{ "currentVersion": 10.7, "id": 3, "name": "Niveau 4", "type": "Feature Layer", "description": "Bassins hydrographiques multiéchelles de niveaux 1 à 8 couvrant l\u2019ensemble du territoire québécois. Ces couches thématiques ont été réalisées à l\u2019aide des cartes de la BDTQ (Base de données topographiques du Québec à l\u2019échelle 1 : 20 000) pour la partie sud du Québec et à l\u2019aide du produit CANVEC (Base de données topographiques canadienne à l\u2019échelle 1 : 50 000) pour la partie nord de la province.Mise en gardeÀ grande échelle, les limites des bassins hydrographiques multiéchelles numérisées aux échelles 1 : 20 000 et 1 : 50 000 diffèrent des limites des bassins hydrographiques 250k et des régions hydrographiques qui ont été numérisées à l\u2019échelle 1 : 250 000. Il est préférable d'utiliser les couches des bassins hydrographiques numérisés à l'échelle 1 : 20 000 ou 1 : 50 000 lorsque cela est possible puisqu'elles sont plus précises et font encore l'objet de mise à jour. Un bassin peut également se ret rouver à cheval sur les deux bases de données topographiques. Dans ce cas, une partie de ses limites ont été numérisées à l\u2019échelle 1 : 20 000 et une autre partie à l\u2019échelle 1 : 50 000. Pour informer l\u2019utilisateur de cette situation, la valeur « Mixte » a été inscrite dans la fenêtre d\u2019information descriptive pour le descripteur « Échelle ».", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 102100, "latestWkid": 3857 }, "copyrightText": "Ministère du Développement durable, de l'Environnement et de la Lutte contre les changements climatiques (MDDELCC) - Direction de l'expertise hydrique © Gouvernement du Québec, via Territoires, 2017", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "drawingInfo": { "symbolLayerDrawing": { "type": "CIMSymbolLayerDrawing", "symbolLayers": [ { "type": "CIMSymbolLayerIdentifier", "symbolReferenceName": "Symbol_91", "symbolLayerName": "Level_0" } ], "useSymbolLayerDrawing": true }, "renderer": { "type": "simple", "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 0, 0, 0, 0 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 255, 255, 255, 255 ], 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