[Users] Help with OpenLayers.Format.GeoJSON

[Pol]

It seems that screenshots are not allowed, so I made a link to imageshack
here:

First: http://img713.imageshack.us/i/screenshot20100917at935.png/
Second: http://img96.imageshack.us/i/screenshot20100917at936.png/


-Pol D.-
http://www.google.com/profiles/110003197662276240659


On Fri, Sep 17, 2010 at 09:40, Pol <d.paolino at gmail.com> wrote:

> Hello Eric, all,
>
> I tried your advice and it doesn't work here.
>
> I join you 2 screenshots where you can see what I'm doing.
>
> I'm really lost into this, I've tried with different versions of firefox,
> always the same result...
>
> Thanks for helping!
>
> -Pol D.-
> http://www.google.com/profiles/110003197662276240659
>
>
> On Wed, Sep 15, 2010 at 08:57, Eric Lemoine <eric.lemoine at camptocamp.com>wrote:
>
>> On Wed, Sep 15, 2010 at 8:21 AM, Pol <d.paolino at gmail.com> wrote:
>> > Yes I tried also to do that, but the thing that worry me the most is
>> that
>> > console.log() do not display anything...
>>
>> This is weird.
>>
>> Overriding read works for me. In the FireBug console:
>>
>> >>> var f = new OpenLayers.Format.GeoJSON({read: function(str) {
>> console.log(str); }});
>> >>> f.read("foo");
>> foo
>>
>> Likewise the following patch to the feature-grid.html example works for
>> me:
>>
>> diff --git examples/feature-grid.js examples/feature-grid.js
>> index 04cf945..d9419e6 100644
>> --- examples/feature-grid.js
>> +++ examples/feature-grid.js
>> @@ -48,7 +48,12 @@ Ext.onReady(function() {
>>          proxy: new GeoExt.data.ProtocolProxy({
>>             protocol: new OpenLayers.Protocol.HTTP({
>>                  url: "data/summits.json",
>> -                format: new OpenLayers.Format.GeoJSON()
>> +                format: new OpenLayers.Format.GeoJSON({
>> +                    read: function() {
>> +                        console.log("in read");
>> +                        return
>> OpenLayers.Format.GeoJSON.prototype.read.apply(this, arguments);
>> +                    }
>> +                })
>>             })
>>         }),
>>         autoLoad: true
>>
>>
>> > I've modified my code like this:
>> > MarkersStore = new GeoExt.data.FeatureStore({
>> > layer: MarkersLayer,
>> > proxy: new GeoExt.data.ProtocolProxy({
>> > protocol: new OpenLayers.Protocol.HTTP({
>> > url: marker_api_url,
>> > format: new OpenLayers.Format.GeoJSON({
>> > read: function() {
>> > console.log("testing...");
>> >                         var obj =
>> OpenLayers.Format.JSON.read.apply(this,
>> > arguments);
>> >     return OpenLayers.Format.GeoJSON.read.apply(this, obj['#data']);
>> >         },
>> > 'internalProjection': proj900913,
>> > 'externalProjection': proj4326
>> > }),
>> > readWithPOST: true
>> > })
>> > }),
>> > autoLoad: true,
>> > });
>> > Any idea?
>>
>>
>> Patching the feature-grid.html example has made me realize that
>> there's something wrong in the above code. The read method is
>> obviously set in the prototype, so OpenLayers.Format.JSON.read should
>> be OpenLayers.Format.JSON.prototype.read, and likewise for
>> Format.GeoJSON.
>>
>>
>> --
>> 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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