nearest search with MapServer

[Fischer, Brian]

MapServer users,
 
I am curious to hear if anyone knows if it is possible to implement a
nearest search with mapscript.  For example I want to take an xy point
that a user clicked on the map and find the nearest feature in many
different layers to that point.  For example nearest park, library,
school, etc.  It is also possible the point could be contained with in a
polygon.  Is there a Geos function in mapscript to do this?
 
I haven't seen this done before with mapserver, but thought I would ask
anyway.  I know I could do it with PostGIS, but I'm trying to get away
without making that a requirement for my application.  Thanks for any
feedback you can give me.
 
-Brian
 
 
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