Rob you can do this with geoserver and it's "sql view" feature. The docs cover it pretty well.
hth charles On Aug 23, 2011, at 12:26 PM, Robert Buckley wrote: > Hi, > > I have to use postgis to create a puffer layer. I could do this within > postgis, but the problem is that I have to display the result in my webapp! > > I have seen many examples on how to puffer, but none where a user inputs a > value from a textbox e.g 50 and presses a button to calculate a puffer over > the data with a 50m puffer and then displays the resulting vector layer in > the openlayers map. > > > Is this very complex? > How should I start coding this? PHP to script the postgis query? > > thanks for any scripts, tips or advice. > > yours, > > Rob > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users
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