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I am using ArcGIS Pro.

I have 35 shapefiles of point data, with each layer representing a different year of data collection. Each layer has points with the same coordinates. I want to bring these layers together in order to export a single attribute table with the time series data.

Would a spatial join or a merge be the appropriate tool?

Is there a way to bring all 35 layers together at once?

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  • Is the year or date a column in the attribute table?
    – Dave X
    Nov 19, 2020 at 1:05
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    Trying Spatial Join or Merge is faster than getting an answer. Do you want duplicate points in each location or just one point with "35 attributes"
    – BERA
    Nov 19, 2020 at 8:55

2 Answers 2

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You can use the rotation and translation matrix to transfer every feature points to the first set.

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    – Community Bot
    Apr 1 at 21:38
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If there is a unique key in the attribute table for each location that is common across the shapefiles, the easiest way to merge these is to use the Add Join tool to join pairs of files using that key. If there is not a unique key, then a Spatial Join is appropriate. If the locations are truly identical, then setting Match Option to "Are identical to" should work. Otherwise, you may have to use "Closest." The Merge tool would not be appropriate because it simply combines all features from the input shapefiles into a single file, but does not alter/join those features.

You will need to loop over the shapefiles using ArcPy or an iterator in ModelBuilder to join all 35 files.

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