[Gdal-dev] gdalwarp: Translating source or target SRS failed

[Jachym Cepicky]

Frank, 

thank you very much!

Have a nice weekend

Jachym

On Fri, May 05, 2006 at 12:58:45PM -0400, Frank Warmerdam wrote:
> Jachym Cepicky wrote:
> >Hallo,
> >
> >I try to reproject some raster files using gdalwarp:
> >
> >gdalwarp -s_srs "+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 
> >+alpha=30.28813972222222 +k=0.9999 +x_0=0  +y_0=0 +ellps=bessel +units=m 
> >+towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56" -t_srs "+proj=latlong 
> >+datum=WGS84" teplota.tif teplota-wgs.tif
> > 
> >ERROR 1: Translating source or target SRS failed:
> >+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=30.28813972222222 
> >+k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +units=m 
> >+towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56
> >
> >When I use cs2cs for signle coordinates pair, it works great:
> >
> >echo "-868208.53      -1095793.57"| cs2cs  +proj=krovak +lat_0=49.5
> >+lon_0=24.83333333333333 +alpha=30.28813972222222 +k=0.9999 +x_0=0
> >+y_0=0 +ellps=bessel +units=m +no_defs
> >+towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56 +to +proj=latlong
> >+datum=WGS84
> >12d48'25.16"E   49d27'8.146"N 46.959
> 
> Jachym,
> 
> It seems that the PROJ.4 -> Well Known Text translation code in
> OGR is missing the Krovak case.  I will add it but this fix has
> missed the GDAL 1.3.2 release.
> 
> ... work, work, work ...
> 
> OK, it's in CVS now.
> 
> Note, you can put something like the following in a text file,
> and reference that in your gdalwarp command to get Krovak support
> without my fix.
> 
> PROJCS["Krovak",
>     GEOGCS["Bessel 1841",
>         DATUM["D_unknown",
>             SPHEROID["bessel",6377397.155,299.1528128]],
>         PRIMEM["Greenwich",0],
>         UNIT["Degree",0.017453292519943295]],
>     PROJECTION["Krovak"],
>     PARAMETER["latitude_of_center",49.5],
>     PARAMETER["longitude_of_center",24.83333333333333],
>     PARAMETER["scale_factor",0.9999],
>     PARAMETER["false_easting",0],
>     PARAMETER["false_northing",0],
>     UNIT["Meter",1]]
> 
> Best regards,
> -- 
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam, 
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | President OSGF, http://osgeo.org
> 

-- 
Jachym Cepicky
e-mail: jachym.cepicky at centrum.cz
URL: http://les-ejk.cz
GPG: http://les-ejk.cz/gnupg_public_key/jachym_cepicky-gpg_public_key.asc
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