Returns the geometric center of a geometry or of a geometry set. The geometry must be one or a set of POINTS, POLYGON or MULTIPOLYGON.

1 geo.centroid

<geo.centroid ora_tol='ora_tol'>
    <geometry_column /> *
</geo.centroid>

Attributes
Name	Type	Required	Default	Description
Aora_tol	decimal			0.05	Tolerance. It is only used in oracle.

Arguments
Name	Type	Required	Unique	Nullable	Description
Egeometry_column	geometry				Geometric object.

Example

Copy

<select>
    <columns>
        <geo.centroid ora_tol='0.005'>a.the_geom</geo.centroid>
    </columns>
    <from table='buildings' alias='a' />
    <where>
        a.name = 'MACBA'
    </where>
</select>