sp2df: Transform data from sp to data frame for ggplot2
In rOpenGov/gisfin: Finland GIS R Tools

Description Usage Arguments Value Author(s) References Examples

Transform data from sp to data frame for ggplot2

1	sp2df(sp, region = NULL, verbose = TRUE)

`sp`	A spatial object to be transformed
`region`	A string specifying the region of interest
`verbose`	logical. Should R report extra information on progress?

A ggplot2 theme object

Juuso Parkkinen louhos@googlegroups.com

See citation("gisfin")

sp.suuralue <- get_helsinki_aluejakokartat(map.specifier="suuralue");
          # Need to load rgeos and maptools for ggplot2::fortify in sp2df() 
          library(rgeos);
          library(maptools);
          # Transform to df and plot with ggplot2
          df.suuralue <- sp2df(sp.suuralue, "Name");
          library(ggplot2);
          theme_set(get_theme_map());
          ggplot(df.suuralue, aes(x=long, y=lat, fill=Name)) + 
          geom_polygon() + theme(legend.position="none")