traitements phase 1
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MaelREBOUX
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scripts_v2/phase_1.sh
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97
scripts_v2/phase_1.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 "$1" ]
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then
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echo "Pas de millésime en argument --> stop"
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exit 1
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fi
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# lecture du fichier de configuration
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. config.sh
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo " Récupération des fichiers geojson depuis umap"
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# traitement des tracés manuels
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# on commence par supprimer la table
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PGPASSWORD=$DB_PASSWD $PSQL -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME -c "DROP TABLE IF EXISTS phase_1_trace_3857 CASCADE;"
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# PGPASSWORD=$DB_PASSWD $PSQL -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME -c "DROP TABLE IF EXISTS phase_1_pk_vip_3857;"
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echo ""
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# on va lire le fichier de config des couches umap pour boucler
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IFS="="
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while read -r line
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do
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layer=$line
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echo " umap layer id = $layer"
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wget -q -O $rep_data/phase_1_umap_trace_$layer.geojson https://umap.openstreetmap.fr/fr/datalayer/$layer
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echo " recup ok"
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# on charge dans postgis
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# note : les coordonnées sont en 3857 mais la déclaration de la table = 4326
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echo " chargement dans la couche d'import"
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ogr2ogr -f "PostgreSQL" PG:"host=$DB_HOST user=$DB_USER password=$DB_PASSWD dbname=$DB_NAME" \
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$rep_data/phase_1_umap_trace_$layer.geojson -nln phase_1_trace_3857 -lco GEOMETRY_NAME=the_geom -explodecollections
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echo " fait"
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echo ""
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# fin de la boucle de lecture des layers umap
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done < $rep_data/umap_phase_1_layers.txt
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# PK VIP
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# plus besoin en 2021
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#ogr2ogr -f "PostgreSQL" PG:"host=$DB_HOST user=$DB_USER password=$DB_PASSWD dbname=$DB_NAME" data/phase_1_umap_pk_vip.geojson -nln phase_1_pk_vip_3857 -lco GEOMETRY_NAME=the_geom -explodecollections -overwrite
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo " Application des traitements SQL "
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echo ""
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# on crée les tables en 3948
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PGPASSWORD=$DB_PASSWD $PSQL -h $DB_HOST -p $DB_PORT -U $DB_USER -d $DB_NAME < sql/phase_1_trace.sql
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echo " fait"
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echo ""
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo " Exports "
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echo ""
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echo " exports geojson"
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echo ""
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# et on exporte vers Geojson
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rm -f $rep_data/phase_1_pk_auto.geojson
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ogr2ogr -f "GeoJSON" $rep_data/phase_1_pk_auto.geojson PG:"host=$DB_HOST user=$DB_USER password=$DB_PASSWD dbname=$DB_NAME" phase_1_pk_auto_4326
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rm -f $rep_data/phase_1_trace_4326.geojson
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ogr2ogr -f "GeoJSON" $rep_data/phase_1_trace_4326.geojson PG:"host=$DB_HOST user=$DB_USER password=$DB_PASSWD dbname=$DB_NAME" phase_1_trace_4326
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# les fichiers sont ensuite tout de suite visible dans umap
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# exports supplémentaires
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rm -f $rep_data/phase_1_pk_auto.xlsx
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ogr2ogr -f "XLSX" $rep_data/phase_1_pk_auto.xlsx PG:"host=$DB_HOST user=$DB_USER password=$DB_PASSWD dbname=$DB_NAME" phase_1_pk_auto_4326
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echo " fait"
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echo ""
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echo ""
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echo ""
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo " F I N traitements phase 1"
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echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
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echo ""
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73
scripts_v2/sql/phase_1_trace.sql
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scripts_v2/sql/phase_1_trace.sql
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TRUNCATE phase_1_trace ;
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INSERT INTO phase_1_trace
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SELECT
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ogc_fid,
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secteur_id::int,
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ordre::int,
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0 AS longueur,
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ST_Transform(the_geom,2154) AS the_geom
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FROM phase_1_trace_3857
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WHERE ST_LENGTH(the_geom) > 0
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ORDER BY secteur_id ASC, ordre ASC ;
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-- mise à jour de la longueur 1 fois la géométrie passée en CC48
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UPDATE phase_1_trace
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SET longueur = TRUNC( ST_Length(the_geom)::numeric / 1000 , 2) ;
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-- on remplit la table trace 4326 pour exporter vers umap
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TRUNCATE phase_1_trace_4326 ;
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INSERT INTO phase_1_trace_4326
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SELECT
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t.ogc_fid,
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s.nom_br AS name,
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t.secteur_id::int,
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t.ordre::int,
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t.longueur,
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ST_Transform(t.the_geom,4326) AS the_geom
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FROM phase_1_trace t JOIN secteur s ON t.secteur_id = s.id
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ORDER BY secteur_id ASC, ordre ASC ;
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TRUNCATE phase_1_trace_troncons ;
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INSERT INTO phase_1_trace_troncons
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SELECT
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row_number() over() as uid,
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secteur_id,
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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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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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ogc_fid,
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secteur_id,
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ordre,
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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_1_trace
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-- ce tri est le plus important
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ORDER BY secteur_id ASC, ordre 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.secteur_id ASC, t.ordre ASC ;
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-- mise à jour des attributs
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UPDATE phase_1_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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