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ArcPro-Intersect issue

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12-22-2024 06:53 PM
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LaneDahl
Emerging Contributor

I am using intersect to join 4 different shapefiles. the four names of the shapefiles are Ownership, Disturbance, Sections, Respread. When I combine ownership and disturbance i check my acres at 5155 total acres. When i combine disturbance and sections i get 10,xyz. When i look into what caused this issue it shows that some areas are being counted more than once. So in the ownership/disturbance table i have one result for "Area 1" but when i look at disturbance and sections together i may have 2 or 3 results for "area 1".

 

I have my Acres/Ownership/Landuse in one shapefile, then i need to add sections and respread in that shapefile to have a complete file. i have the data just cant get it together. Maybe there is a better tool.

 

Something must be wrong with my section shapefile. Any help is appreciated 

LaneDahl_0-1734922335367.png

 

 

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1 Reply
DavidPike
MVP Notable Contributor

Depends on the shape of your polygons.  Would make sense if there's multiple regions of non continguous overlaps.

You can probably just clean up with a Dissolve https://pro.arcgis.com/en/pro-app/latest/tool-reference/data-management/dissolve.htm

against a common attribute (FID_MD ?) and keep in mind the single/multipart options.

Or Tabulate Intersection may be a better tool to use https://pro.arcgis.com/en/pro-app/latest/tool-reference/analysis/tabulate-intersection.htm

But not entirely sure what your end goal is.  Might be best to offer up the problem in its entirety (pictures are always helpful) and see if a better way can be found - as the multiple intersections might be quite complicated, error-prone and more difficult to reproduce if you have any later adjustments to your input data.

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