Eric,

I can't help much apart from confirming that the same happened to me when trying to reproject Russia from LAEA to WGS84.

My "solution" was to ask a colleague, who is using ESRI products to do me a favour... :-(

Hermann


Eric Muller wrote:
I am trying to reproject shapefiles that represent Russia (from http://wagda.lib.washington.edu/DATA/geography/world/russia/download.html) from the original:

    The map is Albers equal-area projection Clarke spheroid of1866 with
    the first standard parallel 46 00 0.000, the second standard
    parallel 73 00 0.000, the central meridian 84 00 0.000. The latitude
    of the projection's origin is 60 00 0.000.  Units -- meters.

to lat/long WGS84. I use the following command:

ogr2ogr \
-s_srs '+proj=aea +ellps=clrk66 +lat_1=46.0 +lat_2=73.0 +lat_0=60.0 +lon_0=84.0 +units=m +no_defs' \
    -t_srs '+proj=latlong +ellps=WGS84 +datum=WGS84 +no_defs' \
    rs_polbnda_${f}.shp rus${f}.shp

I would like polygons that cross the 180 degree longitude to be split. It there a way to ask ogr2ogr to do that? What is the recommended way to do it, if not?

Thanks,
Eric.


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