overlaps function

Returns 1 if the geometries share space, are of the same dimension, but are not completely contained by each other.

Syntax

overlaps( a, b )

Arguments

a → geometry b → geometry

Example

 overlaps( geomFromWKT( 'LINESTRING(3 5 , 4 4 , 5 5 , 5 3)'  ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' ))   → returns 1
 overlaps( geomFromWKT( 'LINESTRING(0 0 , 1 1)'  ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' ))    → returns 0