[R-sig-Geo] Help with project function in rgdal library

[Tom Gottfried]

Hi Patrick,

you can find many references in several formats (including proj4) on

http://spatialreference.org/

regards,
Tom

Am 11.07.2011 19:10, schrieb Patrick Leahy:
> Hi,
>
> I'm trying to plot a set of geographical coordinates over the polygons
> in a shapefile, so I need to transform the coordinates to the same
> projection. I'm currently using the project function in the rgdal
> library, but I can't seem to figure out how to format the proj string
> argument correctly. (I made a couple attempts using
> http://www.remotesensing.org/geotiff/proj_list/ as a reference.) The
> text of the .prj file is included below. Any help would be greatly
> appreciated!
>
> Patrick
>
> PROJCS["NAD_1983_StatePlane_New_York_Long_Island_FIPS_3104_Feet",
> GEOGCS["GCS_North_American_1983",
> DATUM["D_North_American_1983",
> SPHEROID["GRS_1980",6378137.0,298.257222101]],
> PRIMEM["Greenwich",0.0],
> UNIT["Degree",0.0174532925199433]],
> PROJECTION["Lambert_Conformal_Conic"],
> PARAMETER["False_Easting",984250.0],
> PARAMETER["False_Northing",0.0],
> PARAMETER["Central_Meridian",-74.0],
> PARAMETER["Standard_Parallel_1",40.66666666666666],
> PARAMETER["Standard_Parallel_2",41.03333333333333],
> PARAMETER["Latitude_Of_Origin",40.16666666666666],
> UNIT["Foot_US",0.3048006096012192]]
>
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