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Autodesk
Status For Review
Product InfoWorks ICM
Categories Hydrology
Created by Tom Walker
Created on Dec 17, 2025

Change subcatchment slope field to calculate correctly if non-numeric value used in Link Suffix.

When using InfoWorks ICM, if a network has a non-numeric link suffix in a conduit, the associated subcatchment slope field will not calculate. This results in a flat slope field and will affect run-off in simulations. Its not mentioned in the guidance/support (or could be anticipated by users) that using non numeric link suffix would result in this output. Please can ICM be amended to use a slope from conduit whatever the suffix?

This tends to affect users if they import networks direct from InfoAsset which uses a non-numeric suffix by default. Surely sister applications from same vendor should work seamlessly without users having to be aware of this issue?

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