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README.md

Travis-CI Build Status

graticule

Graticules are the longitude latitude lines shown on a projected map, and defining and drawing these lines is not easy to automate. The graticule package provides the tools to create and draw these lines by explicit specification by the user. This provides a good compromise between high-level automation and the flexibility to drive the low level details as needed, using base graphics in R.

Installation

Insall the latest released version from CRAN with

install.packages("graticule")

The development version of the graticule package is on GitHub, and can be installed like this:

devtools::install_github("mdsumner/graticule")

Known issues

There will be some ongoing disruption while transitioning to the sf package, please feel free to share your experiences and report problems at https://github.com/mdsumner/graticule/issues

  • general problems with segmentation, this is not done smartly yet
  • There's work needed for when graticule_labels() are created without using xline/yline, need more careful separation between generating every combination in the grid versus single lines