> GS ignores units parameters. It takes projection units. > I've solved this using the Vincenty distance to build the polygon (in > my case, a circle). > I think the right and more general solution is to reproject all to a > geodesic srs (ej 900973), calculate buffer, and may be reproject again > to original srs. Bummer - my application lets people add their own WFS layers so I dont know in advance what the native projection of the layer is. I can the SRS from GetCapabilities document, but is there any easy way to determine units from an SRS code? -- Phil Scadden, GNS Science Ltd 764 Cumberland St, Private Bag 1930, Dunedin, New Zealand Ph +64 3 4799663, fax +64 3 477 5232
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