[OpenLayers-Users] mouse event return clicked layer

[gustavo palminha]

After studying the GetFeatureInfo example from openlayers i looked into the
WSDL of the WMS server that was used for building the example.
After looking into it there was references in the WSDL about the
GetFeatureInfo. After a short look into the foruns about the GetFeatureInfo
i had the feeling that there a few stet to acomplish this, so whats called
with a fewlines of code from the OL requires a server setup (Mapserver or
Geoserver) to be able to retrieve back the information.
I will try to find a alternative solution to my application.
I was just curious if there was any way to retrive back the name of the WMS
clicked layer, because thats the only thing i need so far, the rest is done.
Regards.
 

Andreas Hocevar-2 wrote:
> 
> gustavo palminha wrote:
>> Hello andreas.
>> I bottom line is that i would like to create a sort of GetFeatureInfo for
>> my
>> WMS layers.
>> I do not use mapserver or geoserver, instead i use manifold gis which
>> doen
>> not provide a valid WSDL for a working GetFeatureInfo.
>>   
> 
> Wow, I was not aware that there is a SOAP-based flavour of
> GetFeatureInfo that requires a WSDL. I think your point is that Manifold
> does not support GetFeatureInfo [1].
> 
>> So my main goal would be to know how to discover a way to capture the
>> name
>> of the clicked wms layer.
>> Assuming that this is not possible i was thinking about doing this:
>> OL Side (client side)
>> •Build a list of shown/active layers (by reading the layers on the layser
>> selection menu)
>> •Pass this list to a webservice with the x,y
>> Server Side (webservice)
>> •Filter them excluding the ones from the list where they did not
>> touch/intersect the x/y
>> •Read back the items retrieved and the user should have pressed the last
>> layer in the list.
>>   
> 
> This sounds like re-inventing the wheel. See [1] for suggestions on how
> to work around this. You could also contact Manifold support and suggest
> they add GetFeatureInfo (hey, you paid for that software), or replace
> Manifold with some GetFeatureInfo capable WMS like Geoserver or UMN
> Mapserver.
> 
> Regards,
> Andreas.
> 
> [1] http://forum.manifold.net/forum/t82857.12
> 
> -- 
> Andreas Hocevar
> OpenGeo - http://opengeo.org/
> Expert service straight from the developers.
> 
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> 
> 


-----
Regards.
GP
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