When Hyperbolic Geometry Meets Urban Drainage: Making Beautiful Subcatchments for SWMM5

January 9, 2026 / SWMM5

When Hyperbolic Geometry Meets Urban Drainage: Making Beautiful Subcatchments

I've been exploring an unusual intersection: hyperbolic geometry and hydrological modeling. The result is a web-based tool that generates subcatchment tessellations for EPA SWMM5 using Möbius transformations on the Poincaré disc. It looks visually interesting, the exported work as test models … Read the rest

SWMM5

Strange Attractors SWMM5 Generator

January 8, 2026 / SWMM5

The problem with using 50 year old simple models or even test models that started out as real models as we did in the SWMM5 redevelopment project are they are too nice for the most (with exceptions). This app uses strange attractors to make complex visually interesting models that look … Read the rest