I'd like to add a column, or attribute rather, to selected rows within a polygon layer. I would simply like to make a binary system, where those that are selected receive a "1,' let's say, and all others are represented by a "0." How can I do this?

1 Answer 1


Nevermind- using edit > field calculator > and entering a value for only selected features should do the trick! I can replace NULL values using field calculator from there.

  • Is this a question? Or did you answer your own question? Commented May 20, 2014 at 19:23
  • It was a question, and then yes, I answered it myself. Whoops- should have done some more investigation before posting. Apologies!
    – Alex
    Commented May 21, 2014 at 20:07
  • No problem. I wasn't sure if you needed any more help ;-) Commented May 21, 2014 at 20:31

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