[GRASS-user] Polish datum problem

[Markus Neteler]

2010/4/7 Jarek Jasiewicz <jarekj at amu.edu.pl>:
> Hi
>
> This is rather question for Polish GRASS users....
>
> Did anyone notice what had happed with "PUWG 1965" within Proj4 EPSG
> database?
>
> Since PROJ version 4.6 is :
>
> <2173> +proj=sterea +lat_0=53.58333333333334 +lon_0=17.00833333333333
> +k=0.9998 +x_0=3501000 +y_0=5999000 +ellps=krass +units=m +no_defs  <>
>
> but shoud be:
> "+proj=sterea +lat_0=53.58333333333334 +lon_0=17.00833333333333 +k=0.9998
> +x_0=3501000 +y_0=5999000 +ellps=krass
> +towgs84=33.4,-146.6,-76.3,-0.359,-0.053,0.844,-0.84 +units=m +no_defs";

Yes, I see that it disappeared.
EvenR told me in IRC right now, that it is back in proj-trunk.

http://trac.osgeo.org/proj/browser/trunk/proj/nad/epsg

> and it causes error when zone 1-4 is choosed:
>
> WARNING:
> Datum <Pulkowo_1942_58> not recognised by GRASS and no parametrs found
>
>
> And what had happend with "PUWG1942"? Dissapeared???

It temporarily disappeared  in PROJ-4.7. :(

Solutions:
- update the epsg file from trunk (but I dunno if that's compliant)
- we add the datums to lib/gis/datumtransform.table
?

Markus