35 lines
1.2 KiB
MySQL
35 lines
1.2 KiB
MySQL
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-- on recale également les points de nettoyage sur le tracé
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TRUNCATE TABLE phase_2_point_nettoyage ;
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WITH candidates AS
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(
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SELECT
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pt_org.ogc_fid AS pt_id,
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edge.id AS edge_id,
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ST_Distance(pt_org.the_geom, ST_ClosestPoint(edge.the_geom, pt_org.the_geom)) AS distance,
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ST_Snap(
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pt_org.the_geom, -- le point d'origine à recaler
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ST_ClosestPoint(edge.the_geom, pt_org.the_geom), -- le point le plus près dans la couche de nœuds
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ST_Distance(pt_org.the_geom, ST_ClosestPoint(edge.the_geom, pt_org.the_geom))* 1.01 -- dans la distance de ce plus proche point
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) AS the_geom
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FROM
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(SELECT ogc_fid::integer, ST_Transform(the_geom,2154) AS the_geom FROM phase_2_point_nettoyage_3857) AS pt_org,
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(SELECT id, the_geom FROM osm_roads_pgr) AS edge
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WHERE
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ST_INTERSECTS(edge.the_geom, ST_BUFFER(ST_Transform(pt_org.the_geom,2154) ,2) )
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ORDER BY pt_org.ogc_fid, ST_Distance(pt_org.the_geom, ST_ClosestPoint(edge.the_geom, pt_org.the_geom))
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)
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INSERT INTO phase_2_point_nettoyage
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SELECT
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nextval('phase_2_point_nettoyage_id_seq'::regclass),
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pt_id,
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edge_id,
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distance,
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the_geom
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FROM candidates ;
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-- un peu de ménage
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VACUUM FULL phase_2_point_nettoyage ;
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