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Add MNT sub-command #14

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Add MNT sub-command #14

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be7b46c
ref_geo info: add mnt infos
bouttier Sep 12, 2023
70be731
ref_geo: add mnt vectorize & mnt delete_vector
bouttier Sep 12, 2023
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31 changes: 30 additions & 1 deletion src/ref_geo/commands.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,8 @@ def ref_geo():
@ref_geo.command()
@with_appcontext
def info():
click.echo("RefGeo : nombre de zones par type")
click.echo("[RefGeo]")
click.echo("Nombre de zones par type :")
q = (
db.session.query(BibAreasTypes, func.count(LAreas.id_area).label("count"))
.join(LAreas)
Expand All @@ -23,3 +24,31 @@ def info():
)
for area_type, count in q.all():
click.echo("\t{}: {}".format(area_type.type_name, count))
click.echo("Modèle numérique de terrain :")
dem_count = db.session.execute("SELECT count(*) FROM ref_geo.dem").scalar()
click.echo(f"\tRaster : {dem_count} entrées")
dem_count = db.session.execute("SELECT count(*) FROM ref_geo.dem_vector").scalar()
click.echo(f"\tVectoriel : {dem_count} entrées")


@ref_geo.group(help="Gestion du MNT")
def mnt():
pass


@mnt.command()
@with_appcontext
def vectorize(help="Convertir le MNT raster en vectoriel"):
click.echo("[1/2] Peuplement de ref_geo.dem_vector à partir de ref_geo.dem …")
db.session.execute(
"INSERT INTO ref_geo.dem_vector (geom, val) SELECT (ST_DumpAsPolygons(rast)).* FROM ref_geo.dem"
)
click.echo("[2/2] Actualisation de l’index ref_geo.index_dem_vector_geom …")
db.session.execute("REINDEX INDEX ref_geo.index_dem_vector_geom")


@mnt.command()
@with_appcontext
def delete_vector(help="Supprimer le MNT vectoriel"):
click.echo("Suppression du MNT vectoriel …")
db.session.execute("TRUNCATE ref_geo.dem_vector")
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