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Help getting started with automated selection process

Question asked by michael.pickens_mymacys on Mar 13, 2019

So I want to be able to do the following:


  1. Click on a map to create a point.
  2. Then using  my tracts file that has my data I want it to start to systematically start selecting traces based on the following:
    1. Start with the closest tract.
    2. Then select tracts one by one (always going to the next non selected tract) summing up the [market share] column until Marketshare is > 70%
    3. Make sure it does not have any holes in it.


How would someone get started doing this.  Some of you may recogonize I am looking at creating some trade areas.  What geoprocessing tools might be helpful in accomplishing this?