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218 bytes added ,  00:57, 16 January 2013
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| width='90' | '''Signatures'''
|{{Func|geo:boundary|$geometry as element(*)|xs:element(*)*}}
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| '''Summary'''
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| width='90' | '''Signatures'''
|{{Func|geo:buffer|$geometry as element(*), $distance as xs:double|xs:doubleelement(*)}}
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| '''Summary'''
| Returns a sequence of zero or more polygonal geometries geometry representing the buffer by distance {{Code|$distance}} of geometry {{Code|$geometry}}a buffer area around this geometry having the given width, in the spatial reference system of $geometry. The buffer of a Geometry is the Minkowski sum or difference of the geometry with a disc of radius abs(distance). The buffer is constructed using 8 segments per quadrant to represent curves.
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| '''Errors'''
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