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1

ModelBuilder is all that you need. You have to loop through your layers with iterator (Iterate Rasters).


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It isn't possible to use more than one iterator in a ModelBuilder model. (Ref. A quick tour of using iterators for iteration, the first "Note" towards the end.) There are some ideas for getting around this limitation in Answers to this Question: Issue nesting two iterators for cost distance calculation (Model Builder)


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Personally I would try and use python in field calculator to achieve the desired result: accumulate( !HA! ) Pre logic script code: total = 0 previous = 0 def accumulate(increment): global previous global total if total: total = increment + previous previous = increment else: total = increment previous = increment return total


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You can delete all the excess fields using the 'delete field' tool. Within this tool you can easily select all the fields that you don't want to have, even if the table still needs to build through model builder.


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The solution is python using a cursor and dictionary to do the matching look-up and then output the result with an insert cursor to an empty feature class that has the same feature type and data structure as the original mineral lease with the additional Lease ID field from the table. The code to do the look-up is incredibly fast this way. Here is some ...



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