[mapserver-users] Re: WMSGetFeatureInfo problem (No results, using OL)

[stela anders]

Finally I found the problem (I think)...
I was using mssql2008 database...
Changed to Postgis, and all works fine...

Probably a bug ...

Stella

2010/1/27 stela anders <stelaanders at gmail.com>

> Replied from my husband acc...
> My bad
>
> sorry
>
> Stella
>
> 2010/1/27 Paul james <pauljame at gmail.com>
>
> Hi !
>>
>> I dont think that it is the problem, because WMSGetFeatureInfo is
>> generating the "correct" url (I think)...
>>
>> Anyway I tested querying only 1 single layer and got the same result...
>>
>> Dammit :(
>>
>> Thanks anyway
>>
>> Stella
>>
>> On Wed, Jan 27, 2010 at 12:24 PM, Eichner, Andreas - SID-NLKM <
>> Andreas.Eichner at sid.sachsen.de> wrote:
>>
>>>
>>> Hi Stella,
>>>
>>> according to
>>> http://dev.openlayers.org/docs/files/OpenLayers/Control/WMSGetFeatureInfo-js.htmlthe WMSGetFeatureInfo control's constructor takes an array of
>>> OpenLayers.Layer.WMS objects. But you give it the list you used to draw as
>>> one layer. So you should create two OpenLayers.Layer.WMS objects, one for
>>> layer "Test1" and one for "Test2" and then give the control an array of
>>> them.
>>> So if I'm correct it should look something like that:
>>>
>>> var _test1 = new OpenLayers.Layer.WMS(
>>>                   "MyLayer 1",
>>>                   _mapfilex,
>>>                   {
>>>                    layers: [ 'Test1'],
>>>                    format: "image/png",
>>>                    transparent: "true"
>>>                   },
>>>                   {
>>>                    isBaseLayer: false,
>>>                    buffer: 0,
>>>                    visibility: true
>>>                   }
>>>                 );
>>> var _test2 = new OpenLayers.Layer.WMS(
>>>                   "MyLayer 2",
>>>                   _mapfilex,
>>>                   {
>>>                    layers: [ 'Test2'],
>>>                    format: "image/png",
>>>                    transparent: "true"
>>>                   },
>>>                   {
>>>                    isBaseLayer: false,
>>>                    buffer: 0,
>>>                    visibility: true
>>>                   }
>>>                 );
>>> var infoCtl = new OpenLayers.Control.WMSGetFeatureInfo({
>>>                      layers: Array(_test1, _test2),
>>>                      title: 'Click on the map to get information on
>>> layers',
>>>                      queryVisible: true,
>>>                      infoFormat: 'text/html'
>>>                  });
>>> infoCtl.events.register("getfeatureinfo",map,showInfo);
>>>
>>> function showInfo(evt) {
>>>  alert(evt.text);
>>> }
>>>
>>> Also I don't know how MapServer handles queries to two or more layers if
>>> at least one of them declares header or footer - it might happen that a
>>> layer without a header is processed before one with. And from what you got
>>> back I suggest that MapServer processes each layer if it was queried alone
>>> and therefore outputs the HTTP "Content-type" header after processing the
>>> first layer.
>>>
>>>
>>> Mit freundlichen Grüßen,
>>>
>>> Andreas Eichner
>>>  _______________________________________________
>>> mapserver-users mailing list
>>> mapserver-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>
>>
>>
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>>
>
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