41 lines
1.3 KiB
MySQL
41 lines
1.3 KiB
MySQL
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-- suppression des objets couche osm_roads_pgr qui intersectent avec les zones de boucles
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DELETE FROM osm_roads_pgr WHERE id IN
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(
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SELECT a.id
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FROM osm_roads_pgr a, osm_roads_pgr_patch_mask m
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WHERE ST_INTERSECTS(a.the_geom, m.the_geom)
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);
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-- collage des objets de la couche osm_roads_pgr_patch à la place des objets supprimés
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-- on crée un identifiant négatif
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INSERT INTO osm_roads_pgr
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SELECT
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0-a.id AS id,
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a.osm_id, a.highway, a.type, a.oneway, a.ref, a.name_fr, a.name_br,
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NULL, NULL, NULL, NULL,
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a.the_geom
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FROM osm_roads_pgr_patch a, osm_roads_pgr_patch_mask m
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WHERE ST_INTERSECTS(a.the_geom, m.the_geom);
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-- calcul des 2 attributs de coût (= longueur)
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UPDATE osm_roads_pgr
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SET cost = st_length(the_geom), reverse_cost = st_length(the_geom)
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WHERE id < 0 ;
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-- recrée des nœuds uniquement sur les zones de patch
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SELECT pgr_nodeNetwork('osm_roads_pgr', 0.001, rows_where := 'id < 0');
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-- recalcul la topologie pgRouting uniquement sur les zones de patch
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SELECT pgr_createTopology('osm_roads_pgr', 0.001, rows_where := 'id < 0', clean := false);
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-- recalcul toute la topologie pgRouting en renumérotant de zéro
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--SELECT pgr_createTopology('osm_roads_pgr', 0.001, clean := true);
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--SELECT pgr_analyzegraph('osm_roads_pgr', 0.001);
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