Making a WMS layer queryable

Bart van den Eijnden bartvde at XS4ALL.NL
Thu Aug 25 13:46:00 EDT 2005


Try adding gml_include_items "all" to your LAYER's METADATA.

Best regards,
Bart

On Thu, 25 Aug 2005 17:39:58 +0200, Jennifer Zeisloft  
<jzeisloft at GMAIL.COM> wrote:

> Hi Bart-
>
> I added DUMP TRUE to the map file. I do get some sort of result for that
> layer:
>
> *Bluff Profiles*
> Feature:
>
> Bluff_Profile_feature
> but it isn't the result I'm looking for - it doesn't seem to be accessing
> the attribute table at all. Do I need to add something else, perhaps to  
> the
> Layer Metadata? I guess I'm wondering how MapServer knows that
> GetFeatureInfo is being requested.
>
> Perhaps this is also a Chameleon issue? (I am also looking into WFS to  
> see
> if that might be a practical route.)
>
> I really appreciate the help. Thanks!
>
> Jennifer Zeisloft
> UW Sea Grant
>
> On 8/25/05, Bart van den Eijnden <BEN at syncera-itsolutions.nl> wrote:
>>
>> This is not true, WMS has GetFeatureInfo which shows attribute info for  
>> a
>> feature.
>>
>> Jennifer, have you tried adding DUMP TRUE?
>>
>> Best regards,
>> Bart
>>
>> Bart van den Eijnden
>> Syncera IT Solutions
>> Postbus 270
>> 2600 AG DELFT
>>
>> tel.nr <http://tel.nr>.: 015-7512436
>> email: BEN at Syncera-ITSolutions.nl
>>
>> >>> Ethan Alpert <ealpert at DIGITALGLOBE.COM> 08/25/05 12:55 am >>>
>> You need WFS for querying feature attributes.
>>
>> -e
>>
>> -----Original Message-----
>> From: UMN MapServer Users List
>> [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Jennifer Zeisloft
>> Sent: Wednesday, August 24, 2005 4:13 PM
>> To: MAPSERVER-USERS at LISTS.UMN.EDU
>> Subject: [UMN_MAPSERVER-USERS] Making a WMS layer queryable
>>
>>
>> Hello All-
>>
>> I am attempting to serve a WMS layer that I would like to be
>> queryable (using the identify feature button/Query widget from
>> Chameleon). The layer appears as it should when brought into a map, but
>> is not queryable, despite what it says in the layer information popup
>> window. Other layers brought into the same map through other servers
>> are queryable. I have searched the documentation and lists, but haven't
>> been able to find any answers. Do I need to add something extra to the
>> mapfile (layer portion is pasted below)? Both the context and
>> capabilities xml files show that the layer is queryable (=1) and I have
>> increased the tolerance ridiculously just to make sure a click hits on
>> the point. Any suggestions would be greatly appreciated! Thanks in
>> advance for your help.
>>
>> Jennifer Zeisloft
>> UW Sea Grant
>>
>> -------------------------------------
>>
>> LAYER
>> NAME Bluff_Profile
>> STATUS ON
>> TYPE POINT
>> DATA bluffg
>> TEMPLATE "ttt_query.html"
>> TOLERANCE 500
>> TOLERANCEUNITS PIXELS
>> MAXSCALE 300000
>> PROJECTION
>> "init=epsg:4326"
>> END
>> METADATA
>> "wms_srs" "EPSG:4326"
>> "wms_name" "Bluff_Profile"
>> "wms_title" "Bluff Profiles"
>> "wms_abstract" "TBA"
>> "wms_keywordlist" "Lake Superior"
>> "wms_server_version" "1.1.1"
>> "wms_formatlist" "image/png,image/jpeg,image/wbmp"
>> "wms_format" "image/png"
>> "wms_onlineresource"
>> "http://144.92.46.35/cgi-bin/mapserv.exe?map=C:\ms4w\apps\chameleon\lscm
>> p\map\wlscmp_wms.map&amp; "
>> END
>> CLASS
>> SYMBOL 'circle'
>> COLOR 255 166 0
>> SIZE 6
>> END
>> END
>>
>>



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