[Mapserver-users] point collisions

[Kralidis,Tom [Burlington]]

> -----Original Message-----
> From: Paul Dymecki [mailto:pdymecki at sympatico.ca] 
> Sent: Monday, April 26, 2004 9:08 PM
> To: mapserver-users at lists.gis.umn.edu
> Subject: [Mapserver-users] point collisions
> 
> 
> Hello,
>    I was wondering if there is some feature in mapserver in 
> which point collisions can be compensated for.  I'm currently 
> working with a point layer that occasionally has identical 
> lat/longs for some points.. thx, Paul
>

What is the criteria which makes 1..n identical points individual records?
First thought would be a filter, i.e.:

FILTERITEM "TIME"  # where time is the name of the time column in the
shapefile's dbf

FILTER "%time%"    # whatever comes through the URL as "&TIME=timestring&";
timestring is the value passed to the filter

Hope this helps

..Tom

=========================
Tom Kralidis
Systems Scientist
Environment Canada
Tel: +01-905-336-4409
http://www.ec.gc.ca/

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