Re: [R-sig-Geo] EPSG codes for LO31 WGS84 projection data

2009-05-06 Thread Wesley Roberts
Thanks Paul, I did find the mailing list and am using the following proj4 definition for both my shapefile and imagery data. It seems to work in R so I am happy with the result. +proj=tmerc +south +ellips=WGS84 +datum=WGS84 +lon_o=31 +k_0=1 +units=m +no_defs As per usual I found the solution n

Re: [R-sig-Geo] EPSG codes for LO31 WGS84 projection data

2009-05-06 Thread Paul Hiemstra
Hi Wesley, A good source of information in regard of projections is the proj4 mailing list: http://lists.maptools.org/mailman/listinfo/proj cheers, Paul Wesley Roberts wrote: Dear Colleagues, I have a data set which is projected using the following projection, Hartebeeshoek94 Projection G

[R-sig-Geo] EPSG codes for LO31 WGS84 projection data

2009-05-06 Thread Wesley Roberts
Dear Colleagues, I have a data set which is projected using the following projection, Hartebeeshoek94 Projection Gauss Conform LO31. This is a local projection used in South Africa. So far, I have only been able to find the EPSG code for the projection from http://spatialreference.org/ref/epsg/