It's already there, I did not look properly: http://proj4js.org/lib/proj4js-combined.js
Best regards, Bart > Makes sense when you put it like that. > > It would help a lot if there would be an online version of proj4js, which > one could include in the respective OpenLayers examples and tests. Or do > we want to duplicate this in OpenLayers svn (I guess not)? > > Best regards, > Bart > >> Le Lundi 4 Mai 2009 14:02, bart...@osgis.nl a écrit : >>> The only question left is do we want to depend on proj4js for this? >>> >>> Reading urn type projections will require proj4js, is that an >>> acceptable >>> dependency for OpenLayers? >> >> If we look at the WMS 1.3.0 specs (for instance), the CRS can be URI >> (EPSG:4326), URN (urn:ogc:def:crs:EPSG:6.6:4326) or URL >> (http://epsg.org/#4326). The process of reading a projection attribute >> in >> OL >> is to convert the string definition into an OL.Projection object. >> >> If OL relies upon PROJ4JS, it sounds ok to let PROJ4JS parses the >> string. >> Either the reader knows and it is ok, or the reader does know and the >> error >> is handed over back to OL.Projection constructor. >> >> If OL parses the string, it will have to know which one is supported by >> the >> underlaying reader. The later can evolve and support more and then >> OL.Projection will have to be changed. >> >> So, I prefer the CRS reader understanding or not the string definition >> and >> OL.Projection just acting as a proxy. >> >> Sincerely, >> >> didier >> >>> >>> Best regards, >>> Bart >>> >>> > Hi Didier, >>> > >>> > great! I had not seen that. >>> > >>> > So I can just pass a urn string to the OpenLayers.Projection object >>> > constructor. >>> > >>> > Best regards, >>> > Bart >>> > >>> >> Le Lundi 4 Mai 2009 13:25, bart...@osgis.nl a écrit : >>> >>> Hi list, >>> >>> >>> >>> Currently Proj4js and OpenLayers use EPSG:XXXX as the syntax for >>> >>> projections, whereas OWSContext uses the urn syntax, for example: >>> >>> >>> >>> urn:ogc:def:crs:EPSG:6.6:4326 >>> >>> >>> >>> So in my OWSContext Format I use a small utility function which >>> >>> transforms >>> >>> this into EPSG:4326. >>> >>> >>> >>> The urn syntax can also be present in GML3 files. >>> >>> >>> >>> Question: >>> >>> -would this belong in OpenLayers' Projection.js or in Proj4js? >>> >> >>> >> I have added URN in Proj4js. At least, it is in the trunk (See >>> >> http://trac.osgeo.org/proj4js/ticket/17) >>> >> >>> >> didier >>> >> >>> >>> Best regards, >>> >>> Bart >>> >>> >>> >>> _______________________________________________ >>> >>> Dev mailing list >>> >>> Dev@openlayers.org >>> >>> http://openlayers.org/mailman/listinfo/dev >>> >> >>> >> -- >>> >> Didier RICHARD, chef du pôle technique Géoportail pour l'IGN >>> >> Institut Geographique National tel: +33/0 1.43.98.83.23 >>> >> 2/4 Avenue Pasteur fax: +33/0 1.43.98.80.88 >>> >> F-94165 St-Mande Cedex e-mail: didier.rich...@ign.fr >> >> -- >> Didier RICHARD, chef du pôle technique Géoportail pour l'IGN >> Institut Geographique National tel: +33/0 1.43.98.83.23 >> 2/4 Avenue Pasteur fax: +33/0 1.43.98.80.88 >> F-94165 St-Mande Cedex e-mail: didier.rich...@ign.fr >> >> > > > _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
