routes

README.md

@@ -58,6 +58,26 @@ RETURN path;
 MATCH (a:Point {nom:'Boulangerie'}), (b:Point {nom:'Salle des fêtes'})
 RETURN point.distance(a.location, b.location)
 
+LOAD CSV WITH HEADERS FROM 'file:///routes.csv' AS row
+WITH row
+MATCH (a:Lieu {id: toInteger(row.source)})
+WITH a, row
+MATCH (b:Lieu {id: toInteger(row.target)})
+MERGE (a)-[r:ROUTE {route_id: toInteger(row.route_id)}]->(b)
+SET r.tag = row.tag, r.cout = toFloat(row.cout);
+
+-- routes inverses si cout_inverse != -1
+LOAD CSV WITH HEADERS FROM 'file:///routes.csv' AS row
+WITH row
+WHERE toFloat(row.cout_inverse) <> -1
+MATCH (a:Lieu {id: toInteger(row.source)})
+WITH a, row
+MATCH (b:Lieu {id: toInteger(row.target)})
+MERGE (b)-[r:ROUTE {route_id: toInteger(row.route_id) * 1000}]->(a)
+SET r.tag = row.tag, r.cout = toFloat(row.cout_inverse);
+
+
+
 ### Réseau routier
 
 ```cypher