Changes between Version 9 and Version 10 of Noeud - parcours RHT

Timestamp:

Jan 4, 2012 4:20:39 PM (13 years ago)

Author:

celine

Comment:

--

Noeud - parcours RHT

@@ -68 +68 @@
 }}}
 
+== Joining ROE with RHT ==
+Projection spatiale des obstacles (points) sur le RHT (lignes) avec un buffer de 300 m [[BR]]
+{{{
+#!sql
+DROP TABLE IF EXISTS rht.rhtvs2_roev2;
+CREATE TABLE rht.rhtvs2_roev2 as (
+        SELECT distinct on (id_roe) id_roe, id_drain, min(distance) as distance, the_geom FROM (
+               SELECT id_roe, id_drain ,CAST(distance(r.the_geom, s.the_geom) as  decimal(15,1)) as distance, s.the_geom 
+               FROM roe_v2.roe_v2 As s
+               INNER JOIN  rht.rhtvs2 r ON ST_DWithin(r.the_geom, s.the_geom,300)
+               WHERE s.the_geom IS NOT NULL
+               ORDER BY id_roe) AS sub 
+        GROUP BY id_roe, distance,id_drain, the_geom  ---49269 lines
+); 
+alter table rht.rhtvs2_roev2 add column id serial;
+-- mise à jour de la table geometry_columns
+INSERT INTO geometry_columns(f_table_catalog, f_table_schema, f_table_name, f_geometry_column, coord_dimension, srid, "type")
+SELECT '', 'rht', 'rhtvs2_roev2', 'the_geom', ST_CoordDim(the_geom), ST_SRID(the_geom), GeometryType(the_geom)
+FROM rht.rhtvs2_roev2 LIMIT 1;
 
-#A FINIR !! 
+-- creation d'index, clé primaire, et constraintes qui vont bien
+alter table rht.rhtvs2_roev2 add CONSTRAINT enforce_dims_the_geom CHECK (ndims(the_geom) = 2);
+alter table rht.rhtvs2_roev2 add  CONSTRAINT enforce_geotype_the_geom CHECK (geometrytype(the_geom) = 'POINT'::text OR the_geom IS NULL);
+alter table rht.rhtvs2_roev2 add  CONSTRAINT enforce_srid_the_geom CHECK (srid(the_geom) = 3035);
+alter table rht.rhtvs2_roev2 ADD CONSTRAINT pk_idroe PRIMARY KEY(id);
+alter table rht.rhtvs2_roev2 drop CONSTRAINT pk_idroe;
+CREATE INDEX indexroev2_rhtvs2 ON rht.rhtvs2_roev2
+  USING GIST ( the_geom GIST_GEOMETRY_OPS );
+}}}
+
+
+#A FINIR ci-dessous !! 
 == Comment aller chercher les infos sur le nombre de barrages et la distance mer, les données sont dans la ccm ? ==