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Leon Hellberg SWMM Macros

Leon Hellberg has written some code to provide interoperability between SWMM, Autocad Civil 3D, and Excel. These are undocumented and - as Leon points out - not for the "uninitiated", but he has graciously provided these files/macros for you to use!

- Creating AutoCAD entities from a SWMM .inp file (nodes, conduits and subcatchments)
- Retrieving elevations from a Civil 3D DTM and calculating subcatchment slopes

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