From a715e4d6021ffae1f61a242408f6b68a991484f9 Mon Sep 17 00:00:00 2001 From: medina5 Date: Thu, 23 Oct 2025 07:17:58 +0200 Subject: [PATCH] routes --- README.md | 20 +++++ import/routes.csv | 198 +++++++++++++++++++++++----------------------- 2 files changed, 119 insertions(+), 99 deletions(-) diff --git a/README.md b/README.md index e30cbcb..cf195f9 100644 --- a/README.md +++ b/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 diff --git a/import/routes.csv b/import/routes.csv index b4b7c50..ba1bd53 100644 --- a/import/routes.csv +++ b/import/routes.csv @@ -1,99 +1,99 @@ -route_id,tag,cout,cout_inverse -1,rue,0.4724790650878999,-1 -2,rue,1.4683713825000613,-1 -3,rue,0.8613904621681202,-1 -4,rue,0.6875439575039426,-1 -5,rue,0.6043178175418609,-1 -6,rue,1.0191507292068789,-1 -7,rue,0.8951854192637249,-1 -8,rue,2.9424290917848355,-1 -9,rue,0.3139133763144506,-1 -10,rue,1.4835974440952546,-1 -11,rue,2.0076339476472747,-1 -12,rue,0.2784209450776676,-1 -13,rue,1.7232804938643616,-1 -14,rue,1.1418853475738797,-1 -15,rue,0.6311994743759254,-1 -16,rue,0.2075809185998858,-1 -17,rue,0.31715710145170817,0.31715710145170817 -18,rue,0.9064837676086585,-1 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