{"id":104,"date":"2021-09-05T22:51:30","date_gmt":"2021-09-05T20:51:30","guid":{"rendered":"http:\/\/jdxkpuw.cluster031.hosting.ovh.net\/index.php\/nos-prestations\/"},"modified":"2026-09-29T19:41:38","modified_gmt":"2026-09-29T17:41:38","slug":"nos-prestations","status":"publish","type":"page","link":"https:\/\/www.neo-4d.com\/index.php\/nos-prestations\/","title":{"rendered":"Nos prestations"},"content":{"rendered":"
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Des prestations qui couvrent toute la cha\u00eene de la donn\u00e9e<\/h2>\n <\/div>\n <\/div>\n
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Gr\u00e2ce \u00e0 notre expertise en photogramm\u00e9trie, en cartographie et en diagnostic d’ouvrages, nous transformons les donn\u00e9es terrain en outils d’aide \u00e0 la d\u00e9cision pr\u00e9cis et exploitables.<\/p>\n

De la collecte sur le terrain jusqu’\u00e0 l’analyse finale, nous vous apportons des solutions adapt\u00e9es \u00e0 vos probl\u00e9matiques techniques, environnementales et patrimoniales.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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\n Orthophotographie du quai de FAKARAVA, lev\u00e9e par drone\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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\n Nuage de points photogramm\u00e9trique et positions de prise de vue\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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Acquisition de donn\u00e9es<\/h2>\n <\/div>\n <\/div>\n
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Nous d\u00e9ployons drones, r\u00e9cepteurs GNSS et capteurs autonomes pour relever l’\u00e9tat r\u00e9el d’un site : topographie, bathym\u00e9trie, conditions m\u00e9t\u00e9orologiques et oc\u00e9anographiques. <\/p>\n <\/div>\n <\/div>\n

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    <\/path><\/svg><\/span><\/div>\n Drones \u2014 Matrice 4E sous sc\u00e9nario STS-01 & DJI Phantom 4 RTK, Mavic Air 2 pour les inspections rapides.<\/span><\/span>\n <\/div>\n <\/span>\n
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    <\/path><\/svg><\/span><\/div>\n GNSS \u2014 r\u00e9cepteurs multibandes en RTK, corrections NTRIP\/VRS, base radio LoRa ou post-traitement PPK.<\/span><\/span>\n <\/div>\n <\/span>\n
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    <\/path><\/svg><\/span><\/div>\n M\u00e9t\u00e9orologie et oc\u00e9anographie \u2014 houlographes, courantom\u00e8tres ADCP, sondes CTD et station m\u00e9t\u00e9o : niveau d’eau, spectre de houle, profil de courant, salinit\u00e9, vent.<\/span><\/span>\n <\/div>\n <\/span>\n
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    Traitements de donn\u00e9es<\/h2>\n <\/div>\n <\/div>\n
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    Le terrain fournit la mati\u00e8re ; le traitement en fait un livrable. Calculs, recalage, restitution : chaque \u00e9tape suit une cha\u00eene \u00e9prouv\u00e9e, affin\u00e9e projet apr\u00e8s projet et prolong\u00e9e par nos propres outils.<\/p>\n <\/div>\n <\/div>\n

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      <\/path><\/svg><\/span><\/div>\n Photogramm\u00e9trie \u2014 Agisoft Metashape Pro : nuage de points dense, maillage 3D.<\/span><\/span>\n <\/div>\n <\/span>\n
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      <\/path><\/svg><\/span><\/div>\n Orthophotographie et mod\u00e8les de terrain \u2014 orthophotographies g\u00e9or\u00e9f\u00e9renc\u00e9es, mod\u00e8les num\u00e9riques de terrain et de surface, profils et calculs de volumes, sous QGIS, Global Mapper et Autodesk Civil 3D.<\/span><\/span>\n <\/div>\n <\/span>\n
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      <\/path><\/svg><\/span><\/div>\n Traitement de donn\u00e9es oc\u00e9anographiques \u2014 houle, courant et niveau d’eau retour, roses de houle et de courant.<\/span><\/span>\n<\/div>\n<\/span>\n
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      <\/path><\/svg><\/span><\/div>\n Outils m\u00e9tiers – d\u00e9veloppement de scripts Python en interne.<\/span><\/span>\n <\/div>\n <\/span>\n
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      \n S\u00e9ries temporelles de vitesse de courant issues d\u2019un mouillage ADCP\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      \n Mod\u00e8le num\u00e9rique de terrain\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      \n Mod\u00e8le 3D textur\u00e9 du platier de l’atoll de Reao\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      \n D\u00e9tail d\u2019un enrochement de protection restitu\u00e9 en nuage de points dense\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      \n Nuage de points de la digue de protection en enrochement de la RT2\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      \n Vue a\u00e9rienne du port de p\u00eache de Faratea et de sa digue de protection en enrochement\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      \n Planche de zonage et d\u2019al\u00e9a PPR, submersion marine\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n
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      Analyses et interpr\u00e9tation<\/h2>\n <\/div>\n <\/div>\n
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      L\u2019analyse commence l\u00e0 o\u00f9 s\u2019arr\u00eate la mesure. Nous cherchons \u00e0 comprendre ce que les donn\u00e9es r\u00e9v\u00e8lent : l\u2019origine d\u2019un d\u00e9sordre, les causes d\u2019une \u00e9volution ou les limites d\u2019un ouvrage. Notre objectif : transformer l\u2019information en aide \u00e0\n la d\u00e9cision.<\/p>\n <\/div>\n <\/div>\n

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        <\/path><\/svg><\/span><\/div>\n Diagnostic d’infrastructures \u2014 \u00e9tat des ouvrages c\u00f4tiers et portuaires, relev\u00e9 des d\u00e9sordres, pr\u00e9conisations et priorisation des travaux.<\/span><\/span>\n <\/div>\n <\/span>\n
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        <\/path><\/svg><\/span><\/div>\n Suivi et \u00e9volution g\u00e9omorphologique \u2014 comparaison de lev\u00e9s successifs, volumes \u00e9rod\u00e9s ou accumul\u00e9s, position du trait de c\u00f4te et taux de recul.<\/span><\/span>\n <\/div>\n <\/span>\n
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        <\/path><\/svg><\/span><\/div>\n \u00c9tudes de risque submersion marine \u2014 niveaux marins extr\u00eames, analyse et interpr\u00e9tation des cartographies des hauteurs d’eau.<\/span><\/span>\n<\/div>\n<\/span>\n
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        <\/path><\/svg><\/span><\/div>\n Suivi environnemental et gestion de patrimoine \u2014 surveillance dans la dur\u00e9e, inventaire g\u00e9olocalis\u00e9 du patrimoine naturel et b\u00e2ti.<\/span><\/span>\n <\/div>\n <\/span>\n
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        <\/path><\/svg><\/span><\/div>\n Cartographie et SIG \u2014 bases de donn\u00e9es g\u00e9ographiques, atlas et planches th\u00e9matiques, livrables int\u00e9grables \u00e0 votre propre SIG.<\/span><\/span>\n <\/div>\n <\/span>\n
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        Des prestations qui couvrent toute la cha\u00eene de la donn\u00e9e Gr\u00e2ce \u00e0 notre expertise en photogramm\u00e9trie, en cartographie et en diagnostic d’ouvrages, nous transformons les donn\u00e9es terrain en outils d’aide \u00e0 la d\u00e9cision pr\u00e9cis et exploitables. De la collecte sur le terrain jusqu’\u00e0 l’analyse finale, nous vous apportons des solutions adapt\u00e9es \u00e0 vos probl\u00e9matiques techniques, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/full-width-page.php","meta":{"footnotes":""},"class_list":["post-104","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/pages\/104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/comments?post=104"}],"version-history":[{"count":20,"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/pages\/104\/revisions"}],"predecessor-version":[{"id":1763,"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/pages\/104\/revisions\/1763"}],"wp:attachment":[{"href":"https:\/\/www.neo-4d.com\/index.php\/wp-json\/wp\/v2\/media?parent=104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}