Name
CG_Area — Calculates the area of a geometry
Synopsis
double precision CG_Area(
geometry
geom
);
Description
Calculates the area of a geometry.
Performed by the SFCGAL module
![[Note]](../images/note.png)
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NOTE: this function returns a double precision value representing the area. |
Availability: 3.5.0
This method needs SFCGAL backend.
Geometry Examples
Code
SELECT CG_Area('Polygon ((0 0,0 5,5 5,5 0,0 0),(1 1,2 1,2 2,1 2,1 1),(3 3,4 3,4 4,3 4,3 3))');
Output
23
Figure