2013-09-15 16:00:28 +02:00

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<h3>intersects function</h3>
Returns 1 if the geometries spatially intersect (share any portion of space) and 0 if they don't.
<h4>Syntax</h4>
<pre>intersects( $geometry , $geometry)</pre>
<h4>Arguments</h4>
geometry &rarr; geometry
geometry &rarr; geometry
<h4>Example</h4>
<pre> intersects( geomFromWKT( 'POINT(4 4)' ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' )) &rarr; returns 1</pre>
<pre> intersects( geomFromWKT( 'POINT(4 5)' ) , geomFromWKT( 'POINT(5 5)' )) &rarr; returns 0</pre>