New Engine C API

Collaboration diagram for New Engine C API:

Modules
	Runtime Forcing API

Files
file	openswmm_controls_impl.cpp
	C API implementation — control rules and direct link control actions.
file	openswmm_engine_impl.cpp
	C API implementation — engine lifecycle, callbacks, errors, timing.
file	openswmm_forcing_impl.cpp
	C API implementation — runtime forcing with mass-balance tracking.
file	openswmm_gages_impl.cpp
	C API implementation — rain gage identity, creation, properties, state, bulk.
file	openswmm_inflows_impl.cpp
	C API implementation — external inflows, DWF, RDII.
file	openswmm_infrastructure_impl.cpp
	C API implementation — transects, streets, inlets, LID controls, LID usage.
file	openswmm_links_impl.cpp
	C API implementation — link identity, creation, properties, state, bulk.
file	openswmm_massbalance_impl.cpp
	C API implementation — continuity errors and flux totals.
file	openswmm_model_impl.cpp
	C API implementation — model building, options, user flags, CRS.
file	openswmm_nodes_impl.cpp
	C API implementation — node identity, creation, properties, state, bulk.
file	openswmm_pollutants_impl.cpp
	C API implementation — pollutant identity, creation, properties, quality injection.
file	openswmm_quality_impl.cpp
	C API implementation — landuse, buildup, washoff, treatment.
file	openswmm_spatial_impl.cpp
	C API implementation — spatial frame: CRS, coordinates, vertices, polygons.
file	openswmm_statistics_impl.cpp
	C API implementation — node, link, subcatchment statistics queries.
file	openswmm_subcatchments_impl.cpp
	C API implementation — subcatchment identity, creation, properties, state, bulk.
file	openswmm_tables_impl.cpp
	C API implementation — tables (time series, curves) and patterns.
file	openswmm_callbacks.h
	Callback function typedefs for the OpenSWMM Engine C API.
file	openswmm_controls.h
	OpenSWMM Engine — Control Rules C API.
file	openswmm_gages.h
	OpenSWMM Engine — Rain Gage C API.
file	openswmm_inflows.h
	OpenSWMM Engine — Inflows (External, DWF, RDII) C API.
file	openswmm_infrastructure.h
	OpenSWMM Engine — Infrastructure (Transects, Streets, Inlets, LIDs) C API.
file	openswmm_links.h
	OpenSWMM Engine — Link (conduit/pump/orifice/weir/outlet) C API.
file	openswmm_massbalance.h
	OpenSWMM Engine — Mass Balance / Continuity C API.
file	openswmm_model.h
	OpenSWMM Engine — Model building and options C API.
file	openswmm_nodes.h
	OpenSWMM Engine — Node C API.
file	openswmm_output.h
	OpenSWMM Engine — Output File Reader C API.
file	openswmm_pollutants.h
	OpenSWMM Engine — Pollutant / Water Quality C API.
file	openswmm_quality.h
	OpenSWMM Engine — Water Quality (Landuse / Buildup / Washoff / Treatment) C API.
file	openswmm_spatial.h
	OpenSWMM Engine — Spatial Frame C API.
file	openswmm_statistics.h
	OpenSWMM Engine — Statistics Query C API.
file	openswmm_subcatchments.h
	OpenSWMM Engine — Subcatchment C API.
file	openswmm_tables.h
	OpenSWMM Engine — Tables (Time Series & Curves) and Patterns C API.

Detailed Description

Author

Caleb Buahin caleb.nosp@m..bua.nosp@m.hin@g.nosp@m.mail.nosp@m..com

Copyright

Copyright (c) 2026 HydroCouple. All rights reserved.

License\n MIT License