I found this conversation, and it is ok! Thanks, Balazs 2011/8/10 Vadim Shlyakhov <[email protected]>
> On Tue, Aug 9, 2011 at 4:19 PM, Balazs Szabó <[email protected]> wrote: > > Probably my SRS was wrong, my historical maps are in EPSG:3819, but I > needed > > to convert this coordinates to EPSG:23700, wich has wrong parameters in > open > > source softwares (I have to add to the proj.4 format of EPSG:23700 the > > following towgs parameter: > > '+towgs84=52.684,-71.194,-13.975,-0.312,-0.1063,-0.3729,1.0191') and my > maps > > Perhaps you could have a look at this thread: > > http://osgeo-org.1803224.n2.nabble.com/Problems-with-EOV-for-Hungary-1972-Egyseges-Orszagos-Vetuleti-td3691381.html >
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