[OpenLayers-Users] json respose to a wms get feature info

[Imran Rajjad]

Hi,

thanks for your reply, actually I had the json response working with
geoserver in my previous client , which did not use any API , since
now I`m using Openlayers. I made this wmsgetfeatureInfo object. Fire
Bug shows a url like

http://10.0.80.41:7004/geoserver/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&LAYERS=topp%3Anetworkcoverage&QUERY_LAYERS=topp%3Anetworkcoverage&STYLES=&BBOX=72.96062%2C33.634027%2C73.097949%2C33.737024&FEATURE_COUNT=10&HEIGHT=600&WIDTH=800&FORMAT=image%2Fgif&INFO_FORMAT=text%2Fhtml&SRS=EPSG%3A4326&X=130&Y=208

when i copy paste this url seperately in a browser I get the response.
I have gone through the docs. There is no example on how to query a
wms layer with Json response. Do I need to specify some function in
wmsgetfeatureinfo where the response should be received.  However I
will check this links, thanks a lot

regards,
Imran

On Tue, Jun 8, 2010 at 5:54 PM, Hugo <hfpmartins at gmail.com> wrote:
> Hello Imran,
>
> The problem you are facing has nothing to do with openlayers, it is though
> related with geoserver. I'm not sure if current releases of geoserver
> already present the json output format but you can always program a template
> to return your results in json format. Check the following sites and if you
> have further questions i think you'll have better chances of getting an
> answer to this problem in the geoserver list.
>
> http://geoserver.org/display/GEOSDOC/GetFeatureInfo+templates
> http://geoserver.org/display/GEOSDOC/Freemarker+templates
> http://docs.geoserver.org/stable/en/user/googleearth/tutorials/kmlplacemark/index.html
> http://freemarker.sourceforge.net/docs/index.html
>
> Hope this can help.
> Cheers,
>
> Hugo Martins
>
> On Tue, Jun 8, 2010 at 1:42 PM, Imran Rajjad <rajjad at gmail.com> wrote:
>>
>> firebug is showing the following request parameters
>>
>> BBOX    72.925254,33.54194,73.199912,33.747933
>> FEATURE_COUNT   10
>> FORMAT  image/gif
>> HEIGHT  600
>> INFO_FORMAT     text/html
>> LAYERS  topp:networkcoverage
>> QUERY_LAYERS    topp:networkcoverage
>> REQUEST GetFeatureInfo
>> SERVICE WMS
>> SRS     EPSG:4326
>> STYLES
>> VERSION 1.1.1
>> WIDTH   800
>> X       690
>> Y       295
>>
>> On Tue, Jun 8, 2010 at 5:18 PM, Imran Rajjad <rajjad at gmail.com> wrote:
>> > Hi ,
>> >
>> > my WMSGetFeatureInfo control is not returning any json,, my code is as
>> > below
>> >
>> > basicControl = {
>> >                   click : new OpenLayers.Control.WMSGetFeatureInfo({
>> >                     url: 'http://10.0.80.41:7004/geoserver/wms',
>> >                        title: 'Identify features by clicking',
>> >                       layers: [network_wms],
>> >                        queryVisible: true,
>> >                        vendorParams: {
>> >                                    version: "1.1.1",
>> >                                    info_format: "text/plain",
>> >                                },
>> >                 format : new OpenLayers.Format.GeoJSON()})
>> >                                                       };
>> >
>> >
>> >                basicControl.click.events.register("getfeatureinfo",
>> > this, showInfo);
>> >                map.addControl(basicControl.click);
>> >
>> >                function showInfo(evt) {
>> >                        alert(evt); //
>> >                  }
>> >
>> >
>> > when I check in FireBug. the request is sent but there is no
>> > responseTexT, what am i doing wrong here
>> >
>> > regards,
>> > Imran
>> >
>> >
>> > On Tue, Jun 8, 2010 at 1:20 PM, Imran Rajjad <rajjad at gmail.com> wrote:
>> >> Hi,
>> >>
>> >> I`m trying to create a box selection that selects features from a wms
>> >> overlay , I need the response to be in JSON and I also want to append
>> >> my cql filter to this request.
>> >>
>> >> Can anyone point me to the documentation closer to this task?
>> >>
>> >> regarsd,
>> >> Imran
>> >>
>> >> --
>> >> I.R
>> >>
>> >
>> >
>> >
>> > --
>> > I.R
>> >
>>
>>
>>
>> --
>> I.R
>> _______________________________________________
>> Users mailing list
>> Users at openlayers.org
>> http://openlayers.org/mailman/listinfo/users
>
>
>
> --
> Hugo Martins
> FMV-UTL
> CIISA-Epidemiologia e Saúde Pública Veterinária
> Av. da Universidade Técnica
> 1300-477 Lisboa
> N 38°42'49.54", W 9°11'43.42"
>



-- 
I.R