[OpenLayers-Users] Outside of (-180, 180) error during saving Vector feature

[Phil Scadden]

On 1/03/2013 4:08 p.m., 杨华杰 wrote:
> Thanks for all the replies, so I can solve it in Openlayer, any tips 
> to change the projection?
It very much depends on your backend - the underlying spatial database 
you are storing into (and will need to reproject out of). I think you 
will need to just try and see what works. Sometimes we find that 
projection from server to client will work for some projections but not 
others (notably lat/longs stored as 0:360 on server). In utter 
desparation you can break geometry on the 180 line but you lose polygon 
topology that way. We have a ghastly trick that works for arcSDE in 
maintaining polygon topology over the 180 (create it west of 180, lie 
about the coordinates, then translate to correct position and force 
projection to the correct one) and works okay with a tiled geoserver 
serving it back.

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