[Mapbender-users] GetFeatureInfo on WMS

[Robert Walter]

Hi Michael,

thanks for your answer. 

Setting "ficheckbox" to false works for switching the layer manually off. But when the setting maxScale in wms settings is set and the layer is invisible because of the mapscale, the featureinfo still shows the error.

And when I surf through the mapbender application in the wiki-gallery, obviously no one uses the maxscale setting in conjunction with the featureinfo tool. So this seems to be a known problem.

Greetings Robert



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

+++ Bitte beachten Sie unsere neue Adresse und Durchwahl +++

Schwimmbadstraße 2
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Tel:  +49 (0)761 705798-0
Fax: +49 (0)761 705798-09

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http://www.webgis.de / http://www.zopecms.de
--------------------------------------------------------------
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Eingetragen im Handelsregister HRB 5930 beim Amtsgericht Freiburg
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