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        <gco:CharacterString>Les grilles MNT complètes du canton (terrestres + bathymétriques) sont transformées en une matrice d'altitude avec une maille de 0.5 m grâce à une conversion directe. Chaque point de la matrice d'altitude reprend les coordonnées 3D (X,Y,Z) du centre du pixel correspondant dans les grilles.&#13;
&#13;
Le MNT terrestre a été généré à partir de points bruts classifiés issus de plusieurs campagnes de vol réalisées lors du projet de mise à jour des données LiDAR du canton entre 2018 et 2019. Les points bruts obtenus sont convertis grâce à un algorithme d'interpolation en une donnée raster de maille régulière (grille) d'une résolution spatiale de 0.5 m. Pour la grille MNT, seuls les points bruts représentant les sols et l'eau sont interpolés.&#13;
&#13;
Le MNT lacustre a été généré à partir de points bruts classifiés issus de plusieurs campagnes d’acquisition LiDAR (rives pour des profondeurs comprises entre 0 et 5m) et multisonar (profondeurs au-delà de 5m) entre 2012 et 2022.&#13;
&#13;
Le document annexé présente en détail la méthodologie appliquée pour la production de ce produit.&#13;
&#13;
Les données des vols LiDAR précédents (2001-2006 et 2015-2016) sont disponibles en contactant le support de diffusion de la DCG (voir ci-dessous).</gco:CharacterString>
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Direction générale du territoire et du logement (DGTL)</gco:CharacterString>
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Direction générale du territoire et du logement (DGTL)</gco:CharacterString>
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Direction du cadastre et de la géoinformation (DCG)</gco:CharacterString>
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Direction du cadastre et de la géoinformation (DCG)</gco:CharacterString>
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