                 Changes in version 0.3.0 (2026-07-23)                  

fix

  - add check on data input
  - correct URLs
  - use mapsf current mapsf functions
  - simplify examples

                 Changes in version 0.2.0 (2022-07-04)                  

Minor changes

  - Change longlat arg default to FALSE in create_matrix()
  - Use mapsf instead of cartography in all examples
  - Use mapiso instead of isoband
  - In epquipotential "xcoords" and "ycoords" are not needed anymore
