[OpenLayers-Users] using Request.GET vs. Layer with strategy, protocol, format

[Eric Lemoine]

On Friday, March 2, 2012, Scott Chapman <scott at mischko.com> wrote:
> Here's my current code.  "A" works. "B" doesn't.
> Is there something else I need to add to make the features actually show
up?
>
> //A:
>       var vector_layer = new OpenLayers.Layer.Vector("Stores");
>       map.addLayer(vector_layer);
>
>       OpenLayers.Request.GET({
>              url: "/kiosks_status_geoJSON/",
>              headers: {'Accept':'application/json'},
>              success: function (req)
>                       {
>                       var g = new OpenLayers.Format.GeoJSON();
>                       var feature_collection = g.read(req.responseText);
>                       //console.log(feature_collection);
>                       vector_layer.destroyFeatures();
>                       vector_layer.addFeatures(feature_collection);
>                       }
>          });
> //vs:
>
> //B:
>       var vector_layer = new OpenLayers.Layer.Vector("Stores", {
>         strategies: [new OpenLayers.Strategy.Cluster(), new
> OpenLayers.Strategy.Fixed()],
>           protocol: new OpenLayers.Protocol.HTTP({
>                     url: "/kiosks_status_geoJSON/",
>                 headers: {'Accept':'application/json'},
>                  format: new OpenLayers.Format.GeoJSON()
>           })
>       });
>       map.addLayer(vector_layer);

What if you remove the cluster strategy?

-- 
Eric Lemoine

Camptocamp France SAS
Savoie Technolac, BP 352
73377 Le Bourget du Lac, Cedex

Tel : 00 33 4 79 44 44 96
Mail : eric.lemoine at camptocamp.com
http://www.camptocamp.com
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