[OpenLayers-Users] Accessing user defined data from a OpenLayers application

[Gery .]

Probably the kml structure is wrong, is it?

Sent from my iRon

On May 25, 2013, at 9:14, "Nipuni Perera" <nipuni880917 at gmail.com> wrote:

Hi,

I have tried displaying data from GeoJSON file which worked fine with both localhost and local file location. But when I tried to get data from a KML file it does not show data on the vector layer, only the base layers is visible. 
This is my vector layer instantiation for retrieving KML data. 

vector_layer = new OpenLayers.Layer.Vector('KML Data',
{ projection:new OpenLayers.Projection('EPSG:4326'),
protocol:new OpenLayers.Protocol.HTTP({url:'flicker_data.kml', format:new OpenLayers.Format.KML({extractAttributes:true})})
,stratagies:new OpenLayers.Strategy.Fixed()});

Thanks,
Nipuni
    


On Thu, May 9, 2013 at 10:34 AM, Phil Scadden <p.scadden at gns.cri.nz> wrote:
> >If so (correct me if my approach incorrect), where should I put the data that I need to access from the OpenLayers application?.
> >Do I need to save data in a file or does the data need to be available from a server?.
> 
> I am assuming that your application will run off a server? If so, then no problem putting the data as xml file on that server and using http to access it (eg, that is how you normally fetch GML).
> 
> If you are working "server-less" then its a whole different ball game. For starters you will need to use a script protocol to get around browser security restrictions on local files. To make your life easier, if at all possible use a server. If you can feed your data to a spatial database like PostGIS and extract with WMS/WFS server like geoserver or mapserver, then it will be easier still.
> 
> 
> 
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-- 
Nipuni Piyabasi Perera
Undergraduate
Department of Computer Science And Engineering
University of Moratuwa
Sri Lanka
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