[Mapbender-users] problem with wfs search

Karsten Vennemann karsten at TERRAGIS.NET
Wed Jul 30 03:46:53 EDT 2008

Thanks Verena,
I was almost ready to post the params of the requests here when I found out
that there was a combination of two things that made me think the search
wasn't configured properly (when it actually kind of worked):
1. I checked the Upper box in admin1 that made some of the search strings I
entered  for debugging not match -> "Kein Ergebnis" (no result)
2. The search was just long (not endless) e.g. when entering the string
"King" in the County search. When clicking on the pop up box (that appears
during the long search) to either debug, stop, or continue the script, after
clicking to "continue" 3 times, then King county was found.
Using firebug I found out what caused this - King county shape polygon has
about 1200 vertices which where sent to the client and which ( I think)
caused the delay. At least when I generalized the shape file and loaded it
into Postgis instead the search was fast.

Now I have two more questions:
Is it generally advised to weed polygon features for wfs searches, or would
server side highlighting do the rick to perform faster. What is recommended
best practice ?

Is it possible to configure the gazetteer module to offer searches for
greater, equal or smaller then searches on numbers? It does a great job
matching strings. Can I use it to find all areas with an attribute above a
creatin number using ? The .server site mentions that there are operators
PropertyIsEqualTo ( = )
PropertyIsNotEqualTo ( <> )
PropertyIsGreaterThan ( > )
PropertyIsLessThan ( < )
PropertyIsLessThanOrEqualTo ( <= )
PropertyIsGreaterThanOrEqualTo ( >= )
similar to what is outlined in the Mapserver reference at
Or do I need to code my own "query builder" module for mapbender in order to
do that?

Thanks Karsten
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