create_osm_roads
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MaelREBOUX
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scripts_v2/create_osm_roads.sh
Executable file
140
scripts_v2/create_osm_roads.sh
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#! /bin/bash
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# exit dès que qqch se passe mal
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set -e
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# sortir si "unbound variable"
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#set -u
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if [ -z "$1" ]
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then
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echo "Pas de millésime en argument --> stop"
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exit 1
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fi
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# lecture du fichier de configuration
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. config.sh
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo " Création de la couche osm_roads"
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echo ""
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echo ""
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echo ""
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echo "import phase_1_trace dans la base OSM"
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echo ""
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# 1. export du tracé phase 1 depuis la base redadeg
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pg_dump --dbname=postgresql://$DB_USER:$DB_PASSWD@$HOST_DB_redadeg/$DB_NAME \
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--format=p --no-owner --section=pre-data --section=data --no-privileges --no-tablespaces --no-unlogged-table-data --no-comments \
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--table phase_1_trace $DB_REDADEG \
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--file $rep_data/redadeg_trace.sql
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# 2. import dans la base OSM
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PGPASSWORD=$osmDBPassword $PSQL -h $osmDBHost -p $osmDBPort -U $osmDBUser -d $osmDBName -c "DROP TABLE IF EXISTS phase_1_trace_$millesime ;"
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PGPASSWORD=$osmDBPassword $PSQL -h $osmDBHost -p $osmDBPort -U $osmDBUser -d $osmDBName < $rep_data/redadeg_trace.sql
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PGPASSWORD=$osmDBPassword $PSQL -h $osmDBHost -p $osmDBPort -U $osmDBUser -d $osmDBName -c "ALTER TABLE phase_1_trace RENAME TO phase_1_trace_$millesime ;"
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echo ""
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echo "fait"
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echo ""
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# 3. calcul de la couche osm_roads = intersection buffer trace et routes OSM
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echo ">> calcul de la couche osm_roads"
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echo ""
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# on supprime puis on recrée la table
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PGPASSWORD=$osmDBPassword $PSQL -h $osmDBHost -p $osmDBPort -U $osmDBUser -d $osmDBName -c "DROP TABLE IF EXISTS osm_roads_$millesime ;"
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PGPASSWORD=$osmDBPassword $PSQL -h $osmDBHost -p $osmDBPort -U $osmDBUser -d $osmDBName -c "
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CREATE TABLE osm_roads_$millesime
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(
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uid bigint NOT NULL,
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osm_id bigint,
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highway text,
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type text,
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oneway text,
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ref text,
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name_fr text,
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name_br text,
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the_geom geometry,
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CONSTRAINT osm_roads_pkey_$millesime PRIMARY KEY (uid),
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CONSTRAINT enforce_geotype_the_geom CHECK (geometrytype(the_geom) = 'LINESTRING'::text OR geometrytype(the_geom) = 'MULTILINESTRING'::text),
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CONSTRAINT enforce_srid_the_geom CHECK (st_srid(the_geom) = 2154)
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);"
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echo ""
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echo " table osm_roads_$millesime créée"
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echo ""
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echo " chargement des données"
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echo ""
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PGPASSWORD=$osmDBPassword $PSQL -h $osmDBHost -p $osmDBPort -U $osmDBUser -d $osmDBName -c "WITH trace_buffer AS (
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SELECT
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secteur_id,
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ST_Union(ST_Buffer(the_geom, 25, 'quad_segs=2')) AS the_geom
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FROM phase_1_trace_$millesime
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GROUP BY secteur_id
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ORDER BY secteur_id
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)
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INSERT INTO osm_roads_$millesime
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(
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SELECT
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row_number() over() as id,
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osm_id,
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highway,
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CASE
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WHEN highway IN ('motorway', 'trunk') THEN 'motorway'
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WHEN highway IN ('primary', 'secondary') THEN 'mainroad'
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WHEN highway IN ('motorway_link', 'trunk_link', 'primary_link', 'secondary_link', 'tertiary', 'tertiary_link', 'residential', 'unclassified', 'road', 'living_street') THEN 'minorroad'
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WHEN highway IN ('service', 'track') THEN 'service'
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WHEN highway IN ('path', 'cycleway', 'footway', 'pedestrian', 'steps', 'bridleway') THEN 'noauto'
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ELSE 'other'
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END AS type,
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oneway,
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ref,
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name AS name_fr,
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COALESCE(tags -> 'name:br'::text) as name_br,
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ST_Intersection(ST_Transform(o.way,2154), t.the_geom) AS the_geom
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FROM planet_osm_line o, trace_buffer t
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WHERE highway IS NOT NULL AND ST_INTERSECTS(t.the_geom, ST_Transform(o.way,2154))
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) ;"
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echo ""
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echo "fait"
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echo ""
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# 4. export de osm_roads depuis la base OSM
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echo "transfert de osm_roads_$millesime depuis la base OSM vers la base redadeg"
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echo ""
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pg_dump --dbname=postgresql://$osmDBUser:$osmDBPassword@$osmDBHost/$osmDBName \
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--format=p --no-owner --section=pre-data --section=data --no-privileges --no-tablespaces --no-unlogged-table-data --no-comments \
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--table osm_roads_$millesime $DB_OSM \
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--file $rep_data/osm_roads.sql
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# 5. import dans la base redadeg
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PGPASSWORD=$DB_PASSWD $PSQL -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME -c "DROP TABLE IF EXISTS osm_roads;"
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PGPASSWORD=$DB_PASSWD $PSQL -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME < $rep_data/osm_roads.sql
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PGPASSWORD=$DB_PASSWD $PSQL -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME -c "ALTER TABLE osm_roads_$millesime RENAME TO osm_roads ;"
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echo ""
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echo "fait"
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echo ""
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echo "fini"
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echo ""
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echo ""
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo " F I N "
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo ""
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101
scripts_v2/sql/create_osm_roads.sql
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101
scripts_v2/sql/create_osm_roads.sql
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/*
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==========================================================================
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OpenStreetMap : création de la couche du réseau routier OSM
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pour le calcul d'itinéraires
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==========================================================================
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*/
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-- A faire dans une base OSM contenant un import osm2pgsql
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-- Le but est de créer une table osm_roads qui contiendra
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-- le réseau routier dans une zone-tampon de 500 autour du tracé.
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-- on fait ça dans une base à part à cause de la volumétrie des données OSM
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-- 1. import du tracé dans la base OSM
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-- export du tracé depuis la base redadeg
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-- pg_dump --file redadeg_trace.sql --host localhost --username redadeg --no-password --format=p --no-owner --section=pre-data --section=data --no-privileges --no-tablespaces --no-unlogged-table-data --no-comments --table public.phase_1_trace redadeg
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-- import dans la base osm
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-- psql -U osmbr -d osm -c "DROP TABLE public.phase_1_trace;"
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-- psql -U osmbr -d osm < redadeg_trace.sql
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-- 2. création de la table qui va accueillir les tronçons de routes
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-- la table qui contient le graphe routier de OSM
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DROP TABLE IF EXISTS osm_roads ;
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CREATE TABLE osm_roads
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(
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uid bigint,
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osm_id bigint,
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highway text,
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type text,
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oneway text,
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ref text,
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name_fr text,
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name_br text,
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the_geom geometry,
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CONSTRAINT osm_roads_pkey PRIMARY KEY (uid),
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CONSTRAINT enforce_geotype_the_geom CHECK (geometrytype(the_geom) = 'LINESTRING'::text OR geometrytype(the_geom) = 'MULTILINESTRING'::text),
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CONSTRAINT enforce_srid_the_geom CHECK (st_srid(the_geom) = 2154)
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);
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-- 3. remplissage de la table à l'aide d'un requête
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-- qui va faire un buffer de 25 m autour du tracé
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-- environ 5 min de traitement
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TRUNCATE TABLE osm_roads ;
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WITH trace_buffer AS (
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SELECT
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secteur_id,
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ST_Union(ST_Buffer(the_geom, 25, 'quad_segs=2')) AS the_geom
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FROM phase_1_trace
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GROUP BY secteur_id
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ORDER BY secteur_id
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)
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INSERT INTO osm_roads
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(
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SELECT
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row_number() over() as id,
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osm_id,
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highway,
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CASE
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WHEN highway IN ('motorway', 'trunk') THEN 'motorway'
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WHEN highway IN ('primary', 'secondary') THEN 'mainroad'
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WHEN highway IN ('motorway_link', 'trunk_link', 'primary_link', 'secondary_link', 'tertiary', 'tertiary_link', 'residential', 'unclassified', 'road', 'living_street') THEN 'minorroad'
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WHEN highway IN ('service', 'track') THEN 'service'
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WHEN highway IN ('path', 'cycleway', 'footway', 'pedestrian', 'steps', 'bridleway') THEN 'noauto'
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ELSE 'other'
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END AS type,
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oneway,
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ref,
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name AS name_fr,
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COALESCE(tags -> 'name:br'::text) as name_br,
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ST_Intersection(ST_Transform(o.way,2154), t.the_geom) AS the_geom
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FROM planet_osm_line o, trace_buffer t
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WHERE highway IS NOT NULL AND ST_INTERSECTS(t.the_geom, ST_Transform(o.way,2154))
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) ;
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-- 4. on l'exporte pour la recharger dans la base redadeg
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-- commande d'export
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-- pg_dump --file osm_roads.sql --host localhost --username osmbr --no-password --format=p --no-owner --section=pre-data --section=data --no-privileges --no-tablespaces --no-unlogged-table-data --no-comments --table public.osm_roads osm
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-- commande d'import
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-- psql -U redadeg -d redadeg -c "DROP TABLE public.osm_roads;"
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-- psql -U redadeg -d redadeg < osm_roads.sql
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