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Des données attributaires telles que la date de prise de vue, l'angle solaire, l'ouverture, le nombre de points de contrôle, le nom du fichier de prise de vue ayant servi à l'orthorectification, etc. sont associées à chaque tuile.\nConsultez les métadonnées complètes sur : https://geoportail.wallonie.be/catalogue/1850e4a7-dd0f-4af3-8c77-441b67e6951e.html", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 31370, "latestWkid": 31370 }, "copyrightText": "SPW", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "drawingInfo": { "renderer": { "type": "simple", "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 0, 0, 0, 0 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 76, 230, 0, 255 ], "width": 0.4 } }, "label": "", "description": "" }, "transparency": 0, "labelingInfo": null }, "defaultVisibility": true, "extent": { "xmin": 30000, "ymin": 15000, "xmax": 310000, "ymax": 200000, "spatialReference": { "wkid": 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"esriFieldTypeSingle", "alias": "Précision altimétrique des GCP (m)", "domain": null }, { "name": "GCP_RES_X", "type": "esriFieldTypeDouble", "alias": "Résidu maximum sur les GCP en X (m)", "domain": null }, { "name": "GCP_RES_Y", "type": "esriFieldTypeDouble", "alias": "Résidu maximum sur les GCP en Y (m)", "domain": null }, { "name": "GCP_RMSE_X", "type": "esriFieldTypeDouble", "alias": "RMSE en X des GCP (m)", "domain": null }, { "name": "GCP_RMSE_Y", "type": "esriFieldTypeDouble", "alias": "RMSE en Y des GCP (m)", "domain": null }, { "name": "GCP_RMSEXY", "type": "esriFieldTypeDouble", "alias": "RMSE en XY des GCP (m)", "domain": null }, { "name": "DEM_ID", "type": "esriFieldTypeString", "alias": "Identifiant du MNT", "length": 100, "domain": null }, { "name": "DEM_SOURCE", "type": "esriFieldTypeString", "alias": "Source du MNT", "length": 100, "domain": null }, { "name": "DEM_YEAR", "type": "esriFieldTypeSmallInteger", "alias": "Année du MNT", "domain": null }, { "name": 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points de contrôle", "length": 100, "domain": null }, { "name": "CKP_ACC_XY", "type": "esriFieldTypeDouble", "alias": "Précision planimétrique des points de contrôle (m)", "domain": null }, { "name": "CKP_ACC_Z", "type": "esriFieldTypeSingle", "alias": "Précision altimétrique des points de contrôle (m)", "domain": null }, { "name": "CKP_NUMBER", "type": "esriFieldTypeSmallInteger", "alias": "Nombre de points de contrôle", "domain": null }, { "name": "CKP_RMSE_X", "type": "esriFieldTypeDouble", "alias": "RMSE en X des points de contrôle (m)", "domain": null }, { "name": "CKP_RMSE_Y", "type": "esriFieldTypeDouble", "alias": "RMSE en Y des points de contrôle (m)", "domain": null }, { "name": "CKP_RMSEXY", "type": "esriFieldTypeDouble", "alias": "RMSE en XY des points de contrôle (m)", "domain": null }, { "name": "IMGORTNAME", "type": "esriFieldTypeString", "alias": "Maille(s)", "length": 250, "domain": null }, { "name": "GEOM", "type": "esriFieldTypeGeometry", "alias": "GEOM", "domain": 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Il est propre au Service public de Wallonie. Des données attributaires telles que les dates de vol sur la maille (première et dernière), les caractéristiques de l'image (largeur, hauteur, canaux, date, etc.), le fournisseur, etc. sont associées à chaque maille du maillage.\n\nLes orthophotos sont disponibles, entre autres, sous forme d\u2019images (au format Geotiff, pour les plus récentes) de la dimension d\u2019une maille.\n\nL\u2019ensemble des fichiers images appartenant à une feuille IGN au 1/50.000 est groupé dans un même dossier portant le numéro de la feuille.\n\nL\u2019utilité principale des mailles est de faciliter la recherche d\u2019un fichier image donné au sein de l\u2019arborescence du disque en permettant d\u2019identifier le nom de la maille (et donc du fichier image) et de la feuille (et donc du dossier contenant le fichier) sur base d\u2019une vue cartographique.\n\nConsultez les métadonnées sur : https://geoportail.wallonie.be/catalogue/1850e4a7-dd0f-4af3-8c77-441b67e6951e.html", "geometryType": 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"length": 30, "domain": null }, { "name": "TILE_NBR", "type": "esriFieldTypeSmallInteger", "alias": "Nombre de tuiles", "domain": null }, { "name": "DATE_PROD", "type": "esriFieldTypeDate", "alias": "Date de production du fichier image", "length": 8, "domain": null }, { "name": "DATE_FIRST", "type": "esriFieldTypeDate", "alias": "Première date de vol", "length": 8, "domain": null }, { "name": "DATE_LAST", "type": "esriFieldTypeDate", "alias": "Dernière date de vol", "length": 8, "domain": null }, { "name": "PX_X_SIZE", "type": "esriFieldTypeSingle", "alias": "Taille du pixel en X (m)", "domain": null }, { "name": "PX_Y_SIZE", "type": "esriFieldTypeSingle", "alias": "Taille du pixel en Y (m)", "domain": null }, { "name": "FILE_SIZE", "type": "esriFieldTypeDouble", "alias": "Taille du fichier (octets)", "domain": null }, { "name": "BANDS", "type": "esriFieldTypeSmallInteger", "alias": "Nombre de canaux", "domain": null }, { "name": "RADIO_RES", "type": "esriFieldTypeSmallInteger", "alias": "Résolution radiométrique", "domain": null }, { "name": "IMG_WIDTH", "type": "esriFieldTypeInteger", "alias": "Largeur de l\u2019image (pixels)", "domain": null }, { "name": "IMG_HEIGHT", "type": "esriFieldTypeInteger", "alias": "Hauteur de l\u2019image (pixels)", "domain": null }, { "name": "LOW_LEFT_X", "type": "esriFieldTypeInteger", "alias": "Origine maille X (m)", "domain": null }, { "name": "LOW_LEFT_Y", "type": "esriFieldTypeInteger", "alias": "Origine maille Y (m)", "domain": null }, { "name": "COORD_SYST", "type": "esriFieldTypeString", "alias": "Système de coordonnées", "length": 50, "domain": null }, { "name": "EPSG", "type": "esriFieldTypeInteger", "alias": "EPSG", "domain": null }, { "name": "PROVIDER", "type": "esriFieldTypeString", "alias": "Fournisseur", "length": 30, "domain": null }, { "name": "ACCURACYXY", "type": "esriFieldTypeSingle", "alias": "Précision planimétrique (m)", "domain": null }, { "name": "MAPSHEET", "type": "esriFieldTypeString", "alias": 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