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I am trying to reproject a shapefile. For example, the land shapefile from Natural Earth.

library(sf)
shape <- read_sf(".../ne_10m_land.shp")

shape_proj<-spTransform(shape, CRS("+proj=gnom +lat_0=90 +lon_0=-50"))

I keep getting the following error, even when I try with CRSobj= or using other ways to express the CRS.

Error in (function (classes, fdef, mtable) : unable to find an inherited method for function ‘spTransform’ for signature ‘"sf", "CRS"’

  • 2
    You're mixing two generations of vector features packages. spTranform is for sp objects (the 'old' way). For sf objects you must use st_transform – Loïc Dutrieux Jan 2 at 22:36
  • AH. That did it. Many thanks. – webbe Jan 3 at 1:57

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