Global spatial data processing on the sphere
Maintainer(s):
paleolimbot
Installing and Loading
INSTALL geography FROM community;
LOAD geography;
Example
SELECT * FROM s2_data_countries();
About geography
The geography extension provides global spatial indexing and analysis on the sphere using Google's s2geometry library. For full documentation, see the README and function documentation.
Added Functions
| function_name | function_type | description | comment | examples |
|---|---|---|---|---|
| s2 | scalar | NULL | NULL | [] |
| s2_arbitrarycellfromwkb | scalar | NULL | NULL | [] |
| s2_area | scalar | NULL | NULL | [] |
| s2_astext | scalar | NULL | NULL | [] |
| s2_aswkb | scalar | NULL | NULL | [] |
| s2_bounds_box | scalar | NULL | NULL | [] |
| s2_bounds_box_agg | aggregate | NULL | NULL | [] |
| s2_box | scalar | NULL | NULL | [] |
| s2_box_intersects | scalar | NULL | NULL | [] |
| s2_box_struct | scalar | NULL | NULL | [] |
| s2_box_union | scalar | NULL | NULL | [] |
| s2_box_wkb | scalar | NULL | NULL | [] |
| s2_cell_child | scalar | NULL | NULL | [] |
| s2_cell_contains | scalar | NULL | NULL | [] |
| s2_cell_edge_neighbor | scalar | NULL | NULL | [] |
| s2_cell_from_token | scalar | NULL | NULL | [] |
| s2_cell_intersects | scalar | NULL | NULL | [] |
| s2_cell_level | scalar | NULL | NULL | [] |
| s2_cell_parent | scalar | NULL | NULL | [] |
| s2_cell_range_max | scalar | NULL | NULL | [] |
| s2_cell_range_min | scalar | NULL | NULL | [] |
| s2_cell_token | scalar | NULL | NULL | [] |
| s2_cell_vertex | scalar | NULL | NULL | [] |
| s2_cellfromlonlat | scalar | NULL | NULL | [] |
| s2_cellfromwkb | scalar | NULL | NULL | [] |
| s2_contains | scalar | NULL | NULL | [] |
| s2_covering | scalar | NULL | NULL | [] |
| s2_covering_fixed_level | scalar | NULL | NULL | [] |
| s2_data_cities | table | NULL | NULL | [] |
| s2_data_city | scalar | NULL | NULL | [] |
| s2_data_countries | table | NULL | NULL | [] |
| s2_data_country | scalar | NULL | NULL | [] |
| s2_dependencies | table | NULL | NULL | [] |
| s2_difference | scalar | NULL | NULL | [] |
| s2_dimension | scalar | NULL | NULL | [] |
| s2_distance | scalar | NULL | NULL | [] |
| s2_dwithin | scalar | NULL | NULL | [] |
| s2_equals | scalar | NULL | NULL | [] |
| s2_format | scalar | NULL | NULL | [] |
| s2_geogfromtext | scalar | NULL | NULL | [] |
| s2_geogfromtext_novalidate | scalar | NULL | NULL | [] |
| s2_geogfromwkb | scalar | NULL | NULL | [] |
| s2_geogfromwkb_novalidate | scalar | NULL | NULL | [] |
| s2_intersection | scalar | NULL | NULL | [] |
| s2_intersects | scalar | NULL | NULL | [] |
| s2_is_valid | scalar | NULL | NULL | [] |
| s2_is_valid_reason | scalar | NULL | NULL | [] |
| s2_isempty | scalar | NULL | NULL | [] |
| s2_length | scalar | NULL | NULL | [] |
| s2_max_distance | scalar | NULL | NULL | [] |
| s2_mayintersect | scalar | NULL | NULL | [] |
| s2_num_points | scalar | NULL | NULL | [] |
| s2_perimeter | scalar | NULL | NULL | [] |
| s2_prepare | scalar | NULL | NULL | [] |
| s2_register_geoarrow_extensions | table | NULL | NULL | [] |
| s2_union | scalar | NULL | NULL | [] |
| s2_x | scalar | NULL | NULL | [] |
| s2_y | scalar | NULL | NULL | [] |
Added Types
| type_name | type_size | logical_type | type_category | internal |
|---|---|---|---|---|
| GEOGRAPHY | 16 | BLOB | NULL | true |
| S2_BOX | 0 | STRUCT | COMPOSITE | true |
| S2_CELL | 8 | UBIGINT | NUMERIC | true |
| S2_CELL_CENTER | 8 | UBIGINT | NUMERIC | true |
| S2_CELL_UNION | 16 | LIST | COMPOSITE | true |