Returns the area of a 2D polygon.
1 geo.area
<geo.area>
<geom_column /> *
</geo.area>
| Arguments | |||||
|---|---|---|---|---|---|
| Name | Type | Required | Unique | Nullable | Description |
| Egeom_column | geometry | Geometric object type (MULTI)POLYGON. | |||
Example
Copy
<select>
<columns>
<geo.area tol='4326' unit='SQ_KM'>a.the_geom</geo.reverseLine>
</columns>
<from table='buildings' alias='a' />
</select>