On 12/03/2014 10:57, Even Rouault wrote: > Le mercredi 12 mars 2014 08:53:44, Vincent Mora a écrit : >> I've question concerning SRS: what should OGRWAsPLayer::GetSpatialRef() >> for unknown SRS. > NULL would be OK. The shapefile and postgis drivers don't appear to like NULL values for SRS.