[OpenLayers-Users] geosjon format with epsg other than 4326

[Steve.Toutant at inspq.qc.ca]

Hi,
Sometimes I receive geojson from a wps service in different projection 
than 4326. I manage it like this for example
geojson_format = new OpenLayers.Format.GeoJSON({'internalProjection': 
map.getProjectionObject(),'externalProjection': new 
OpenLayers.Projection("EPSG:32198")});

It works but 32198 is hardcoded, and I don't know when the epsg will be 
different. 

I read that if different than 4326, the geojson should have a crs tag as 
defined here
http://geojson.org/geojson-spec.html#named-crs

Someone has defined a new OpenLayers.Format.GeoJSON that can read this tag 
and set the externalProjection code?

thanks
steve
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