The Ten Commandments of GIS

Voted by GIS users

  1. Thou shalt save often
  2. Zip before you ship the shapefiles
  3. Thine date format shall be YYYYMMDD
  4. Thou shalt not mingle thy units, feet and meters, together
  5. Thou shalt back up your files
  6. Use a unique ID column for joins
  7. Honour thy project and define projection tools
  8. Use Geopackage
  9. Thyself is thine own master if you use open source
  10. Postal codes are great … if you are mailing a letter

Two of my favorites — “Never open the XLS file with Excel” and “Thursdays are pantless” — did not make the top ten. Such is life.

This is a snapshot of the vote as of 20210716T154422Z. The poll is still open. You can see the other candidates and the live results after submitting the form. Submit a blank form if you just want to see the results.