quality Directory Reference

Directory dependency graph for quality:

Files
	SurfaceQuality2D.cpp
	S7 — see SurfaceQuality2D.hpp. The buildup / washoff / sweeping formulas are the subcatchment step's (SWMMEngine::stepSurfaceQuality, the A7 sweeping block, initialize 11b — and their BW-MSX transcription in quality/MsxSurfaceQuality.cpp), written in the 2D module's SI: cell area m², runoff in m/s, cell rows in concentration × m³. The land-use functions themselves are unit-free in "days" and "user mass per normalizer unit", so buildup on a cell with no flow is bit-identical to buildup on a subcatchment (gate 1).
	SurfaceQuality2D.hpp
	S7 (2026-09-19) — cell coverages, buildup, washoff and street sweeping on the 2D overland surface.