :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/www.caveatron.com\/\" target=\"_blank\" rel=\"noopener\">Projet Caveatron :<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/www.caveatron.com\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"300\" height=\"196\" src=\"\/wp-content\/uploads\/galerie\/Caveatreon-300x196.jpg\" alt=\"\" class=\"wp-image-2378\" title=\"Caveatreon\" srcset=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/Caveatreon-300x196.jpg 300w, https:\/\/clandestritons.fr\/wp-content\/uploads\/Caveatreon.jpg 759w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Projet complet de scanner Lidar d\u00e9di\u00e9 \u00e0 la sp\u00e9l\u00e9o. Int\u00e9grant mesure de distance, direction, azimut et dimensions. Pas encore import\u00e9 en France et\/ou en Europe \u00e0 ma connaissance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/cave3d.org\/cmssimple\/\" target=\"_blank\" rel=\"noopener\">Projet Cave 3D :<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/cave3d.org\/cmssimple\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"210\" height=\"300\" src=\"\/wp-content\/uploads\/galerie\/Cave3D.jpg\" alt=\"\" class=\"wp-image-2379\" title=\"Cave3D\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Projet tr\u00e8s int\u00e9ressant d&rsquo;une \u00e9quipe Hongroise pour acqu\u00e9rir des nuages de points avec un distoX.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/caves.org\/section\/commelect\/drupal\/)\" target=\"_blank\" rel=\"noopener\">Section \u00c9lectronique &amp; Communication de la NSS <\/a><span style=\"text-decoration: underline;\">:<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des articles techniques de la NSS sur tout ce qui peut \u00eatre fait en \u00e9lectronique et communication appliqu\u00e9 \u00e0 la sp\u00e9l\u00e9o. Une r\u00e9f\u00e9rence technique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/hackaday.io\/project\/11598-open-lidar\" target=\"_blank\" rel=\"noopener\">Projet Open LIDAR<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Projet de scanner lidar appliqu\u00e9 \u00e0 la sp\u00e9l\u00e9o, encore en d\u00e9veloppement, pas op\u00e9rationnel sous terre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/bigbatlidar.org\/\" target=\"_blank\" rel=\"noopener\">The big bat lidar projet<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9alisation de topo sp\u00e9l\u00e9o \u00e0 l&rsquo;aide de scanners 3D du commerce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/www.occasions-topographie-geomesure.fr\/occasions\/scanner-3d-geoslam-zeb-revo-rt-seul-37-900eht\/\" target=\"_blank\" rel=\"noopener\">Le Zeb-Revo de Geoslam<\/a> : Une solution commerciale de scanner 3D (vendu 38 000 \u20ac). Les solutions commerciales sont nombreuses et parfois fort co\u00fbteuses, celle-ci est particuli\u00e8rement adapt\u00e9e \u00e0 nos contraintes : l\u00e9g\u00e8re et d&rsquo;un co\u00fbt plus abordable (que les autres).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.brgm.fr\/actualite\/modelisation-3d-cavites-souterraines-zeb-revo-videos\" target=\"_blank\" rel=\"noopener\">&#8211; Article du BRGM<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/www.not-engineers.fr\/Scanner-3D-mobile.html\" target=\"_blank\" rel=\"noopener\">&#8211; Exemple<\/a> de scan 3D avec un scanner Geoslam par la soci\u00e9t\u00e9 Not-Engineers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/souterweb.free.fr\/boitaoutils\/topographie\/pages\/lidar.htm\" target=\"_blank\" rel=\"noopener\">Souterweb<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9f\u00e9rence documentaire dans le monde de la technique sp\u00e9l\u00e9o francophone, \u00e0 consulter les nombreux articles sur la technique de topographie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">S\u00e9lection de logiciel et outils en pointe pour la topographie sp\u00e9l\u00e9o :<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/sites.google.com\/site\/speleoapps\/home\/topodroid\" target=\"_blank\" rel=\"noopener\">TopoDroid<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Solution \u00ab\u00a0paper less\u00a0\u00bb de relev\u00e9 souterrain avec un simple t\u00e9l\u00e9phone Android. Devenu un \u00ab\u00a0standard\u00a0\u00bb avec un distoX. <a href=\"http:\/\/marcocorvi.altervista.org\/index.htm\">A consulter<\/a> le site de Marco CORVI avec ses diff\u00e9rents logiciels.<\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"https:\/\/paperless.bheeb.ch\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"300\" height=\"225\" src=\"\/wp-content\/uploads\/galerie\/DistoX-300x225.jpg\" alt=\"\" class=\"wp-image-2381\" title=\"DistoX\" srcset=\"https:\/\/clandestritons.fr\/wp-content\/uploads\/DistoX-300x225.jpg 300w, https:\/\/clandestritons.fr\/wp-content\/uploads\/DistoX-768x577.jpg 768w, https:\/\/clandestritons.fr\/wp-content\/uploads\/DistoX.jpg 784w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/paperless.bheeb.ch\/\" target=\"_blank\" rel=\"noopener\">DistoX<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le couple DistoX et Topodroid est en pointe pour une topographie sans papier (en tout cas moins de papier), moins d&rsquo;erreurs de saisie mais toujours des mesures sensibles \u00e0 l\u2019environnement \u00e9lectromagn\u00e9tique&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.fountainware.com\/compass\/\" target=\"_blank\" rel=\"noopener\">Compass<\/a> : Une r\u00e9f\u00e9rence (en anglais), tr\u00e8s adapt\u00e9 au travail en \u00e9quipe sur de gros r\u00e9seaux<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/vtopo.free.fr\/\" target=\"_blank\" rel=\"noopener\">Vtopo<\/a> : Tr\u00e8s ergonomique, bien r\u00e9pandu et multi langues. Le classique qui marche bien<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/therion.speleo.sk\/\" target=\"_blank\" rel=\"noopener\">Therion <\/a>: Une nouvelle approche de la topographie sp\u00e9l\u00e9o&#8230; tout est dans le titre, \u00e0 prendre en main \u00e0 t\u00eate repos\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/www.meshlab.net\" target=\"_blank\" rel=\"noopener\">Meshlab<\/a> : Traitement des nuages de points et des mod\u00e8les maill\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/www.cloudcompare.org\" target=\"_blank\" rel=\"noopener\">CloudCompare<\/a> : Traitement des nuages de points et des mod\u00e8les maill\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.blender.org\/\" target=\"_blank\" rel=\"noopener\">Blender <\/a>: Traitement des mod\u00e8les 3d pour les int\u00e9grer dans unity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/unity.com\/\" target=\"_blank\" rel=\"noopener\">Unity<\/a> : Moteur de r\u00e9alit\u00e9 virtuelle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La topographie est \u00e0 l&rsquo;aube d&rsquo;une nouvelle r\u00e9volution. Apr\u00e8s l\u2019apparition il y a quelques ann\u00e9es du distoX (et les capteurs de distance, d&rsquo;inclinaison et de direction \u00e9lectroniques) le d\u00e9veloppement rapide de la technologie lidar (t\u00e9l\u00e9d\u00e9tection par laser) va permettre d&rsquo;augmenter tr\u00e8s significativement la quantit\u00e9 d&rsquo;information relev\u00e9es sur le terrain. Nous allons donc passer d&rsquo;une mod\u00e9lisation [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[136,547],"tags":[287,290,289,288],"class_list":["post-2404","post","type-post","status-publish","format-standard","hentry","category-technique","category-topographie","tag-3d","tag-cave-survey","tag-caveateon","tag-realite-virtuelle"],"_links":{"self":[{"href":"https:\/\/clandestritons.fr\/index.php?rest_route=\/wp\/v2\/posts\/2404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/clandestritons.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/clandestritons.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/clandestritons.fr\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/clandestritons.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2404"}],"version-history":[{"count":9,"href":"https:\/\/clandestritons.fr\/index.php?rest_route=\/wp\/v2\/posts\/2404\/revisions"}],"predecessor-version":[{"id":5825,"href":"https:\/\/clandestritons.fr\/index.php?rest_route=\/wp\/v2\/posts\/2404\/revisions\/5825"}],"wp:attachment":[{"href":"https:\/\/clandestritons.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/clandestritons.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/clandestritons.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}