[mapserver-users] PHP mapscript $shape->buffer() takes a longtime

Daniel Morissette dmorissette at mapgears.com
Wed Nov 18 06:34:09 PST 2009


Worth Lutz wrote:
> I'm learning a lot here.
> 
> I now understand how to get the buffered geometry quickly.
> 
> I am using the buffered geometry to use PHP mapscript to select parcel
> intersecting the buffered geometry.
> 
> $layer->queryByShape($bufferedShape);
> 
> Are you telling me that there is a better/faster way to do this?
> 

Yes, queryByShape() respects the TOLERANCE/TOLERANCEUNITS layer 
parameters. So you could set the TOLERANCE to your buffer value and then 
queryByShape() on the original feature will select all features that 
intersect the buffer.

-- 
Daniel Morissette
http://www.mapgears.com/



More information about the MapServer-users mailing list