DWithin Filter

Bart van den Eijnden BEN at SYNCERA-ITSOLUTIONS.NL
Fri Aug 12 07:29:29 PDT 2005


Can you try upgrading to Mapserver 4.6?

Best regards,
Bart

Bart van den Eijnden
Syncera IT Solutions
Postbus 270
2600 AG  DELFT

tel.nr.: 015-7512436
email: BEN at Syncera-ITSolutions.nl

>>> Miguel Gonçalves <mgoncalves at DSI.UMINHO.PT> 08/12/05 04:26pm >>>
I am using MapServer 4.4.1.
TOLERANCEUNITS METERS is already set in the cities layer but results are
the same.
When I put the distance=0,9 I get the city that coincides with the point
but,
when I put distance=1 I get a lot of cities that are really far from the
point.


Bart van den Eijnden wrote:

>Which Mapserver version are you using?
>
>There was a bug with the TOLERANCEUNITS not being set. As a workaround you can try to set TOLERANCEUNITS METERS on your LAYER.
>
>Best regards,
>Bart
>
>Bart van den Eijnden
>Syncera IT Solutions
>Postbus 270
>2600 AG  DELFT
>
>tel.nr.: 015-7512436
>email: BEN at Syncera-ITSolutions.nl 
>
>
>
>>>>Miguel Gonçalves <mgoncalves at DSI.UMINHO.PT> 08/12/05 04:11pm >>>
>>>>
>>>>
>I am using the WFS DWithin filter to get all the cities in a range of
>1000 meters from a point
>using the following request;
>
>http://localhost/cgi-bin/mapserv.exe?MAP=../mymap.map&SERVICE=wfs&VERSION=1.0.0&REQUEST=getFeature&TYPENAME=cities&Filter= 
><Filter>
>    <DWithin>
>        <gml:Point>
>        <gml:coordinates>-8.418000,41.539600</gml:coordinates>
>        </gml:Point>
>        <Distance units='m'>1000</Distance>
>    </DWithin>
></Filter>
>
>In the results that I obtain the distance of the cities from the point
>is not being accurate.
>I believe I am having problems with the units.
>Can somebody help me to correct my request?
>Beste regards.
>Miguel
>
>
>



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