<h3>geometry function</h3>
Returns the feature's geometry

<h4>Syntax</h4>
<pre>geometry( f )</pre>

<h4>Arguments</h4>
f &rarr; QgsFeature

<h4>Example</h4>
<pre> geomToWKT( geometry( getFeature( layer, attributeField, value ) ) ) &rarr; POINT(6 50)</pre>
<pre> intersects( $geometry, geometry( getFeature( layer, attributeField, value ) ) ) &rarr; 1</pre>
