80 lines
2 KiB
MySQL
80 lines
2 KiB
MySQL
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/*
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==========================================================================
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phase 2 : création de différentes données à partir du tracé routé
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==========================================================================
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*/
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-- on prend le tracé routé et on fait une version simple
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-- 1 ligne par secteur
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TRUNCATE TABLE phase_2_trace_secteur ;
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WITH trace_ordered AS (
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SELECT secteur_id, (ST_Dump(the_geom)).geom AS the_geom
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FROM phase_2_trace_pgr
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--WHERE secteur_id = 8
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ORDER BY secteur_id, path_seq
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)
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INSERT INTO phase_2_trace_secteur
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SELECT
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secteur_id, '', '', 0, 0,
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ST_COLLECT(the_geom)
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--ST_UNION(the_geom)
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FROM trace_ordered
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GROUP BY secteur_id
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ORDER BY secteur_id ;
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-- mise à jour des attributs
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UPDATE phase_2_trace_secteur a
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SET
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nom_fr = b.nom_fr,
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nom_br = b.nom_br,
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longueur = TRUNC( ST_Length(the_geom)::numeric , 0),
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longueur_km = TRUNC( ST_Length(the_geom)::numeric / 1000 , 1)
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FROM secteur b WHERE a.secteur_id = b.id ;
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TRUNCATE phase_2_trace_troncons ;
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INSERT INTO phase_2_trace_troncons
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SELECT
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row_number() over() as uid,
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-- infos redadeg
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NULL AS secteur_id,
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NULL AS ordre,
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NULL AS km,
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NULL AS km_reel,
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NULL AS longueur,
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-- infos OSM
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t.osm_id, t.highway, t.type, t.oneway, t.ref, t.name_fr, t.name_br,
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ST_LineSubstring(the_geom, 1000.00*n/length,
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CASE
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WHEN 1000.00*(n+1) < length THEN 1000.00*(n+1)/length
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ELSE 1
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END) AS the_geom
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FROM
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(SELECT
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id,
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osm_id, highway, "type", oneway, ref, name_fr, name_br,
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ST_LineMerge(the_geom)::geometry(LineString,2154) AS the_geom,
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ST_Length(the_geom) As length
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FROM phase_2_trace_pgr
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-- ce tri est le plus important
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ORDER BY id ASC
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) AS t
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CROSS JOIN generate_series(0,10000) AS n
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WHERE n*1000.00/length < 1
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ORDER BY t.id ;
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-- mise à jour des attributs
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UPDATE phase_2_trace_troncons
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SET
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longueur =
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(CASE
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WHEN TRUNC( ST_Length(the_geom)::numeric , 0) = 999 THEN 1000
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ELSE TRUNC( ST_Length(the_geom)::numeric , 0)
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END),
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km = uid -- km redadeg
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;
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