[Mapserver-users] MAXFEATURES and postgis layer

Paul Ramsey pramsey at refractions.net
Tue Aug 12 13:05:43 EDT 2003


I am guessing that mappostgis.c is ignoring it. The maplayer.c delegates 
that feature to the implementation, and the mappostgis.c implementation 
says nothing about it. Should be a very easy feature to add.
P.

Zamil Murji wrote:

> I am trying to get the maxfeatures tag to work with a postgis layer. It just doesn't seem to work. Here is my layer definition:
> LAYER
>    NAME "morewells"
>    TYPE point
>    STATUS off
>    MAXSCALE 8
>    CONNECTIONTYPE postgis
>    CONNECTION "user=idc dbname=idc host=sdb2 port=5432"
>    DATA "the_geom from twell"
>    CLASSITEM wellid
>    MAXFEATURES 1
>    CLASS
>      COLOR 0 0 0
>      SYMBOL 6
>      SIZE 10
>      MAXSIZE 10
>      MINSIZE 10
> #     TEMPLATE "c:\\mapfiles\test.html"
>    END
> END
> 
> Am i doing anything wrong? Does maxfeatures also work in nquery mode?
> Thanks
> zamil
> 
> -----Original Message-----
> From: Zamil Murji 
> Sent: Tuesday, August 12, 2003 9:10 AM
> To: Howard Mark; mapserver-users at lists.gis.umn.edu
> Subject: RE: [Mapserver-users] &WHERECLAUSES=?
> 
> 
> Yes there is. Look into the filteritem and filter tags. Both of these can be changed dynamically from the url.
> 
> Hope this helps
> Zamil
> 
> -----Original Message-----
> From: Howard Mark [mailto:MHoward at spaceimaging.com]
> Sent: Tuesday, August 12, 2003 8:30 AM
> To: mapserver-users at lists.gis.umn.edu
> Subject: [Mapserver-users] &WHERECLAUSES=?
> 
> 
> 
> Is there any why to dynamically filter for features to be displayed in a
> layer using a HTML template (JS/Java) or with a WMS call -- i.e.
> &WHERECLAUSES = ??????
> I know expressions in map files - I'm talking dynamically.
> 
> 
> Thanks,
> Mark
> 
> 
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      | Paul Ramsey
      | Refractions Research
      | Email: pramsey at refractions.net
      | Phone: (250) 885-0632
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