[Qgis-user] Creating a square buffer area around a point

[Andy Harfoot]

If you run the 'Fixed distance buffer' tool from the Sextante QGIS 
algorithms toolbox with a segment count of 1, then you will generate a 
square polygon around each point. You may then need to rotate them by 
45° to align with the coordsys axes if required.

Note that you have to use the Sextante version of the buffer command as 
the Vector > Geoprocessing Tools > Buffer command won't allow a segment 
count of less than 5 (maybe this restriction should be dropped?)

Cheers,

Andy

Luisa Peña wrote:
> Dear all,
> I have a point (from a shapefile) and I need to create a squared 
> buffer, centered on my point with a distance of 30 kms. How can I do 
> this in QGIS?
> Thanks
> Regards,
> Luisa
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-- 
Andy Harfoot

GeoData Institute
University of Southampton
Southampton
SO17 1BJ

Tel:  +44 (0)23 8059 2719
Fax:  +44 (0)23 8059 2849

www.geodata.soton.ac.uk