1

I have a feature class containing 380 polygons representing sedimentary basins and another polygon feature class representing oil discoveries within said basins. My plan is to:

  • Iterate through all basins and select all fields that fall within them.
  • Reverse sort by a oil recoverable volume attribute (largest to smallest).
  • Sub-select the first 5 rows of the selection and export this to a feature class (other rows will be appended).

The first two steps I think I am ok with however, I'm stuck on how I would go about creating the sub-set where the first 5 rows are selected and then exported. If there are <5 rows, all will be selected, if there are 0 rows they will be ignored.

How, using ArcGIS Desktop 10.2, can I achieve the goal of selecting the first 5 rows of a selection?

The da.SearchCursor can be used to sort but not sure after that.

closed as off-topic by PolyGeo Nov 24 '18 at 22:46

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3

Not seeing your code, this may not work for you, but you can try to use the Python list selector:

for row in sorted(arcpy.da.SearchCursor(fc, [f1, f2]))[:5]

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