Plotting data on a map
Did you check the "Spatial" task view page? https://cran.r-project.org/web/views/Spatial.html Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Wed, Apr 6, 2016 at 2:20 AM, <phiroc at free.fr> wrote:
Hello, I would like to generate a small map (say 10cm x 10cm) of France showing cumulative numbers by Distribution Center stored in a database: DISTRIBUTION_CENTER COUNT Paris 122 Paris 3 Paris 21 Lyon 12 Lyon 4444 Lyon 33 Grenoble 55 Grenoble 999 Grenoble 99 ... I have looked at different graphing packages such as 'sp', 'raster' and 'ggplot2', but am not sure which one is most appropriate for my purposes. Furthermore, I don't understand how you retrieve city coordinates from shp, gadm, etc., maps generated, or downloaded from the web and then processed, with those packages (SHP, GADM, etc.), and plot data at those coordinates. Any help would be much appreciated. Many thanks. Philippe
______________________________________________ R-help at 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.