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--></style><title>Re: [Talk-us] NAD 27 data to OSM's native WGS 84
data</title></head><body>
<blockquote type="cite" cite>
<blockquote type="cite" cite>Any "magic incantation" that
will just "do this" (for shapefile data) is appreciated.
I don't know if copy-pasting the above string into a .prj in the
shapefile folder will direct JOSM (via Shapefile plug-in) to
"adjust" the data to WGS 84, or if something different is
required. It is even possible that clicking on JOSM's alert
button of "Yes" is all that is required, but I'm not sure.
Thank you in advance.</blockquote>
</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>Well, just clicking "Yes" will
definitely not work, since JOSM won't know what to convert
from.</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite>I don't know if JOSM doesn't
reprojection. But if you want to just do it before loading the data
into JOSM and you have OGR/GDAL installed:</blockquote>
<blockquote type="cite" cite><br></blockquote>
<blockquote type="cite" cite><font face="Courier New">ogr2ogr -s_srs
EPSG:4267 -t_srs EPSG:4326 output.shp
input.shp</font></blockquote>
<div><br></div>
<div>I do have OGR/GDAL installed (for this and other reasons!) and
have done exactly this before (for example, during my US Forest
Service data harmonization in Region 5/California a couple years
ago). Thank you, Darrell, for confirming this.</div>
<div><br></div>
<div>To be clear to anybody else who wishes to use the "Oak Ridge
Rail data," a re-projection from NAD 27to WGS 84 absolutely IS
required, and one way to do that is to use the ogr2ogr command above.
For those new to this, the quickest way is to install GDAL appropriate
to your operating system.</div>
<div><br></div>
<div>Thanks for the quick response!</div>
<div><br></div>
<div>SteveA</div>
<div>California</div>
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