The following are examples from the rgdal library help file. Neither functions operate properly.
Help is appreciated. Paul Example 1 > EPSG <- make_EPSG() Error in make_EPSG() : Error opening epsg file > EPSG[grep("Oslo", EPSG$note), 1:2] Error: object 'EPSG' not found > EPSG[1925:1927, 3] Error: object 'EPSG' not found Example 2 > data(meuse) > coordinates(meuse) <- c("x", "y") > proj4string(meuse) <- CRS(paste("+init=epsg:28992", + "+towgs84=565.237,50.0087,465.658,-0.406857,0.350733,-1.87035,4.0812")) NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files Error in CRS(paste("+init=epsg:28992", "+towgs84=565.237,50.0087,465.658,-0.406857,0.350733,-1.87035,4.0812")) : no system list, errno: 2 > # see http://trac.osgeo.org/gdal/ticket/1987 > summary(meuse) Object of class SpatialPointsDataFrame Coordinates: min max x 178605 181390 y 329714 333611 Is projected: NA proj4string : [NA] Number of points: 155 Data attributes: cadmium copper lead zinc Min. : 0.200 Min. : 14.00 Min. : 37.0 Min. : 113.0 1st Qu.: 0.800 1st Qu.: 23.00 1st Qu.: 72.5 1st Qu.: 198.0 Median : 2.100 Median : 31.00 Median :123.0 Median : 326.0 Mean : 3.246 Mean : 40.32 Mean :153.4 Mean : 469.7 3rd Qu.: 3.850 3rd Qu.: 49.50 3rd Qu.:207.0 3rd Qu.: 674.5 Max. :18.100 Max. :128.00 Max. :654.0 Max. :1839.0 elev dist om ffreq soil lime Min. : 5.180 Min. :0.00000 Min. : 1.000 1:84 1:97 0:111 1st Qu.: 7.546 1st Qu.:0.07569 1st Qu.: 5.300 2:48 2:46 1: 44 Median : 8.180 Median :0.21184 Median : 6.900 3:23 3:12 Mean : 8.165 Mean :0.24002 Mean : 7.478 3rd Qu.: 8.955 3rd Qu.:0.36407 3rd Qu.: 9.000 Max. :10.520 Max. :0.88039 Max. :17.000 NA's :2 landuse dist.m W :50 Min. : 10.0 Ah :39 1st Qu.: 80.0 Am :22 Median : 270.0 Fw :10 Mean : 290.3 Ab : 8 3rd Qu.: 450.0 (Other):25 Max. :1000.0 NA's : 1 > meuse.utm <- spTransform(meuse, CRS("+proj=utm +zone=32 +datum=WGS84")) NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files Error in spTransform(xSP, CRSobj, ...) : No transformation possible from NA reference system > summary(meuse.utm) Error in summary(meuse.utm) : object 'meuse.utm' not found > ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.