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Union in Overlay Route Event gives an error

AnnaSamuel

I am attempting to do a union of two route event layers using the Overlay Route Events geoprocessing tool in ArcGIS Pro 3.0.3. The line to line union of the route event layers fail everytime with the error: 160277 the row contains a bad value.

Intersect option in this tool works but the union option fails everytime. I am using the route event layers which are stored in a file geodatabase.

Is anyone else facing this problem ? Any leads would be appreciated.

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Analysis

Geodatabase

Accepted answers

Ayan Palit

@AnnaSamuel Recommend the following checks, when using Overlay Route Events

The input and overlay events should be based on the same route reference.
If both the input and overlay event properties are type Line, the output event properties must also be defined as type Line
Ensure events have ObjectID and Location Error fields populated.
Review all records where 'Location Error' IS NOT 'No Error' . Fix or exclude erroneous records from the overlay.

All comments

DanielFox1

Hi @AnnaSamuel

A union calculates the geometric union of any number of feature classes and feature layers, but this has to ensure that the input feature layers are polygons. I have linked below some documentation on unions:

How Union works

Union (Analysis)

The intersect tool on the other hand must ensure that the input feature layers are either point, multipoint, line, or polygon. They cannot be complex features such as annotation features, dimension features, or network features.

Intersect (Analysis)

How Intersect works

Ayan Palit

@AnnaSamuel Recommend the following checks, when using Overlay Route Events

The input and overlay events should be based on the same route reference.
If both the input and overlay event properties are type Line, the output event properties must also be defined as type Line
Ensure events have ObjectID and Location Error fields populated.
Review all records where 'Location Error' IS NOT 'No Error' . Fix or exclude erroneous records from the overlay.

AnnaSamuel

Hi @AyanPalit ,

Thank you for your response.

I had ensured that the input and overlay events have the same route reference and the output event properties is set to type Line.

Will try testing with step 3.

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