CatchmentHandler.cpp File Reference

Section handlers for [SUBCATCHMENTS], [SUBAREAS], and [RAINGAGES]. More...

#include "CatchmentHandler.hpp"
#include "../Tokenizer.hpp"
#include "../../core/SimulationContext.hpp"
#include "../../data/SubcatchData.hpp"
#include "../../data/GageData.hpp"
#include "../../core/charconv_compat.hpp"
#include <charconv>
#include <string>

Include dependency graph for CatchmentHandler.cpp:

Namespaces
namespace	openswmm
namespace	openswmm::input

Functions
void	openswmm::input::handle_subcatchments (SimulationContext &ctx, const std::vector< std::string > &lines)
	Parse [SUBCATCHMENTS] into SubcatchData + subcatch_names.
void	openswmm::input::handle_subareas (SimulationContext &ctx, const std::vector< std::string > &lines)
	Parse [SUBAREAS] — Manning's n + depression storage for each subcatch.
void	openswmm::input::handle_infiltration (SimulationContext &ctx, const std::vector< std::string > &lines)
	Parse [INFILTRATION] — Horton/Green-Ampt/CN params per subcatch.
void	openswmm::input::handle_raingages (SimulationContext &ctx, const std::vector< std::string > &lines)
	Parse [RAINGAGES] into GageData + gage_names.

Detailed Description

Section handlers for [SUBCATCHMENTS], [SUBAREAS], and [RAINGAGES].

[SUBCATCHMENTS] format

;; Name   Gage   Outlet   Area   %Imperv  Width  %Slope  CurbLen  SnowPack
S1        RG1    J1       10.0   50.0     100.0  0.5     0.0

[SUBAREAS] format

;; Subcatch  N-Imperv  N-Perv  S-Imperv  S-Perv  PctZero  RouteTo  PctRouted
S1           0.013     0.1     0.05      0.1     25       OUTLET

[RAINGAGES] format

;; Name   Format    Interval  SCF   Source
RG1       VOLUME    0:15      1.0   TIMESERIES RAIN1
RG2       VOLUME    0:15      1.0   FILE "rain.csv:EAST_GAGE"

See also

Legacy reference: src/solver/input.c — readSubcatch(), readGage()

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