mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-25 00:58:06 -05:00
13 lines
344 B
Plaintext
13 lines
344 B
Plaintext
<h3>union function</h3>
|
|
Returns a geometry that represents the point set union of the geometries.
|
|
|
|
<h4>Syntax</h4>
|
|
<pre>union( a, b )</pre>
|
|
|
|
<h4>Arguments</h4>
|
|
a → geometry
|
|
b → geometry
|
|
|
|
<h4>Example</h4>
|
|
<pre> geomToWKT( union( geomFromWKT( 'POINT(4 4)' ) , geomFromWKT( 'POINT(5 5)' )) ) → returns MULTIPOINT(4 4, 5 5)</pre>
|