Simple Control Functions

These functions are used for working with simple conditional controls. More...

Functions
int	EN_addcontrol (EN_Project ph, int type, int linkIndex, double setting, int nodeIndex, double level, int *index)
	Adds a new simple control to a project. More...
int	EN_deletecontrol (EN_Project ph, int index)
	Deletes an existing simple control. More...
int	EN_getcontrol (EN_Project ph, int index, int *type, int *linkIndex, double *setting, int *nodeIndex, double *level)
	Retrieves the properties of a simple control. More...
int	EN_setcontrol (EN_Project ph, int index, int type, int linkIndex, double setting, int nodeIndex, double level)
	Sets the properties of an existing simple control. More...

Overview

These functions are used for working with simple conditional controls.

Function Documentation

EN_addcontrol()

int EN_addcontrol	(	EN_Project	ph,
		int	type,
		int	linkIndex,
		double	setting,
		int	nodeIndex,
		double	level,
		int *	index
	)

Adds a new simple control to a project.

Parameters

	ph	an EPANET project handle.
	type	the type of control to add (see EN_ControlType).
	linkIndex	the index of a link to control (starting from 1).
	setting	control setting applied to the link.
	nodeIndex	index of the node used to control the link (0 for EN_TIMER and EN_TIMEOFDAY controls).
	level	action level (tank level, junction pressure, or time in seconds) that triggers the control.
[out]	index	index of the new control.

Returns

an error code.

EN_deletecontrol()

int EN_deletecontrol	(	EN_Project	ph,
		int	index
	)

Deletes an existing simple control.

Parameters

ph	an EPANET project handle.
index	the index of the control to delete (starting from 1).

Returns

an error code.

EN_getcontrol()

int EN_getcontrol	(	EN_Project	ph,
		int	index,
		int *	type,
		int *	linkIndex,
		double *	setting,
		int *	nodeIndex,
		double *	level
	)

Retrieves the properties of a simple control.

Parameters

	ph	an EPANET project handle.
	index	the control's index (starting from 1).
[out]	type	the type of control (see EN_ControlType).
[out]	linkIndex	the index of the link being controlled.
[out]	setting	the control setting applied to the link.
[out]	nodeIndex	the index of the node used to trigger the control (0 for EN_TIMER and EN_TIMEOFDAY controls).
[out]	level	the action level (tank level, junction pressure, or time in seconds) that triggers the control.

Returns

an error code.

EN_setcontrol()

int EN_setcontrol	(	EN_Project	ph,
		int	index,
		int	type,
		int	linkIndex,
		double	setting,
		int	nodeIndex,
		double	level
	)

Sets the properties of an existing simple control.

Parameters

ph	an EPANET project handle.
index	the control's index (starting from 1).
type	the type of control (see EN_ControlType).
linkIndex	the index of the link being controlled.
setting	the control setting applied to the link.
nodeIndex	the index of the node used to trigger the control (0 for EN_TIMER and EN_TIMEOFDAY controls).
level	the action level (tank level, junction pressure, or time in seconds) that triggers the control.

Returns

an error code.