phase 3 : ajustements
ça marche mieux…
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MaelREBOUX
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e7071c8507
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c05d9ba256
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@ -1,18 +1,18 @@
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[redadeg_database]
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host=localhost
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port=55432
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port=5432
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db=redadeg
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user=redadeg
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passwd=redadeg
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[osm_database]
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host=localhost
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port=55432
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port=5432
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db=osm
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user=redadeg
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passwd=redadeg
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[redadeg]
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longueur_densification=2
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longueur_densification=5
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pk_start=11
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@ -78,7 +78,7 @@ FROM pgr_drivingDistance('SELECT id, source, target, cost, reverse_cost FROM pha
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WHERE SOURCE IS NOT NULL AND id > 0',
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"""+str(start)+""", """+str(distance)+""")
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)
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SELECT node, edge FROM t ORDER BY seq DESC LIMIT 1;"""
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SELECT node, edge, round(agg_cost) FROM t ORDER BY seq DESC LIMIT 1;"""
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#print(sql_routage)
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@ -89,9 +89,10 @@ SELECT node, edge FROM t ORDER BY seq DESC LIMIT 1;"""
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data = cursor.fetchone()
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node_end = data[0]
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edge = data[1]
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distance = data[2]
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cursor.close()
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return([node_end, edge])
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return([node_end, edge, distance])
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# ==============================================================================
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@ -269,11 +270,12 @@ try:
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node_zero = secteur_node_start
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node_zero_data = getPgrNodeInfos(node_zero)
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sql_insert_pks += "INSERT INTO phase_3_pk (secteur_id, pk_id, the_geom, pk_x, pk_y, pk_long, pk_lat) VALUES ("
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sql_insert_pks += "INSERT INTO phase_3_pk (secteur_id, pk_id, the_geom, pk_x, pk_y, pk_long, pk_lat, length_theorical, length_real) VALUES ("
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sql_insert_pks += secteur + ", " + str(secteur_pk_start)
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sql_insert_pks += ",'" + node_zero_data[0] + "'"
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sql_insert_pks += "," + str(node_zero_data[1]) + "," + str(node_zero_data[2])
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sql_insert_pks += "," + str(node_zero_data[3]) + "," + str(node_zero_data[4])
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sql_insert_pks += f",{longueur_decoupage},0"
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sql_insert_pks += ");\n"
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print(" nœud du PK " + str(secteur_pk_start) + " : " + str(node_zero))
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@ -309,6 +311,7 @@ try:
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pk_data = getPKfromRouting(node_x , longueur_decoupage)
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node_x = pk_data[0]
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previous_pk_edge = pk_data[1]
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longueur_km_redadeg = pk_data[2]
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longueur_parcourue = getLongueurParcourue(node_zero,node_x)
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longueur_restante = secteur_longueur - longueur_parcourue
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@ -327,11 +330,12 @@ try:
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node_x_data = getPgrNodeInfos(node_x)
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# on fait une requête SQL d'insert de ce PK
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sql_insert_pks += "INSERT INTO phase_3_pk (secteur_id, pk_id, the_geom, pk_x, pk_y, pk_long, pk_lat) VALUES ("
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sql_insert_pks += "INSERT INTO phase_3_pk (secteur_id, pk_id, the_geom, pk_x, pk_y, pk_long, pk_lat, length_theorical, length_real) VALUES ("
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sql_insert_pks += secteur + "," + str(pk_id)
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sql_insert_pks += ",'" + node_x_data[0] + "'"
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sql_insert_pks += "," + str(node_x_data[1]) + "," + str(node_x_data[2])
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sql_insert_pks += "," + str(node_x_data[3]) + "," + str(node_x_data[4])
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sql_insert_pks += f",{longueur_decoupage},{longueur_km_redadeg}"
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sql_insert_pks += ");\n"
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# on met en négatif l'info de routage du précédent tronçon afin de l'écarter du prochain calcul de routage
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@ -191,7 +191,7 @@ WHERE n*"""+longueur_densification+"""/length < 1;"""
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print("")
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print(" Optimisations...")
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print(" Calcul des coûts...")
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# calcul des attributs de support du calcul pour PGR
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sql_update_costs = """
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@ -211,22 +211,39 @@ WHERE secteur_id = """ + secteur + """ ;"""
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db_redadeg_cursor.execute(sql_update_costs)
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# optimisation
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db_redadeg_cursor.execute("VACUUM FULL phase_3_troncons_pgr ;")
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print(" fait")
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print("")
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# ------------------------------------------------------
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print(" Création / maj de la topologie pgRouting pour les tronçons nouvellement créés")
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sql_create_pgr_topology = "SELECT pgr_createTopology('phase_3_troncons_pgr', 0.001, rows_where:='true', clean:=true);"
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sql_nb_edges = f"SELECT count(*) FROM phase_3_troncons_pgr WHERE secteur_id = {secteur} ;"
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db_redadeg_cursor.execute(sql_nb_edges)
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nb_edges = db_redadeg_cursor.fetchone()[0]
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# estimation du temps de traitement avec 400 edges / s
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temps_sec = round(nb_edges/400)
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minutes, seconds = divmod(temps_sec, 60)
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print(f" temps de traitement évalué à {minutes} min et {seconds} sec")
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now = datetime.datetime.now()
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fin_sec = now.second + seconds
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fin_min = now.minute + minutes + 1
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fin_heure = now.hour
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print(f" donc fin estimée à {fin_heure}h{fin_min} maximum")
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sql_create_pgr_topology = f"SELECT pgr_createTopology('phase_3_troncons_pgr', 0.001, rows_where:='secteur_id={secteur}', clean:=true);"
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db_redadeg_cursor.execute(sql_create_pgr_topology)
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print(" fait")
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print("")
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# optimisation
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print(" vacuum")
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db_redadeg_cursor.execute("VACUUM FULL phase_3_troncons_pgr ;")
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print(" fait")
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print("")
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# ------------------------------------------------------
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print(" Récupération id des nœuds de début et fin du secteur, et la longueur")
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@ -462,7 +462,7 @@ ALTER TABLE phase_2_trace_trous OWNER to redadeg;
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DROP TABLE IF EXISTS phase_2_trace_troncons CASCADE ;
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CREATE TABLE phase_2_trace_troncons
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(
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uid bigint,
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uid serial,
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secteur_id int,
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ordre bigint,
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km bigint,
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@ -640,14 +640,14 @@ ALTER TABLE phase_3_trace_secteurs_4326 OWNER TO redadeg;
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-- la couche des PK calculés automatiquement
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DROP TABLE IF EXISTS phase_3_pk CASCADE ;
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CREATE TABLE phase_3_pk_auto
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CREATE TABLE phase_3_pk
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(
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pk_id integer,
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pk_x numeric(8,1),
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pk_y numeric(8,1),
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pk_long numeric(10,8),
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pk_lat numeric(10,8),
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length_real numeric(6,2),
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length_real integer,
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length_theorical integer,
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secteur_id integer,
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municipality_admincode text,
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@ -125,7 +125,7 @@ SELECT pgr_createTopology('phase_3_troncons_pgr', 0.001, rows_where:='true', cle
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-------------
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SELECT *
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@ -133,3 +133,17 @@ FROM pgr_drivingDistance(
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'SELECT id, source, target, cost, reverse_cost FROM phase_3_troncons_pgr WHERE SOURCE IS NOT NULL',
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107, 300);
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-- RAZ de la topologie pgRouting
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TRUNCATE TABLE phase_3_troncons_pgr;
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ALTER SEQUENCE phase_3_troncons_pgr_id_seq RESTART WITH 1;
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VACUUM phase_3_troncons_pgr;
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TRUNCATE TABLE phase_3_troncons_pgr_vertices_pgr;
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ALTER SEQUENCE phase_3_troncons_pgr_vertices_pgr_id_seq RESTART WITH 1;
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VACUUM phase_3_troncons_pgr_vertices_pgr;
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