Fwd: [mapserver-users] WFS Filter with CGI Controls ?
Mehmet
m.sirin07 at googlemail.com
Wed Apr 1 11:29:17 PDT 2009
---------- Forwarded message ----------
From: Mehmet <m.sirin07 at googlemail.com>
Date: 2009/4/1
Subject: Re: [mapserver-users] WFS Filter with CGI Controls ?
To: Yewondwossen Assefa <yassefa at dmsolutions.ca>
hey,
that's an good idea! And it worked for example with EXPRESSION ('[type]' eq
'motorway')
thank you
kind regards
m.sirin
2009/3/31 Yewondwossen Assefa <yassefa at dmsolutions.ca>
Mehmet,
>
> One possibility would be to use variable substitution I guess: you can
> define your expression in the class with a value that would be replace from
> the url (http://mapserver.org/mapfile/variable_sub.html):
>
> something like this (not tested)
> EXPRESSION ("[TYPE]" = "%ms_type%"). You would then set
> my_type=residential in the url.
>
> Best Regards
>
> Mehmet wrote:
>
>> Hi,
>>
>> For example I want to use the Openstreetmap data, more precisely streets.
>> And there are attributes like "name", "type", etc. Now I want to display
>> some features of "type" for instance by choosing "residential". The question
>> is: How to do that via URL and not by employing a client?
>>
>> kind regards
>>
>> 2009/3/30 Yewondwossen Assefa <yassefa at dmsolutions.ca <mailto:
>> yassefa at dmsolutions.ca>>
>>
>> Hi There,
>>
>> I am not sure I understand the question properly? Do you mean
>> getting the schema (attributes) of a layer? If that is the case
>> there is a DescribeSchema operation on a wfs server.
>>
>> Best Regards
>>
>>
>>
>> Mehmet wrote:
>>
>>
>>
>> Hi, using the wfs_filter in a wms/wfs client works without
>> problems. But I wonder If can use "wfs_filter" via URL (not for
>> getting a XML File by GetFeature..that is I'm not meaning
>> &Filter=<Filter><
>>
>> PropertyIsGreaterThan><PropertyName>AREA</PropertyName><Literal>100</Literal></PropertyIsGreaterThan></Filter>
>> ).
>>
>> It's for showing a dropdown menu in which users can choose what
>> type of roads they want to display (the geodata comes from
>> openstreetmap).
>> Is it possible?
>>
>>
>>
>>
>> By the way: I just have the Mapserver 4.10 running.
>>
>>
>>
>> Thank you
>> M.Sirin
>>
>>
>>
>> ------------------------------------------------------------------------
>>
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>>
>>
>> -- ----------------------------------------------------------------
>> Assefa Yewondwossen
>> Software Analyst
>>
>> Email: assefa at dmsolutions.ca <mailto:assefa at dmsolutions.ca>
>> http://www.dmsolutions.ca/
>>
>> Phone: (613) 565-5056 (ext 14)
>> Fax: (613) 565-0925
>> ----------------------------------------------------------------
>>
>>
>>
>
> --
> ----------------------------------------------------------------
> Assefa Yewondwossen
> Software Analyst
>
> Email: assefa at dmsolutions.ca
> http://www.dmsolutions.ca/
>
> Phone: (613) 565-5056 (ext 14)
> Fax: (613) 565-0925
> ----------------------------------------------------------------
>
>
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