[OpenLayers-Users] Internet Explorer 8 Issues on adding KML-Layer

[Zac Spitzer]

put simply, IE is not in the same class as chrome or firefox,
you will need to use a map server to render that much data reliably in IE

On Thu, Aug 9, 2012 at 6:03 PM, Andreas Schnieders
<schnieders.a at gmail.com> wrote:
> Hi,
>
> I'm experiencing serious issues when adding a KML-Layer to OpenLayers in the
> IE. The KML-Data is - up to this state of development - provided by a JSP.
> When just creating the KML-Layer everything is fine, but when actually
> adding it to the map the IE8 consumes 50-80% CPU-Usage and just crashes. No
> interaction or anything possible.
>
> Creating and adding works just fine in Chrome and Firefox.
>
> Does anyone have any hints on this? How is the internal OpenLayers
> mechanisms? Isn't the data obtained and created on "new
> OpenLayers.Layer.Vector(...)" already? How is it this works but adding it to
> the map doesn't? It's something around 150 objects. Each consisting of one
> Point-Placemark and on LineString-Placemark.
>
> Here's my code for creating the layer:
>
>     kmlLayer = new OpenLayers.Layer.Vector("KML", {
>                 strategies: [new OpenLayers.Strategy.Fixed(),
>                              new OpenLayers.Strategy.Refresh({force: true,
> interval:  5000 })],
>                 protocol: new OpenLayers.Protocol.HTTP({
>                     url: "track-server.jsp",
>                     params: {
>                         'track': 1,
>                         'label': 1,
>                         'speed': 6
> //                      'speed': $("#speedLengthSelector").val(),
>                         },
>                     format: new OpenLayers.Format.KML({
>                         extractStyles: false,
>                         extractAttributes: true,
>                         maxDepth: 2
>                     })
>                 }),
>                 styleMap: styleMap
>             });
>
>     map.addLayer(kmlLayer);
>
> Many thanks in advance,
> Andreas
>
>
>
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-- 
Zac Spitzer
Solution Architect / Director
Ennoble Consultancy Australia
http://www.ennoble.com.au
http://zacster.blogspot.com
+61 405 847 168