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- From: karpi <karpi.lists AT email.cz>
- To: freegeocz AT fsv.cvut.cz
- Subject: Re: [FreeGeoCZ] jtsk -> UTM
- Date: Tue, 29 Jan 2008 00:28:02 +0100
- List-archive: <http://mailman.fsv.cvut.cz/pipermail/freegeocz>
- List-id: Svobodná geoinformační infrastruktura <freegeocz.fsv.cvut.cz>
28/01/08 23:20, ivan.mincik AT gmail.com napsal(a):
> epsg:32634 je vlastne to iste co som specifikoval parametrami +proj=tmerc
> +lat_0=0 +lon_0=21 +x_0=4500000 +ellps=WGS84 +datum=WGS84 +units=m
> +k=0.9996
> +no_def
v epsg filu mam 32634 definovane jako: +proj=utm +zone=34 +ellps=WGS84
+datum=WGS84 +units=m +no_defs
jestli je to presne to same, to nejsem schopen posoudit, ale vysledky to dava
rozdilne:
alnagon % echo "18d 47d" |proj +init=epsg:32634
271930.43 5209532.85
alnagon % echo "18d 47d" |proj +proj=tmerc +lat_0=0 +lon_0=21 +x_0=4500000
+ellps=WGS84 +datum=WGS84 +units=m +k=0.9996 +no_defs
4271930.43 5209532.85
>
> a to je bohuzial to mierne nespravne natocene.
>
> skusam prave experimentovat s 41001 ale este s ovela horsimi vysledkami.
> nemate nahodou s nim nejake skusenosti?
> skusal som:
> 1.
> +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0
> +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs
>
> 2.
> +proj=merc +lat_ts=0 +lon_0=0 +k=1.0 +x_0=0 +y_0=0 +a=6378137.0
> +b=6378137.0 +units=m
>
> podla tejto definicie
>
>
> OSGEO:41001 PROJCS["WGS84 / Simple Mercator", GEOGCS["WGS 84",
> DATUM["WGS_1984", SPHEROID["WGS_1984",6378137,298.257223563]],
> PRIMEM["Greenwich",0], UNIT["Decimal_Degree", 0.0174532925199433]],
> PROJECTION["Mercator_1SP"], PARAMETER["central_meridian",0],
> PARAMETER["false_easting",0], PARAMETER["false_northing",0],
> UNIT["Meter",1]]
>
> ale stale je to riadne natocene a hlavne nesedia uz ani dlszky
>
> dakujem
>
>
>
>
>
> On Monday 28 January 2008 22:41, karpi wrote:
> > ...proc ne:
> > -t_srs epsg:32634
> > ..to taky nefunguje ?
> >
> > 28/01/08 22:06, ivan.mincik AT gmail.com napsal(a):
> > > Dobry den,
> > >
> > > skusal som transformovat statnu hranicu SR z JTSK do UTM pas 34 pomocou
> > >
> > > ogr2ogr -s_srs krovak.prf -t_srs '+proj=tmerc +lat_0=0 +lon_0=21
> > > +x_0=4500000 +ellps=WGS84 +datum=WGS84 +units=m +k=0.9996 +no_defs' -f
> > > "ESRI Shapefile" vystup_UTM vstup_JTSK.shp
> > >
> > > vysledny utvar je tvarom identicky originalu JTSK ale je mierne cely
> > > natoceny (asi o 5 stupnov). kde mozem robit chybu?
> > >
> > > UTM potrebujem pre rovinne zobrazenie udajov nameranych pomocou GPS.
> > >
> > > dakujem ivan
> > >
> > >
> > >
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- [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/28/2008
- Re: [FreeGeoCZ] jtsk -> UTM, karpi, 01/28/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/28/2008
- Re: [FreeGeoCZ] jtsk -> UTM, karpi, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, karpi, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Martin Landa, 01/29/2008
- Message not available
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, karpi, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, karpi, 01/29/2008
- Re: [FreeGeoCZ] jtsk -> UTM, Ivan Mincik, 01/28/2008
- Re: [FreeGeoCZ] jtsk -> UTM, karpi, 01/28/2008
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