[Mapserver-users] filter with shp

[John Hagstrand]

Hi Steve,

Thanks for the reply.  I have a shapefile containing 500 polygons.  For any 
given map request I want to pull out some two or three hundred polygons 
depending on the value of a field.  So I tried doing this:

FILTER 'TIMEBEG < 1500 AND TIMEEND >= 1500'

That gets me an error.  Is there some way I can accomplish this objective?

Then of course there's another step: I want to vary the 1500 value 
dynamically.  I wonder if there's a way to do that without rewriting the 
whole mapfile each time.

How would you recommend I go about this?
Thanks
John

At 05:26 PM 3/18/2003, Steve Lime wrote:
>There's not much reason to use FILTER with shapefiles unless you're
>doing itemquery's. Filters exist primarily as a mechanism to invoke
>vendor specific SQL engines prior to MapServer getting access to
>features.
>
>Steve
>
> >>> John Hagstrand <john.hagstrand at interageresearch.com> 03/16/03
>09:15PM >>>
>Hi,
>
>Can you direct me to an example using a FILTER with a shapefile?
>
>Thanks
>John
>
>-------------------------------------------------
>John Hagstrand
>Interage Research, Inc.
>847 838 5371
>Software Development Consulting for Internet Content Management
>We make knowledge accessible, useful, and relevant for everyone.
>http://www.interageresearch.com
>
>
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-------------------------------------------------
John Hagstrand
Interage Research, Inc.
847 838 5371
Software Development Consulting for Internet Content Management
We make knowledge accessible, useful, and relevant for everyone.
http://www.interageresearch.com