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I would like to create an iterated interpolation tool through ModelBuilder. I have an excel file containing different columns and each column represents a data that will be interpolated using Spline Tool. How can I do this through ModelBuilder? I am using ArcGIS 10.

enter image description here

Image contains point data with lat/long and sample# are the columns to be interpolated.

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The following model will achieve what you require:

Iterate over fields

  • Your screen shot shows fields SAMPLE 1 to 9 so set the For iterator to this.
  • Convert your lat/long into an event layer which feeds into the Spline tool. Note the use of in-line substitution to create the field name that will be the Z field. The same is used to create unique output raster names.
  • Hi, Hornbydd: May I know where is the connecting arrow between "FOR" and "Sheet1$ event"? – user2543 Apr 12 '14 at 8:50
  • There is no connection, the iterator controls the whole model and is generating a variable called value which you use inline substitution to make use of it. – Hornbydd Apr 12 '14 at 12:32
  • Hi, Hornbydd: I tried the model you posted and I got similar range of values from SAMPLE1.tif to SAMPLE9.tif. I am not sure what went wrong. – user2543 Apr 14 '14 at 8:01
  • Did you ensure you Z value field was set to: SAMPLE%Value% – Hornbydd Apr 14 '14 at 8:42

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