[OpenLayers-Users] how to query wms, like wfs?

[Phil Scadden]

On 25/02/2014 10:44 a.m., zach cruise wrote:
> thanks, got it to work. but now i have a separate issue:
>
> i got two functions - one returning the result of a wfs query
> (feature), the other returning the result of a wms query (evt).
>
> but how do i cancel wms when wfs has already returned?

So why do you need to run both? For me I would have application design 
have one or other control enabled so only one request made. However, 
cancelling an ajax GET request once made would need working down in the 
OL code to access the XHR object and then calling its abort method. The 
request object will be a property within the getFeature control so you 
may be able to access it from there. (use debugger and look at the 
properties of the control after issues a request). Easy will be to set 
some variable so the response handler just exits if the other request 
has completed.


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