diff --git a/osm_vc63/save.py b/osm_vc63/save.py
index b4c5426..7334f6c 100644
--- a/osm_vc63/save.py
+++ b/osm_vc63/save.py
@@ -46,3 +46,45 @@ class Save:
         jsonFile.close()
 
         print("Sauvegarde résultat format JSON/OSM " + nom_req)
+
+    def nettoyage_json_pour_umap(self, data, overpass_query_fields):
+        """Sélection uniquement des champs export_json == oui"""
+
+        export_json = {
+            "version": data["version"],
+            "generator": data["generator"] + " and ETALAB API",
+            "osm3s": data["osm3s"],
+            "elements": [],
+        }
+
+        index_line = 0
+
+        for element in data["elements"]:
+            export_json["elements"].append(
+                {"type": element["type"], "id": element["id"]}
+            )
+
+            # positionnement des éléments
+            if element["type"] == "node":  # noeuds
+                export_json["elements"][index_line]["lat"] = element["lat"]
+                export_json["elements"][index_line]["lon"] = element["lon"]
+            else:  # ways et relations
+                export_json["elements"][index_line]["center"] = element["center"]
+                export_json["elements"][index_line]["nodes"] = element["nodes"]
+
+            # filtrage des tags
+            description = ""
+            for tag in overpass_query_fields.keys():
+                if overpass_query_fields[tag]["export_json"] == "Oui":
+                    if tag in element["tags"]:
+                        if overpass_query_fields[tag]["FR"] != "":
+                            description = (
+                                description + overpass_query_fields[tag]["FR"] + " : "
+                            )
+
+                        description = description + str(element["tags"][tag]) + "\n"
+            export_json["elements"][index_line]["tags"] = {"description": description}
+
+            index_line = index_line + 1
+
+            return export_json
diff --git a/recup_donnees_OSM_Overpass.py b/recup_donnees_OSM_Overpass.py
index a112edf..6fabed2 100644
--- a/recup_donnees_OSM_Overpass.py
+++ b/recup_donnees_OSM_Overpass.py
@@ -70,41 +70,6 @@ trad_bicycle_parking = {
     "handlebar_holder": "Accroche-guidons"}
 
 
-def nettoyage_json_pour_umap(data, overpass_query_fields):
-    export_json = {"version": data["version"],
-            "generator" : data["generator"] + " and ETALAB API",
-            "osm3s" : data["osm3s"],
-            "elements": []
-            }
-            
-    index_line = 0
-
-    for element in data["elements"]:
-        export_json["elements"].append({"type" : element["type"],
-                            "id" : element["id"]})
-
-        # positionnement des éléments
-        if (element["type"] == "node") : # noeuds
-            export_json["elements"][index_line]["lat"]  = element["lat"]
-            export_json["elements"][index_line]["lon"] = element["lon"]
-        else : # ways et relations
-            export_json["elements"][index_line]["center"] = element["center"]
-            export_json["elements"][index_line]["nodes"] = element["nodes"]
-        
-        # filtrage des tags
-        description = ""
-        for tag in overpass_query_fields.keys() :
-            if overpass_query_fields[tag]["export_json"] == "Oui" :
-                if tag in element["tags"] :
-                    if overpass_query_fields[tag]["FR"] != "" :
-                        description = description + overpass_query_fields[tag]["FR"] + " : "
-                        
-                    description = description + str(element["tags"][tag]) + "\n"
-        export_json["elements"][index_line]["tags"] = {"description": description}
-
-        index_line = index_line + 1
-
-        return export_json
 
 
 def run_overpass_query(critere, aire_de_recherche) :
@@ -196,7 +161,7 @@ def executer_requete_et_exporter_resultats(nom_req, critere, aire_de_recherche,
     print()
     """
 
-    export_json = nettoyage_json_pour_umap(data, overpass_query_fields)
+    export_json = Save().nettoyage_json_pour_umap(data, overpass_query_fields)
 
     # Sauvegarde
     os.makedirs(dossier_sauvegarde, exist_ok = True)