On Nov 28, 2009, at 5:58 PM, Mike N. wrote:
I have definitely not taken the GIS:100 course! I could not
manipulate
the epsg library arguments into cs2cs argments, but I found a Python
fragment that does what I need, so I'm set.
self.originShift = 2 * math.pi * 6378137 / 2.0
...
def M
El Domingo, 29 de Noviembre de 2009, Mike N. escribió:
> echo -180 45 | cs2cs +proj=latlong +datum=WGS84 +to +proj=merc
> +ellps=sphere +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0
> +k=1.0 +units=m +towgs84=0,0,0 +no_defs
echo -180 45 | cs2cs +init=epsg:4326 +to +init=epsg:3785
M
Mike,
Mike N. wrote:
> I have definitely not taken the GIS:100 course! I could not manipulate
> the epsg library arguments into cs2cs argments, but I found a Python
> fragment that does what I need, so I'm set.
In case you ultimately need tile coordinates, there's also some code in
various
> I was unsure whether the OP was able to do coordinate conversions in
> principle and just didn't know how to access spherical mercator, or
> whether he didn't know how to use these tools at all?
I have definitely not taken the GIS:100 course! I could not manipulate
the epsg library arguments
Hi,
Iván Sánchez Ortega wrote:
> El Sábado, 28 de Noviembre de 2009, Mike N. escribió:
>> I would like to be able to convert from Spherical Mercator coordinates
>> (used by Mapnik, I think) to WGS-84 OSM db Lat/Lon format using the Geo
>> Tools cs2cs.exe or proj.exe from the Cartographic Projectio
El Sábado, 28 de Noviembre de 2009, Mike N. escribió:
> I would like to be able to convert from Spherical Mercator coordinates
> (used by Mapnik, I think) to WGS-84 OSM db Lat/Lon format using the Geo
> Tools cs2cs.exe or proj.exe from the Cartographic Projections library. I
> am unable to figure
I would like to be able to convert from Spherical Mercator coordinates (used
by Mapnik, I think) to WGS-84 OSM db Lat/Lon format using the Geo Tools
cs2cs.exe or proj.exe from the Cartographic Projections library. I am
unable to figure this out from their documentation or example.
Thanks,
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