[OpenLayers-Users] KML NetworkLink and auto-refresh

[Peter Peterse]

Hello,

I've also tried this. In my case the old KML stays on the layer. So parts
which are deleted stays on the map. Parts with a transparancy becomes
darker and darker after every request.

Can somebody help use?

Peter.


> Thanks Dan, I'll have to give this a try.
>
> I notice that your timer is going off every 10 minutes...how much data are
> you loading from the KML file?  Is there much in the way of a noticeable
> flicker when you reload the layer (i.e. does all of the data completely
> disappear for a few seconds while the KML file is parsed and reloaded)?
>
> I'd be looking to reload a layer containing between 20-100 text objects
> every 5 seconds or so and I'm not sure what the performance will be like
> under those conditions.
>
> Cheers,
>
> Andrew
>
> On Wed, May 13, 2009 at 1:35 AM, ChiefDan <ChiefDan at gmail.com> wrote:
>
>>
>> Andrew,
>> Not sure if you found a solution, if not, this is what I've done.
>>
>> In the map init function, set a timer:
>>
>> window.setInterval(raingaugeRefreshData, 600000, rainGauges);
>>
>> Then in the timer service function:
>> function raingaugeRefreshData(layer)
>> {
>>  layer.loaded = false;
>>  layer.setVisibility(true);
>> }
>> By setting loaded to false then calling setVisibility(), openlayers goes
>> and
>> grabs the kml file again.
>>
>> Hope this helps.
>>
>> Dan
>> --
>> View this message in context:
>> http://n2.nabble.com/KML-NetworkLink-and-auto-refresh-tp2531433p2870627.html
>> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>>
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