ogr2ogr, ogrinfo: add pages (#3337)

pages/common/ogr2ogr.md

@@ -0,0 +1,24 @@
+# ogr2ogr
+
+> Convert Simple Features data between file formats.
+> More information: <https://gdal.org/programs/ogr2ogr.html#ogr2ogr>.
+
+- Convert a Shapefile into a GeoPackage:
+
+`ogr2ogr -f GPKG {{output}}.gpkg {{input}}.shp`
+
+- Change coordinate reference system of a GeoPackage from `EPSG:4326` to `EPSG:3857`:
+
+`ogr2ogr -s_srs {{EPSG:4326}} -t_srs {{EPSG:3857}} -f GPKG {{output}}.gpkg {{input}}.gpkg`
+
+- Convert a CSV file into a GeoPackage, specifying the names of the coordinate columns and assigning a coordinate reference system:
+
+`ogr2ogr -f GPKG {{output}}.gpkg {{input}}.csv -oo X_POSSIBLE_NAMES={{longitude}} -oo Y_POSSIBLE_NAMES={{latitude}} -a_srs {{EPSG:4326}}`
+
+- Load a GeoPackage into a PostGIS database:
+
+`ogr2ogr -f "PostgreSQL" PG:dbname="{{database_name}}" {{input}}.gpkg`
+
+- Clip layers of a GeoPackage file to the given bounding box:
+
+`ogr2ogr -spat {{min_x}} {{min_y}} {{max_x}} {{max_y}} -f GPKG {{output}}.gpkg {{input}}.gpkg`