NAD27 is North American Datum of 1927 (Geobase data actually uses the
North American Datum of 1983, on NAD83). Assuming the vector data is
available in shapefile format as well, run the shapefiles through
ogr2ogr in the GDAL/OGR library, and specify you want to convert to
WGS84 geographic.
Dan
- Andrew MacKinnon arranged a host of electrons thusly: -
The recently released City of Toronto aerial imagery is on the
following WMS server:
[snip]
Trouble is, it uses a projection called NAD27 (found that with a bit
of googling) and it shows up a few metres off in JOSM. Any way to fix
I had a look at the Toronto address point data yesterday. This shape
file is NAD27 as well. When converted with shp-to-osm the location
was off by about 100m when compared to OSM road data.
When converted to EPSG:4326 with ogr2ogr, then run through shp-to-osm,
the data is closer, but still
One thing i forgot to mention,
I'll use my trusty example on Vancouver Island
http://www.openstreetmap.org/?lat=48.599lon=-124.63zoom=10layers=B000FTFT
Because the script 'chops up' that wooded area shp file into 'bite-sized
chunks 2000) once all the 'chunks get uploaded'' it turns out
4 matches
Mail list logo