direction of flow symbology referencing attributes

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02-19-2020 09:19 AM
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New Contributor

I would like to display the direction of flow of a sewer line using symbology, referencing two separate attributes; upstream and downstream manholes. Any ideas?

I am creating base maps for sanitary sewer assessment projects. I am working with 2 separate shape files; point feature class for manholes and line feature class for pipes. The pipe attribute table contains 2 separate columns of data for upstream and downstream manhole IDs. 

Any ideas?

Thanks

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by Esri Contributor
Esri Contributor

Usually when pipes are drawn, they are digitized from start to finish/beginning to end/upstream to downstream. ArcGIS knows where the start and end of the pipe is, so you might be able to apply one of the arrow symbol styles if the pipes were created that way.

Someone else asked for something similar in this GeoNet. There are some screenshots and advice to get the desired symbology you're looking for. If the lines were digitized in random directions, you would probably need to do look into Attribute Driven Symbology.

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New Contributor

OK. Thanks for the suggestion.

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