[OpenLayers-Users] Postgis layer srs 2908 supported?

[Ivan Grcic]

Well browsers start to choke with more then 200-300 features, that is
max. nr of features one should ever load in vector layer. Now, you can
imagine what happens with 6500 features :)

On Fri, Dec 4, 2009 at 1:01 PM, Sarah Schuessler <sarah_flip at yahoo.de> wrote:
> Hi Ivan,
>
> I have about 6500 features (multipolygon).
> best regards
> Sarah
> ________________________________
> Von: Ivan Grcic <igrcic at gmail.com>
> An: Sarah Schuessler <sarah_flip at yahoo.de>
> CC: users at openlayers.org
> Gesendet: Freitag, den 4. Dezember 2009, 12:53:53 Uhr
> Betreff: Re: [OpenLayers-Users] Postgis layer srs 2908 supported?
>
> Hi Sarah,
>
> how many feature do you have?
>
> On Fri, Dec 4, 2009 at 12:38 PM, Sarah Schuessler <sarah_flip at yahoo.de>
> wrote:
>> I have solved this:
>> new OpenLayers.Layer.Vector("N.Y.C",  {protocol: new
>> mapfish.Protocol.MapFish
>>         ({url: "nyc_buildings"}),
>>         strategies: [new OpenLayers.Strategy.BBOX({ratio: 1})],
>> isBaseLayer:
>> true, visibility: true ,
>>         styleMap: new
>> OpenLayers.StyleMap(OpenLayers.Util.applyDefaults({fillColor: "green",
>> fillOpacity: 1, strokeColor:
>> "black"},OpenLayers.Feature.Vector.style["default"]))}),
>>
>> but it took about a minute before I can see my vector layer. I think it
>> has
>> to do with heap space from java because I got a warning that (translated):
>> a script is too busy or is not answered anymore. You could stop it or go
>> ahead with it seeing if it ends.
>> http://localhost:5000/mfbase/openlayers/lib/OpenLayers/Util.js:869
>>
>> Can anybody say what I can do to avoid this?
>>
>> Thanks.
>> best regards
>> Sarah
>>
>> ________________________________
>> Von: Sarah_S <Sarah_flip at yahoo.de>
>> An: users at openlayers.org
>> Gesendet: Dienstag, den 1. Dezember 2009, 11:40:01 Uhr
>> Betreff: [OpenLayers-Users] Postgis layer srs 2908 supported?
>>
>>
>> Hi list,
>>
>> I new to OL and want to use a multipolygon layer from postgis (within
>> mapfish). layer has srs 2908 but is not displayed.
>> I use this code:
>> new OpenLayers.Layer.Vector("nyc_buildings",  {protocol: new
>> mapfish.Protocol.MapFish
>>         ({url: "nyc_buildings"}),
>>         strategies: [new OpenLayers.Strategy.BBOX()], isBaseLayer: true,
>> visibility: true ,
>>         styleMap: new OpenLayers.StyleMap({default: new
>> OpenLayers.Style({strokeColor: "00FF00", strokeWidth: 3, fillColor:
>> "00CC00"})})
>>         },{projection: "EPSG:2908"})
>>
>> but don´t know if I have to transform/reproject this layer via proj4js or
>> I
>> have simply an error of my code.
>>
>> If I select this layer at layer tree I get an error "Operation on two
>> geometries with different srids" (pgadmin3 says that my layer has srid
>> 2908)
>> and a blank page- I think that Ol (or mapfish) has problems with epsg:
>> 90019
>> and mine.
>> Tried to change new OpenLayers.Projection and displayProjection to 2908
>> but
>> that did not change anything.
>>
>> I´m using win server 2003.
>>
>> Any hints are welcome.
>>
>> Thanks
>> best regards
>> Sarah
>> --
>> View this message in context:
>>
>> http://n2.nabble.com/Postgis-layer-srs-2908-supported-tp4092947p4092947.html
>> Sent from the OpenLayers Users mailing list archive at Nabble.com.
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>
>
>
> --
> Ivan Grcic
>
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-- 
Ivan Grcic