diff --git a/configs/seed_config.json b/configs/seed_config.json
index 7c1a99b..78f1334 100644
--- a/configs/seed_config.json
+++ b/configs/seed_config.json
@@ -25,13 +25,34 @@
       "style": { "paint": { "line-color": "hsl(248,7%,66%)" } }
     },
     {
-      "id": "inventaire",
+      "id": "seed",
       "type": "datapackage",
+      "layerType": "circle",
       "path": "../catalog/seed/datapackage.json",
       "resource": "survey",
+      "columns": {
+        "geom": "geom",
+        "id": "OGC_FID",
+        "orga": "votre_orga",
+        "responsable": "nom_du_res",
+        "date_plantation": "date_de_pl",
+        "type_plant": "type_de_pl",
+        "prelevement_mangrove": "trace_de_p",
+        "test": "round(random() * 4 ) + 1"
+      },
       "popup": {
         "trigger": "click"
       }
+    },
+    {
+      "id": "seed_point",
+      "type": "datapackage",
+      "path": "../catalog/seed/datapackage.json",
+      "resource": "survey",
+      "columns": {
+        "geom": "centroid(geom)"
+      },
+      "maxzoom": 13
     }
   ],
   "controls": [
diff --git a/coordo-py/coordo/map/datapackage.py b/coordo-py/coordo/map/datapackage.py
index ed2daa8..d9e1b4a 100644
--- a/coordo-py/coordo/map/datapackage.py
+++ b/coordo-py/coordo/map/datapackage.py
@@ -33,6 +33,7 @@ class DataPackageLayer(BaseLayerModel):
     filter: str | None = None
     groupby: list[str] | None = None
     columns: dict[str, str] | None = None
+    layerType: str | None = None
     popup: Popup | None = None
 
     def to_maplibre(self, base_path):
@@ -40,18 +41,7 @@ def to_maplibre(self, base_path):
         resource = package.get_resource(name=self.resource)
         data = self.get_data(base_path=base_path)
 
-        # We check the type of the first non-null geometry, it doesn't support yet mixed geometries
-        geom_type = (
-            next(f["geometry"] for f in data["features"] if f["geometry"])["type"]
-            if data["features"]
-            else "Point"
-        )
-        if "Polygon" in geom_type:
-            layer_type = "fill"
-        elif "LineString" in geom_type:
-            layer_type = "line"
-        else:
-            layer_type = "circle"
+        layer_type = self.layerType or self.infer_layer_type(data["features"])
 
         source = GeoJSONSource(type="geojson", data=data)
         metadata = {
@@ -97,3 +87,20 @@ def get_data(self, *, base_path, filter=None) -> FeatureCollection:
         )
         assert isinstance(df, GeoDataFrame), "No geometry column found."
         return df.to_geo_dict(show_bbox=True)  # type: ignore
+    
+    def infer_layer_type(self, features):
+        # We check the type of the first non-null geometry, it doesn't support yet mixed geometries
+        geom_type = (
+            next(f["geometry"] for f in features if f["geometry"])["type"]
+            if features
+                else "Point"
+        )
+        if "Polygon" in geom_type:
+            layer_type = "fill"
+        elif "LineString" in geom_type:
+            layer_type = "line"
+        else:
+            layer_type = "circle"
+
+        return layer_type
+