Add the GHSL height table

.gitignore

+.idea

README.md

@@ -26,6 +26,15 @@ Please add a small reasoning around the following points for each proposed merge
 | geom        | geometry (MultiPolygon, 4326) | Geometry in WGS84 coordinate system. |
 
 
+####  `ghsl_height`
+
+| Column name | Data type                     | Description                          |
+|-------------|-------------------------------|--------------------------------------|
+| id          | serial (primary key)          | Identifier.                          |
+| height      | real                          | Height in meter.                     |
+| geom        | geometry (MultiPolygon, 4326) | Geometry in WGS84 coordinate system. |
+
+
 #### `google_buildings`
 
 | Column name | Data type                    | Description                               |

migrations/00002_add_ghsl_height_table.sql

+-- Copyright (c) 2024:
+--   Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ
+--
+-- This program is free software: you can redistribute it and/or modify it
+-- under the terms of the GNU Affero General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or (at
+-- your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful, but
+-- WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero
+-- General Public License for more details.
+--
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program. If not, see http://www.gnu.org/licenses/.
+
+
+-- Add the `ghsl_height` table.
+CREATE TABLE public.ghsl_height (
+    id serial NOT NULL PRIMARY KEY,
+    height real,
+    geom GEOMETRY (MULTIPOLYGON, 4326)
+);
+
+-- Add the indexes to the `ghsl_height` table.
+CREATE INDEX ghslheight_geom_idx ON public.ghsl_height USING gist (geom);