globals.h File Reference

Shared global state of the legacy SWMM engine. More...

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Variables
EXTERN TFile	Finp
EXTERN TFile	Fout
EXTERN TFile	Frpt
EXTERN TFile	Fclimate
EXTERN TFile	Frain
EXTERN TFile	Frunoff
EXTERN TFile	Frdii
EXTERN TFile	FhotstartInput
EXTERN TFile *	FhotstartOutputs
EXTERN TFile	Finflows
EXTERN TFile	Foutflows
EXTERN long	Nperiods
EXTERN long	TotalStepCount
EXTERN long	ReportStepCount
EXTERN long	NonConvergeCount
EXTERN char	Msg [MAXMSG+1]
EXTERN char	ErrorMsg [MAXMSG+1]
EXTERN char	Title [MAXTITLE][MAXMSG+1]
EXTERN char	TempDir [MAXFNAME+1]
EXTERN char	InpDir [MAXFNAME+1]
EXTERN TRptFlags	RptFlags
EXTERN int	Nobjects [MAX_OBJ_TYPES]
EXTERN int	Nnodes [MAX_NODE_TYPES]
EXTERN int	Nlinks [MAX_LINK_TYPES]
EXTERN int	UnitSystem
EXTERN int	FlowUnits
EXTERN int	InfilModel
EXTERN int	RouteModel
EXTERN int	ForceMainEqn
EXTERN int	LinkOffsets
EXTERN int	SurchargeMethod
EXTERN int	ZeroOutfallBackflowQual
EXTERN int	AllowPonding
EXTERN int	InertDamping
EXTERN int	NormalFlowLtd
EXTERN int	SlopeWeighting
EXTERN int	Compatibility
EXTERN int	SkipSteadyState
EXTERN int	IgnoreRainfall
EXTERN int	IgnoreRDII
EXTERN int	IgnoreSnowmelt
EXTERN int	IgnoreGwater
EXTERN int	IgnoreRouting
EXTERN int	IgnoreQuality
EXTERN int	ErrorCode
EXTERN int	Warnings
EXTERN int	WetStep
EXTERN int	DryStep
EXTERN int	ReportStep
EXTERN int	RuleStep
EXTERN int	SweepStart
EXTERN int	SweepEnd
EXTERN int	MaxTrials
EXTERN int	NumThreads
EXTERN int	NumEvents
EXTERN double	RouteStep
EXTERN double	MinRouteStep
EXTERN double	LengtheningStep
EXTERN double	StartDryDays
EXTERN double	CourantFactor
EXTERN double	MinSurfArea
EXTERN double	MinSlope
EXTERN double	RunoffError
EXTERN double	GwaterError
EXTERN double	FlowError
EXTERN double	QualError
EXTERN double	HeadTol
EXTERN double	SysFlowTol
EXTERN double	LatFlowTol
EXTERN double	CrownCutoff
EXTERN DateTime	StartDate
EXTERN DateTime	StartTime
EXTERN DateTime	StartDateTime
EXTERN DateTime	EndDate
EXTERN DateTime	EndTime
EXTERN DateTime	EndDateTime
EXTERN DateTime	ReportStartDate
EXTERN DateTime	ReportStartTime
EXTERN DateTime	ReportStart
EXTERN double	ReportTime
EXTERN double	OldRunoffTime
EXTERN double	NewRunoffTime
EXTERN double	OldRoutingTime
EXTERN double	NewRoutingTime
EXTERN double	TotalDuration
EXTERN double	ElapsedTime
EXTERN TTemp	Temp
EXTERN TEvap	Evap
EXTERN TWind	Wind
EXTERN TSnow	Snow
EXTERN TAdjust	Adjust
EXTERN TSnowmelt *	Snowmelt
EXTERN TGage *	Gage
EXTERN TSubcatch *	Subcatch
EXTERN TAquifer *	Aquifer
EXTERN TUnitHyd *	UnitHyd
EXTERN TNode *	Node
EXTERN TOutfall *	Outfall
EXTERN TDivider *	Divider
EXTERN TStorage *	Storage
EXTERN TLink *	Link
EXTERN TConduit *	Conduit
EXTERN TPump *	Pump
EXTERN TOrifice *	Orifice
EXTERN TWeir *	Weir
EXTERN TOutlet *	Outlet
EXTERN TPollut *	Pollut
EXTERN TLanduse *	Landuse
EXTERN TPattern *	Pattern
EXTERN TTable *	Curve
EXTERN TTable *	Tseries
EXTERN TTransect *	Transect
EXTERN TStreet *	Street
EXTERN TShape *	Shape
EXTERN TEvent *	Event
EXTERN void(*	WarningCallback )(const char *message, void *userData)
EXTERN void *	WarningCallbackData

Detailed Description

Shared global state of the legacy SWMM engine.

Author

Caleb Buahin caleb.nosp@m..bua.nosp@m.hin@g.nosp@m.mail.nosp@m..com (OpenSWMM maintenance and extensions)

Copyright

Copyright (c) 2026 Caleb Buahin. OpenSWMM contributions only; original EPA SWMM credits are retained.

License

Apache-2.0 for OpenSWMM contributions; original EPA SWMM provenance is retained.

Variable Documentation

Adjust

EXTERN TAdjust Adjust

AllowPonding

EXTERN int AllowPonding

Aquifer

EXTERN TAquifer* Aquifer

Compatibility

EXTERN int Compatibility

Conduit

EXTERN TConduit* Conduit

CourantFactor

EXTERN double CourantFactor

CrownCutoff

EXTERN double CrownCutoff

Curve

EXTERN TTable* Curve

Divider

EXTERN TDivider* Divider

DryStep

EXTERN int DryStep

ElapsedTime

EXTERN double ElapsedTime

EndDate

EXTERN DateTime EndDate

EndDateTime

EXTERN DateTime EndDateTime

EndTime

EXTERN DateTime EndTime

ErrorCode

EXTERN int ErrorCode

ErrorMsg

EXTERN char ErrorMsg[MAXMSG+1]

Evap

EXTERN TEvap Evap

Event

EXTERN TEvent* Event

Fclimate

EXTERN TFile Fclimate

FhotstartInput

EXTERN TFile FhotstartInput

FhotstartOutputs

EXTERN TFile * FhotstartOutputs

Finflows

EXTERN TFile Finflows

Finp

EXTERN TFile Finp

FlowError

EXTERN double FlowError

FlowUnits

EXTERN int FlowUnits

ForceMainEqn

EXTERN int ForceMainEqn

Fout

EXTERN TFile Fout

Foutflows

EXTERN TFile Foutflows

Frain

EXTERN TFile Frain

Frdii

EXTERN TFile Frdii

Frpt

EXTERN TFile Frpt

Frunoff

EXTERN TFile Frunoff

Gage

EXTERN TGage* Gage

GwaterError

EXTERN double GwaterError

HeadTol

EXTERN double HeadTol

IgnoreGwater

EXTERN int IgnoreGwater

IgnoreQuality

EXTERN int IgnoreQuality

IgnoreRainfall

EXTERN int IgnoreRainfall

IgnoreRDII

EXTERN int IgnoreRDII

IgnoreRouting

EXTERN int IgnoreRouting

IgnoreSnowmelt

EXTERN int IgnoreSnowmelt

InertDamping

EXTERN int InertDamping

InfilModel

EXTERN int InfilModel

InpDir

EXTERN char InpDir[MAXFNAME+1]

Landuse

EXTERN TLanduse* Landuse

LatFlowTol

EXTERN double LatFlowTol

LengtheningStep

EXTERN double LengtheningStep

Link

EXTERN TLink* Link

LinkOffsets

EXTERN int LinkOffsets

MaxTrials

EXTERN int MaxTrials

MinRouteStep

EXTERN double MinRouteStep

MinSlope

EXTERN double MinSlope

MinSurfArea

EXTERN double MinSurfArea

Msg

EXTERN char Msg[MAXMSG+1]

NewRoutingTime

EXTERN double NewRoutingTime

NewRunoffTime

EXTERN double NewRunoffTime

Nlinks

EXTERN int Nlinks[MAX_LINK_TYPES]

Nnodes

EXTERN int Nnodes[MAX_NODE_TYPES]

Nobjects

EXTERN int Nobjects[MAX_OBJ_TYPES]

Node

EXTERN TNode* Node

NonConvergeCount

EXTERN long NonConvergeCount

NormalFlowLtd

EXTERN int NormalFlowLtd

Nperiods

EXTERN long Nperiods

NumEvents

EXTERN int NumEvents

NumThreads

EXTERN int NumThreads

OldRoutingTime

EXTERN double OldRoutingTime

OldRunoffTime

EXTERN double OldRunoffTime

Orifice

EXTERN TOrifice* Orifice

Outfall

EXTERN TOutfall* Outfall

Outlet

EXTERN TOutlet* Outlet

Pattern

EXTERN TPattern* Pattern

Pollut

EXTERN TPollut* Pollut

Pump

EXTERN TPump* Pump

QualError

EXTERN double QualError

ReportStart

EXTERN DateTime ReportStart

ReportStartDate

EXTERN DateTime ReportStartDate

ReportStartTime

EXTERN DateTime ReportStartTime

ReportStep

EXTERN int ReportStep

ReportStepCount

EXTERN long ReportStepCount

ReportTime

EXTERN double ReportTime

RouteModel

EXTERN int RouteModel

RouteStep

EXTERN double RouteStep

RptFlags

EXTERN TRptFlags RptFlags

RuleStep

EXTERN int RuleStep

RunoffError

EXTERN double RunoffError

Shape

EXTERN TShape* Shape

SkipSteadyState

EXTERN int SkipSteadyState

SlopeWeighting

EXTERN int SlopeWeighting

Snow

EXTERN TSnow Snow

Snowmelt

EXTERN TSnowmelt* Snowmelt

StartDate

EXTERN DateTime StartDate

StartDateTime

EXTERN DateTime StartDateTime

StartDryDays

EXTERN double StartDryDays

StartTime

EXTERN DateTime StartTime

Storage

EXTERN TStorage* Storage

Street

EXTERN TStreet* Street

Subcatch

EXTERN TSubcatch* Subcatch

SurchargeMethod

EXTERN int SurchargeMethod

SweepEnd

EXTERN int SweepEnd

SweepStart

EXTERN int SweepStart

SysFlowTol

EXTERN double SysFlowTol

Temp

EXTERN TTemp Temp

TempDir

EXTERN char TempDir[MAXFNAME+1]

Title

EXTERN char Title[MAXTITLE][MAXMSG+1]

TotalDuration

EXTERN double TotalDuration

TotalStepCount

EXTERN long TotalStepCount

Transect

EXTERN TTransect* Transect

Tseries

EXTERN TTable* Tseries

UnitHyd

EXTERN TUnitHyd* UnitHyd

UnitSystem

EXTERN int UnitSystem

WarningCallback

EXTERN void(* WarningCallback) (const char *message, void *userData)	(	const char *	message,
		void *	userData )

WarningCallbackData

EXTERN void* WarningCallbackData

Warnings

EXTERN int Warnings

Weir

EXTERN TWeir* Weir

WetStep

EXTERN int WetStep

Wind

EXTERN TWind Wind

ZeroOutfallBackflowQual

EXTERN int ZeroOutfallBackflowQual