[OpenLayers-Users] map.RemoveLayer() does not work

[sunny74]

Hi,

I can see that it is deleted and a new GML file created every time bec' it
contents are different when the selection has changed.

If it is a caching issue of openlayers or the webserver then how to tackle
them?
Pls tell me in details.

Thanks for your reply.



Leich Tobias wrote:
> 
> 
> the GML-file is on the webserver, right?
> 
> do you see that it reloads this file from the webserver?
> 
> otherwise it could be a caching issue of openlayers or your webserver...
> 
> 
> Mit freundlichen Grüßen/Best regards 
> 
> Tobias Leich 
> Softwareentwicklung & Systemadministration
> Service Management Center
> 
> -----Ursprüngliche Nachricht-----
> Von: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org] Im
> Auftrag von sunny74
> Gesendet: Montag, 7. September 2009 11:13
> An: users at openlayers.org
> Betreff: Re: [OpenLayers-Users] map.RemoveLayer() does not work
> 
> 
> Hi Leich,
> 
> Thanks for your reply.
> It worked.
> 
> However I am having one problem.
> I am removing one layer 'choice_features' using your code and then adding
> one by the same name using
> the following code:
> 
>  map.addLayer(new OpenLayers.Layer.GML("choice_features",
> "XML1/FeatureGML.xml")); 
> 
> This layer is being added from the file FeatureGML.xml in the folder XML1.
> The GML file is created at run time and with every change in selection its
> contents also changes.
> But the selected feature on the map remains the same after the first
> selection.
> Only the first time does it show the feature correctly.After that it shows
> the first one irrespective of the feature that is selected.
> 
> What wrong am I doing & how to set it right?
> 
> Thanks again.
> 
> Leich Tobias wrote:
>> 
>>  
>> Hi, please try: 
>> 
>> var layers = map.getLayersByName('choice_features');
>> 	    		
>> for(var layerIndex = 0; layerIndex < layers.length; layerIndex++)
>> {
>> 	map.removeLayer(layers[layerIndex]);
>> }
>> 
>> Mit freundlichen Grüßen/Best regards 
>> 
>> Tobias Leich 
>> Softwareentwicklung & Systemadministration
>> Service Management Center
>> 
>> ADC KRONE Services 
>> tobias.leich at adckrone.com
>> Mobil: +49 (0) 151 / 580 43 596
>> Tel.: +49 (0) 3328 / 4590 512
>> Fax.: +49 (0) 3328 / 4590 55 512 
>>  
>> Learn more about ADC KRONE at www.adckrone.com 
>> Rheinstraße 10B / 14513 Teltow / Germany 
>> ADC Services GmbH, Sitz Teltow, Amtsgericht Potsdam - HRB 19612 P
>> Geschäftsführer: Fritz Lohr
>> Ust-Id-Nr. DE 137227829
>> 
>> -----Ursprüngliche Nachricht-----
>> Von: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org]
>> Im
>> Auftrag von sunny74
>> Gesendet: Montag, 7. September 2009 07:14
>> An: users at openlayers.org
>> Betreff: [OpenLayers-Users] map.RemoveLayer() does not work
>> 
>> 
>> Hi,
>> 
>> I am trying to remove a layer using the RemoveLayer(layer,
>>         setNewBaseLayer) function.
>> The code is:
>> 
>>  map.removeLayer(choice_features, false);
>> It is only able to remove the layer "choice_features" the very first time
>> it
>> is created at PageLoad.
>> But when the same layer is created the second time it is unable to remove
>> it
>> and throws javascript exception
>> 
>> htmlfile: Invalid argument.
>> 
>> So how to get it to remove the layer every time it is created.
>> Awaiting solution.
>> 
>> Thanks for your replies. 
>> -- 
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>> 
> 
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