@techreport{murrell-offset-2022,
  title="Offsetting Lines and Polygons in 'grid'",
  author = {Jack Wong and Paul Murrell},
  year={2022},
  note={version 1},
  institution={Department of Statistics, The University of Auckland},
  number={2022-03},
  url={https://stattech.blogs.auckland.ac.nz/2022/12/14/2022-03-offsetting-lines-and-polygons-in-grid},
  doi={10.17608/k6.auckland.21720998}
}