[Mapserver-users] point collisions

[Paul Dymecki]

I do have the former, but don't have a time attribute in my dbf file.  Is
the time attribute just a time when the record was created?
Paul
----- Original Message -----
From: "Kralidis,Tom [Burlington]" <Tom.Kralidis at ec.gc.ca>
To: "'Paul Dymecki'" <pdymecki at sympatico.ca>
Sent: Tuesday, April 27, 2004 6:03 PM
Subject: RE: [Mapserver-users] point collisions


>
>
> > -----Original Message-----
> > From: Paul Dymecki [mailto:pdymecki at sympatico.ca]
> > Sent: Tuesday, April 27, 2004 4:31 PM
> > To: Kralidis,Tom [Burlington]
> > Subject: Re: [Mapserver-users] point collisions
> >
> >
> > Hi Tom,
> >     Well the scenario is  a bit cheesey. There are multiple
> > ecological monitoring initiatives with the same home office
> > and they are all tagged with the home office's lat/long
> > unfortunately that's all that is available at the moment,  so
> > i just have to compensate.  Would the filteritem do the trick
> > in this case? thx, Paul
>
> I don't understand.  Do you have one layer with many identically
positioned
> points?  Or you have many layers with points who, when displayed atop one
> another, appear as one point?  If the former, you can do filteritem,
> depending on how you'd like the app to work.
>
> ..Tom
>
> > ----- Original Message -----
> > From: "Kralidis,Tom [Burlington]" <Tom.Kralidis at ec.gc.ca>
> > To: "'Paul Dymecki'" <pdymecki at sympatico.ca>;
> > <mapserver-users at lists.gis.umn.edu>
> > Sent: Monday, April 26, 2004 11:57 PM
> > Subject: RE: [Mapserver-users] point collisions
> >
> >
> > >
> > > > -----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/
> > >
> > > > _______________________________________________
> > > > Mapserver-users mailing list Mapserver-users at lists.gis.umn.edu
> > > > http://lists.gis.umn.edu/mailman/listinfo/maps> erver-users
> > > >
> >