[Mapbender-users] GetFeatureInfo on WMS

[Michael Schulz]

Hi Robert,

as far as I can see it is true, that Mapbender currently doesn't check
whether a queryable layer is also visible, and if not visible
automatically also disables it's queryability.

I think we had some discussion about that issue in the past, because
there are use-cases, when you exactly want a layer to be queryable but
not visible. The outcome is, that when using treegde with element_var
"ficheckbox" set to true, it is up to the user to en-/disable
visbility/queryability in the tree by means of seperate checkboxes. If
"ficheckbox" is set to false, you'll only get one checkbox per layer,
that toggles visbility/queryability combined on or off. So maybe
thats's what you're looking for.

Cheers, Michael


2009/9/30 Robert Walter <robert-walter at gmx.de>:
> Hi,
>
> I'm using Mapbender 2.6 with a modified copy of gui2. The error message appears if a wms layer is set to invisible or invisible because of it's scale and the featureinfo checkbox is still enabled. I think there should be a dependency between the visibility of a layer and the possibility to make featureinfo requests.
>
> Greetings Robert
>
>
> Hi,
>
> could you give us more information on what version of mapbender you
> are using? Is this error happening in a standard gui or in a self-made
> gui?
>
> Greetings, Michael
>
>
> 2009/9/28 Robert Walter <robert-walter at gmx.de>:
>> Hi list,
>>
>> I have a problem with getfeatureinfo-requests on WMS-layers. In the mapfile of the
> wms a template for each layer is defined. I use the featureinfotunnel with the new
> popup-module.
>>
>> When the wms is enabled and visible in Mapbender the getfeatureinfo-request shows
> the correct info. But when the wms is turned off in treegde-module or the
> wms-layer is invisible because of its scale, the getfeatureinfo shows the
> following error:
>>
>> <?xml version='1.0' encoding="ISO-8859-1" standalone="no" ?>
>> <!DOCTYPE ServiceExceptionReport SYSTEM
> "http://schemas.opengis.net/wms/1.1.1/exception_1_1_1.dtd">
>> <ServiceExceptionReport version="1.1.1">
>> <ServiceException code="LayerNotDefined">
>> msWMSLoadGetMapParams(): WMS server error. Invalid layer(s) given in the LAYERS
> parameter.
>> </ServiceException>
>> </ServiceExceptionReport>
>>
>> What can I do, to avoid this behaviour. When there is no object visible, the
> getfeatureinfo-request should return no result and must not open the popup.
>>
>> Greeting RW
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-----------------------------------------------------------
Michael Schulz
mschulz at webgis.de

in medias res
Gesellschaft für Informationstechnologie mbH

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Tel:  +49 (0)761 705798-0
Fax: +49 (0)761 705798-09

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--------------------------------------------------------------
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Eingetragen im Handelsregister HRB 5930 beim Amtsgericht Freiburg