[Gdal-dev] projection with ogr2ogr

Mateusz Loskot mateusz at loskot.net
Fri Mar 9 04:55:55 EST 2007

Lijian Shi wrote:
> Hi, Mateusz,
> Thank you for your help. Now I have resolved the problem according 
> your suggestion.



> But I met a new problem: after reprojecting the shp file with the 
> command: ogr2ogr -t_srs WGS84 -s_srs NAD27 out.shp point.shp, I 
> overlay the out.shp and point.shp in ArcGIS. But there are some shift
>  between tow files. Is there any problem with my command?

I'm not a very experienced user of NAD27 (I live in Poland) but
AFAIK WGS84 =/= NAD27, so there are some differences (shifts)
like NAD27 has higher latitude and WGS84 higher longitude value
(counting in tens of feets).

If anyone could correct me here, I'd be thankful.

Mateusz Loskot

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