  Dear R colleagues,
  Does anyone know if it's possible to create a vector with coordinate values extracted from a shape loaded with readShapePoly command of "maptools" package?
  For example, the following code loads the shapefile containing Brazilian states division:
library(maptools)br<-readShapePoly("BR-map/3.shp")
  What I need to do is create a vector which contains all lat and lon values inside this shapefile...
  Thanks in advance,
  Thiago Veloso.


      
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