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7dfa6111bec012d86566b4df2183bb04edf89ad6
EPANET/include/epanet2.h
Marios Kyriakou 7dfa6111be Added reservoirs in EN_TANKCOUNT header comment 
EN_TANKCOUNT is for both tanks and reservoirs.
2016-08-08 12:26:14 +03:00

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/** @file epanet2.h
@see http://github.com/openwateranalytics/epanet
*/
/*
*******************************************************************
EPANET2.H - Prototypes for EPANET Functions Exported to DLL Toolkit
VERSION: 2.00
DATE: 5/8/00
10/25/00
3/1/01
8/15/07 (2.00.11)
2/14/08 (2.00.12)
AUTHORS: L. Rossman - US EPA - NRMRL
OpenWaterAnalytics members: see git stats for contributors
*******************************************************************
*/
#ifndef EPANET2_H
#define EPANET2_H
// the toolkit can be compiled with support for double-precision as well.
// just make sure that you use the correct #define in your client code.
#ifndef EN_API_FLOAT_TYPE
#define EN_API_FLOAT_TYPE float
#endif
// --- define WINDOWS
#undef WINDOWS
#ifdef _WIN32
#define WINDOWS
#endif
#ifdef __WIN32__
#define WINDOWS
#endif
// --- define DLLEXPORT
#ifndef DLLEXPORT
#ifdef WINDOWS
#ifdef __cplusplus
#define DLLEXPORT extern "C" __declspec(dllexport)
#else
#define DLLEXPORT __declspec(dllexport) __stdcall
#endif // __cplusplus
#elif defined(CYGWIN)
#define DLLEXPORT __stdcall
#elif defined(__APPLE__)
#ifdef __cplusplus
#define DLLEXPORT
#else
#define DLLEXPORT
#endif
#else
#define DLLEXPORT
#endif
#endif
// --- Define the EPANET toolkit constants
/// Node property codes
typedef enum {
EN_ELEVATION = 0, /**< Node Elevation */
EN_BASEDEMAND = 1, /**< Node Base Demand, from last demand category */
EN_PATTERN = 2, /**< Node Demand Pattern */
EN_EMITTER = 3, /**< Node Emitter Coefficient */
EN_INITQUAL = 4, /**< Node initial quality */
EN_SOURCEQUAL = 5, /**< Node source quality */
EN_SOURCEPAT = 6, /**< Node source pattern index */
EN_SOURCETYPE = 7, /**< Node source type */
EN_TANKLEVEL = 8, /**< Tank Level */
EN_DEMAND = 9, /**< Node current simulated demand */
EN_HEAD = 10, /**< Node Head value */
EN_PRESSURE = 11, /**< Node pressure value */
EN_QUALITY = 12, /**< Node quality value */
EN_SOURCEMASS = 13, /**< Node source mass value */
EN_INITVOLUME = 14, /**< Tank or Reservoir initial volume */
EN_MIXMODEL = 15, /**< Tank mixing model */
EN_MIXZONEVOL = 16, /**< Tank mixing zone volume */
EN_TANKDIAM = 17, /**< Tank diameter */
EN_MINVOLUME = 18, /**< Tank minimum volume */
EN_VOLCURVE = 19, /**< Tank volume curve index */
EN_MINLEVEL = 20, /**< Tank minimum level */
EN_MAXLEVEL = 21, /**< Tank maximum level */
EN_MIXFRACTION = 22, /**< Tank mixing fraction */
EN_TANK_KBULK = 23, /**< Tank bulk decay coefficient */
EN_TANKVOLUME = 24, /**< Tank current volume */
EN_MAXVOLUME = 25 /**< Tank maximum volume */
} EN_NodeProperty;
/// Link property codes
typedef enum {
EN_DIAMETER = 0,
EN_LENGTH = 1,
EN_ROUGHNESS = 2,
EN_MINORLOSS = 3,
EN_INITSTATUS = 4,
EN_INITSETTING = 5,
EN_KBULK = 6,
EN_KWALL = 7,
EN_FLOW = 8,
EN_VELOCITY = 9,
EN_HEADLOSS = 10,
EN_STATUS = 11,
EN_SETTING = 12,
EN_ENERGY = 13,
EN_LINKQUAL = 14,
EN_LINKPATTERN = 15
} EN_LinkProperty;
/// Time parameter codes
typedef enum {
EN_DURATION = 0,
EN_HYDSTEP = 1,
EN_QUALSTEP = 2,
EN_PATTERNSTEP = 3,
EN_PATTERNSTART = 4,
EN_REPORTSTEP = 5,
EN_REPORTSTART = 6,
EN_RULESTEP = 7,
EN_STATISTIC = 8,
EN_PERIODS = 9,
EN_STARTTIME = 10,
EN_HTIME = 11,
EN_QTIME = 12,
EN_HALTFLAG = 13,
EN_NEXTEVENT = 14
} EN_TimeProperty;
typedef enum {
EN_ITERATIONS = 0,
EN_RELATIVEERROR = 1
} EN_AnalysisStatistic;
typedef enum {
EN_NODECOUNT = 0, /**< Number of Nodes (Juntions + Tanks + Reservoirs) */
EN_TANKCOUNT = 1, /**< Number of Tanks and Reservoirs */
EN_LINKCOUNT = 2, /**< Number of Links (Pipes + Pumps + Valves) */
EN_PATCOUNT = 3, /**< Number of Time Patterns */
EN_CURVECOUNT = 4, /**< Number of Curves */
EN_CONTROLCOUNT = 5 /**< Number of Control Statements */
} EN_CountType;
typedef enum {
EN_JUNCTION = 0,
EN_RESERVOIR = 1,
EN_TANK = 2
} EN_NodeType;
typedef enum {
EN_CVPIPE = 0, /* Link types. */
EN_PIPE = 1, /* See LinkType in TYPES.H */
EN_PUMP = 2,
EN_PRV = 3,
EN_PSV = 4,
EN_PBV = 5,
EN_FCV = 6,
EN_TCV = 7,
EN_GPV = 8
} EN_LinkType;
typedef enum {
EN_NONE = 0, /* Quality analysis types. */
EN_CHEM = 1, /* See QualType in TYPES.H */
EN_AGE = 2,
EN_TRACE = 3
} EN_QualityType;
typedef enum {
EN_CONCEN = 0, /* Source quality types. */
EN_MASS = 1, /* See SourceType in TYPES.H. */
EN_SETPOINT = 2,
EN_FLOWPACED = 3
} EN_SourceType;
typedef enum {
EN_CFS = 0, /* Flow units types. */
EN_GPM = 1, /* See FlowUnitsType */
EN_MGD = 2, /* in TYPES.H. */
EN_IMGD = 3,
EN_AFD = 4,
EN_LPS = 5,
EN_LPM = 6,
EN_MLD = 7,
EN_CMH = 8,
EN_CMD = 9
} EN_FlowUnits;
/// Simulation Option codes
typedef enum {
EN_TRIALS = 0,
EN_ACCURACY = 1,
EN_TOLERANCE = 2,
EN_EMITEXPON = 3,
EN_DEMANDMULT = 4
} EN_Option;
typedef enum {
EN_LOWLEVEL = 0, /* Control types. */
EN_HILEVEL = 1, /* See ControlType */
EN_TIMER = 2, /* in TYPES.H. */
EN_TIMEOFDAY = 3
} EN_ControlType;
typedef enum {
EN_AVERAGE = 1, /* Time statistic types. */
EN_MINIMUM = 2, /* See TstatType in TYPES.H */
EN_MAXIMUM = 3,
EN_RANGE = 4
} EN_StatisticType;
typedef enum {
EN_MIX1 = 0, /* Tank mixing models */
EN_MIX2 = 1,
EN_FIFO = 2,
EN_LIFO = 3
} EN_MixingModel;
typedef enum {
EN_NOSAVE = 0,
EN_SAVE = 1,
EN_INITFLOW = 10,
EN_SAVE_AND_INIT = 11
} EN_SaveOption;
typedef enum {
EN_CONST_HP = 0, /* constant horsepower */
EN_POWER_FUNC = 1, /* power function */
EN_CUSTOM = 2 /* user-defined custom curve */
} EN_CurveType;
// --- Declare the EPANET toolkit functions
#if defined(__cplusplus)
extern "C" {
#endif
/**
@brief runs a complete EPANET simulation
@param inpFile pointer to name of input file (must exist)
@param rptFile pointer to name of report file (to be created)
@param binOutFile pointer to name of binary output file (to be created)
@param callback a callback function that takes a character string (char *) as its only parameter.
@return error code
The callback function should reside in and be used by the calling
code to display the progress messages that EPANET generates
as it carries out its computations. If this feature is not
needed then the argument should be NULL.
*/
int DLLEXPORT ENepanet(char *inpFile, char *rptFile, char *binOutFile, void (*callback) (char *));
/**
@brief Opens EPANET input file & reads in network data
@param inpFile pointer to name of input file (must exist)
@param rptFile pointer to name of report file (to be created)
@param binOutFile pointer to name of binary output file (to be created)
@return error code
*/
int DLLEXPORT ENopen(char *inpFile, char *rptFile, char *binOutFile);
/**
@brief Saves current data to "INP" formatted text file.
@param filename The file path to create
@return Error code
*/
int DLLEXPORT ENsaveinpfile(char *filename);
/**
@brief Frees all memory and files used by EPANET
@return Error code
*/
int DLLEXPORT ENclose();
/**
@brief Solves the network hydraulics for all time periods
@return Error code
*/
int DLLEXPORT ENsolveH();
/**
@brief Saves hydraulic results to binary file
@return Error code
Must be called before ENreport() if no WQ simulation has been made.
Should not be called if ENsolveQ() will be used.
*/
int DLLEXPORT ENsaveH();
/**
@brief Sets up data structures for hydraulic analysis
@return Error code
*/
int DLLEXPORT ENopenH();
/**
@brief Initializes hydraulic analysis
@param initFlag 2-digit flag where 1st (left) digit indicates if link flows should be re-initialized (1) or not (0), and 2nd digit indicates if hydraulic results should be saved to file (1) or not (0).
@return Error code
*/
int DLLEXPORT ENinitH(int initFlag);
/**
@brief Run a hydraulic solution period
@param[out] currentTime The current simulation time in seconds
@return Error or warning code
@see ENsolveH
This function is used in a loop with ENnextH() to run
an extended period hydraulic simulation.
See ENsolveH() for an example.
*/
int DLLEXPORT ENrunH(long *currentTime);
/**
@brief Determine time (in seconds) until next hydraulic event
@param[out] tStep Time (seconds) until next hydraulic event. 0 marks end of simulation period.
@return Error code
This function is used in a loop with ENrunH() to run an extended period hydraulic simulation.
See ENsolveH() for an example.
*/
int DLLEXPORT ENnextH(long *tStep);
/**
@brief Frees data allocated by hydraulics solver
@return Error code
*/
int DLLEXPORT ENcloseH();
/**
@brief Copies binary hydraulics file to disk
@param filename Name of file to be created
@return Error code
*/
int DLLEXPORT ENsavehydfile(char *filename);
/**
@brief Opens previously saved binary hydraulics file
@param filename Name of file to be used
@return Error code
*/
int DLLEXPORT ENusehydfile(char *filename);
/**
@brief Solves for network water quality in all time periods
@return Error code
*/
int DLLEXPORT ENsolveQ();
/**
@brief Sets up data structures for WQ analysis
@return Error code
*/
int DLLEXPORT ENopenQ();
/**
@brief Initializes water quality analysis
@param saveFlag EN_SAVE (1) if results saved to file, EN_NOSAVE (0) if not
@return Error code
*/
int DLLEXPORT ENinitQ(int saveFlag);
/**
@brief Retrieves hydraulic & WQ results at time t.
@param[out] currentTime Current simulation time, in seconds.
@return Error code
This function is used in a loop with ENnextQ() to run
an extended period WQ simulation. See ENsolveQ() for
an example.
*/
int DLLEXPORT ENrunQ(long *currentTime);
/**
@brief Advances WQ simulation to next hydraulic event.
@param[out] tStep Time in seconds until next hydraulic event. 0 marks end of simulation period.
@return Error code
This function is used in a loop with ENrunQ() to run
an extended period WQ simulation. See ENsolveQ() for
an example.
*/
int DLLEXPORT ENnextQ(long *tStep);
/**
@brief Advances WQ simulation by a single WQ time step
@param[out] timeLeft Time left in overall simulation (in seconds)
@return Error code
This function is used in a loop with ENrunQ() to run
an extended period WQ simulation.
*/
int DLLEXPORT ENstepQ(long *timeLeft);
/**
@brief Frees data allocated by water quality solver.
@return Error code.
*/
int DLLEXPORT ENcloseQ();
/**
@brief Writes line of text to the report file.
@param line Text string to write
@return Error code.
*/
int DLLEXPORT ENwriteline(char *line);
/**
@brief Writes simulation report to the report file
@return Error code
*/
int DLLEXPORT ENreport();
/**
@brief Resets report options to default values
@return Error code
*/
int DLLEXPORT ENresetreport();
/**
@brief Processes a reporting format command
@return Error code
*/
int DLLEXPORT ENsetreport(char *reportFormat);
/**
@brief Retrieves parameters that define a simple control
@param controlIndex Control index (position of control statement in the input file, starting from 1)
@param[out] controlType Control type code (see EPANET2.H)
@param[out] linkIndex Index of controlled link
@param[out] setting Control setting on link
@param[out] nodeIndex Index of controlling node (0 for TIMER or TIMEOFDAY control)
@param[out] level Control level (tank level, junction pressure, or time (seconds))
@return Error code
*/
int DLLEXPORT ENgetcontrol(int controlIndex, int *controlType, int *linkIndex, EN_API_FLOAT_TYPE *setting, int *nodeIndex, EN_API_FLOAT_TYPE *level);
/**
@brief Retrieves the number of components of a given type in the network.
@param code Component code (see EPANET2.H)
@param[out] count Number of components in network
@return Error code
*/
int DLLEXPORT ENgetcount(int code, int *count);
/**
@brief Gets value for an analysis option
@param code Option code (see EPANET2.H)
@param[out] value Option value
@return Error code
*/
int DLLEXPORT ENgetoption(int code, EN_API_FLOAT_TYPE *value);
/**
@brief Retrieves value of specific time parameter.
@param code Time parameter code
@param[out] value Value of time parameter.
@return Error code
*/
int DLLEXPORT ENgettimeparam(int code, long *value);
/**
@brief Retrieves the flow units code
@param[out] code Code of flow units in use
@return Error code
*/
int DLLEXPORT ENgetflowunits(int *code);
/**
@brief Retrieves the index of the time pattern with specified ID
@param id String ID of the time pattern
@param[out] index Index of the specified time pattern
@return Error code
@see ENgetpatternid
*/
int DLLEXPORT ENgetpatternindex(char *id, int *index);
/**
@brief Retrieves ID of a time pattern with specific index.
@param index The index of a time pattern.
@param[out] id The string ID of the time pattern.
@return Error code
@see ENgetpatternindex
*/
int DLLEXPORT ENgetpatternid(int index, char *id);
/**
@brief Retrieves the number of multipliers in a time pattern.
@param index The index of a time pattern.
@param[out] len The length of the time pattern.
@return Error code
*/
int DLLEXPORT ENgetpatternlen(int index, int *len);
/**
@brief Retrive a multiplier from a pattern for a specific time period.
@param index The index of a time pattern
@param period The pattern time period. First time period is 1.
@param[out] value Pattern multiplier
@return Error code
*/
int DLLEXPORT ENgetpatternvalue(int index, int period, EN_API_FLOAT_TYPE *value);
/**
@brief Retrieve the average multiplier value in a time pattern
@param index The index of a time pattern
@param[out] value The average of all of this time pattern's values
@return Error code
*/
int DLLEXPORT ENgetaveragepatternvalue(int index, EN_API_FLOAT_TYPE *value);
/**
@brief Retrieve the type of quality analytis to be run.
@param[out] qualcode The quality analysis code number.
@param[out] tracenode The index of node being traced, if qualcode == trace
@return Error code
@see ENsetqualtype
*/
int DLLEXPORT ENgetqualtype(int *qualcode, int *tracenode);
/**
@brief Get the text of an error code.
@param errcode The error code
@param[out] errmsg The error string represented by the code
@param maxLen The maximum number of characters to copy into the char pointer errmsg
@return Error code
*/
int DLLEXPORT ENgeterror(int errcode, char *errmsg, int maxLen);
/**
@brief Get hydraulic simulation statistic
@param code The type of statistic to get
@param[out] value The value of the statistic
@return Error code
*/
int DLLEXPORT ENgetstatistic(int code, EN_API_FLOAT_TYPE* value);
/**
@brief Get index of node with specified ID
@param id The string ID of the node
@param[out] index The node's index (first node is index 1)
@return Error code
@see ENgetnodeid
*/
int DLLEXPORT ENgetnodeindex(char *id, int *index);
/**
@brief Get the string ID of the specified node.
@param index The index of the node (first node is index 1)
@param[out] id The string ID of the specified node. Up to MAXID characters will be copied, so id must be pre-allocated by the calling code to hold at least that many characters.
@return Error code
@see ENgetnodeindex
*/
int DLLEXPORT ENgetnodeid(int index, char *id);
/**
@brief Get the type of node with specified index.
@param index The index of a node (first node is index 1)
@param[out] code The type code for the node.
@return Error code
*/
int DLLEXPORT ENgetnodetype(int index, int *code);
/**
@brief Get a property value for specified node
@param index The index of a node (first node is index 1).
@param code The property type code
@param[out] value The value of the node's property.
@return Error code
@see EN_NodeProperty
*/
int DLLEXPORT ENgetnodevalue(int index, int code, EN_API_FLOAT_TYPE *value);
/**
@brief Get coordinates (x,y) for a node.
@param index The index of a node (first node is index 1).
@param[out] x X-value of node's coordinate
@param[out] y Y-value of node's coordinate
@return Error code
@see ENsetcoord
*/
int DLLEXPORT ENgetcoord(int index, EN_API_FLOAT_TYPE *x, EN_API_FLOAT_TYPE *y);
/**
@brief Set coordinates (x,y) for a node.
@param index The index of a node (first node is index 1)
@param x X-value of node's coordinate
@param y Y-value of node's coordinate
@return Error code
@see ENgetcoord
*/
int DLLEXPORT ENsetcoord(int index, EN_API_FLOAT_TYPE x, EN_API_FLOAT_TYPE y);
/**
@brief Get the number of demand categories for a node.
@param nodeIndex The index of a node (first node is index 1)
@param[out] numDemands The number of demand categories
@return Error code
*/
int DLLEXPORT ENgetnumdemands(int nodeIndex, int *numDemands);
/**
@brief Get a node's base demand for a specified category.
@param nodeIndex The index of a node (first node is index 1)
@param demandIndex The index of the demand category (starting at 1)
@return Error code
*/
int DLLEXPORT ENgetbasedemand(int nodeIndex, int demandIndex, EN_API_FLOAT_TYPE *baseDemand);
/**
@brief Get the index of the demand pattern assigned to a node for a category index.
@param nodeIndex The index of a node (first node is index 1).
@param demandIndex The index of a category (first category is index 1).
@param[out] pattIndex The index of the pattern for this node and category.
@return Error code
*/
int DLLEXPORT ENgetdemandpattern(int nodeIndex, int demandIndex, int *pattIndex);
/**
@brief Get the index of a Link with specified ID.
@param id The string ID of a link.
@param[out] index The index of the named link (first link is index 1)
@return Error code
@see ENgetlinkid
*/
int DLLEXPORT ENgetlinkindex(char *id, int *index);
/**
@brief Get the string ID of a link with specified index
@param index The index of a link (first link is index 1)
@param[out] id The ID of the link. Up to MAXID characters will be copied, so id must be pre-allocated by the calling code to hold at least that many characters.
@return Error code
@see ENgetlinkindex
*/
int DLLEXPORT ENgetlinkid(int index, char *id);
/**
@brief Get the link type code for a specified link
@param index The index of a link (first link is index 1)
@param[out] code The type code of the link.
@return Error code
@see EN_LinkType
*/
int DLLEXPORT ENgetlinktype(int index, int *code);
/**
@brief Get the indexes of a link's start- and end-nodes.
@param index The index of a link (first link is index 1)
@param[out] node1 The index of the link's start node (first node is index 1).
@param[out] node2 The index of the link's end node (first node is index 1).
@return Error code
@see ENgetnodeid, ENgetlinkid
*/
int DLLEXPORT ENgetlinknodes(int index, int *node1, int *node2);
/**
@brief Get a property value for specified link.
@param index The index of a node (first node is index 1).
@param code The parameter desired.
@param[out] value The value of the link's specified property.
@return Error code
@see ENgetnodevalue, EN_LinkProperty
*/
int DLLEXPORT ENgetlinkvalue(int index, int code, EN_API_FLOAT_TYPE *value);
/**
@brief Get a curve's properties.
@param curveIndex The index of a curve (first curve is index 1).
@param[out] id The curve's string ID. Client code must preallocate at least MAXID characters.
@param[out] nValues The number of values in the curve's (x,y) list.
@param[out] xValues The curve's x-values. Must be freed by client.
@param[out] yValues The curve's y-values. Must be freed by client.
@return Error code.
*/
int DLLEXPORT ENgetcurve(int curveIndex, char* id, int *nValues, EN_API_FLOAT_TYPE **xValues, EN_API_FLOAT_TYPE **yValues);
/**
@brief Retrieves the curve index for a specified pump index.
@param pumpIndex The index of a pump
@param[out] curveIndex The index of the curve used by the pump.
@return Error code.
*/
int DLLEXPORT ENgetheadcurveindex(int pumpIndex, int *curveIndex);
/**
@brief Get the type of pump
@param linkIndex The index of the pump element
@param[out] outType The integer-typed pump curve type signifier (output parameter)
@return Error code
@see EN_CurveType
*/
int DLLEXPORT ENgetpumptype(int linkIndex, int *outType);
/**
@brief Get the version number. This number is to be interpreted with implied decimals, i.e., "20100" == "2(.)01(.)00"
@param[out] version The version of EPANET
@return Error code.
*/
int DLLEXPORT ENgetversion(int *version);
/**
@brief Specify parameters to define a simple control
@param cindex The index of the control to edit. First control is index 1.
@param ctype The type code to set for this control.
@param lindex The index of a link to control.
@param setting The control setting applied to the link.
@param nindex The index of a node used to control the link, or 0 for TIMER / TIMEOFDAY control.
@param level control point (tank level, junction pressure, or time in seconds).
@return Error code.
*/
int DLLEXPORT ENsetcontrol(int cindex, int ctype, int lindex, EN_API_FLOAT_TYPE setting, int nindex, EN_API_FLOAT_TYPE level);
/**
@brief Set a property value for a node.
@param index The index of a node. First node is index 1.
@param code The code for the proprty to set.
@param v The value to set for this node and property.
@return Error code.
@see EN_NodeProperty
*/
int DLLEXPORT ENsetnodevalue(int index, int code, EN_API_FLOAT_TYPE v);
/**
@brief Set a proprty value for a link.
@param index The index of a link. First link is index 1.
@param code The code for the property to set.
@param v The value to set for this link and property.
@return Error code.
@see EN_LinkProperty
*/
int DLLEXPORT ENsetlinkvalue(int index, int code, EN_API_FLOAT_TYPE v);
/**
@brief Add a new time pattern.
@param id The string ID of the pattern to add.
@return Error code.
@see ENgetpatternindex
*/
int DLLEXPORT ENaddpattern(char *id);
/**
@brief Set multipliers for a specific pattern
@param index The index of a pattern. First pattern is index 1.
@param f An array of multipliers
@param len The length of array f.
@return Error code.
@see ENgetpatternindex
*/
int DLLEXPORT ENsetpattern(int index, EN_API_FLOAT_TYPE *f, int len);
/**
@brief Set the multiplier for a specific pattern at a specific period.
@param index The index of a pattern. First pattern is index 1.
@param period The period of the pattern to set.
@param value The value of the multiplier to set.
@return Error code.
*/
int DLLEXPORT ENsetpatternvalue(int index, int period, EN_API_FLOAT_TYPE value);
/**
@brief Set the value for a time parameter.
@param code The code for the parameter to set.
@param value The desired value of the parameter.
@return Error code.
@see EN_TimeProperty
*/
int DLLEXPORT ENsettimeparam(int code, long value);
/**
@brief Set a value for an anlysis option.
@param code The code for the desired option.
@param v The desired value for the option specified.
@return Error code.
@see EN_Option
*/
int DLLEXPORT ENsetoption(int code, EN_API_FLOAT_TYPE v);
/**
@brief Sets the level of hydraulic status reporting.
@param code Status reporting code.
@return Error code.
*/
int DLLEXPORT ENsetstatusreport(int code);
/**
@brief Sets type of quality analysis called for
@param qualcode WQ parameter code, EN_QualityType
@param chemname Name of WQ constituent
@param chemunits Concentration units of WQ constituent
@param tracenode ID of node being traced (if applicable)
@return Error code.
@see EN_QualityType
chemname and chemunits only apply when WQ analysis is for chemical. tracenode only applies when WQ analysis is source tracing.
*/
int DLLEXPORT ENsetqualtype(int qualcode, char *chemname, char *chemunits, char *tracenode);
/**
@brief Get quality analysis information (type, chemical name, units, trace node ID)
@param[out] qualcode The EN_QualityType code being used.
@param[out] chemname The name of the WQ constituent.
@param[out] chemunits The cencentration units of the WQ constituent.
@param[out] tracenode The trace node ID.
@return Error code.
@see EN_QualityType
*/
int DLLEXPORT ENgetqualinfo(int *qualcode, char *chemname, char *chemunits, int *tracenode);
/**
@brief Sets the node's base demand for a category.
@param nodeIndex The index of a node.
@param demandIdx The index of a demand category.
@param baseDemand The base demand multiplier for the selected category.
@return Error code.
@see ENgetbasedemand
*/
int DLLEXPORT ENsetbasedemand(int nodeIndex, int demandIdx, EN_API_FLOAT_TYPE baseDemand);
/**
@brief Retrieves index of curve with specific ID.
@param id The ID of a curve.
@param[out] index The index of the named curve
@return Error code.
@see ENgetcurveid
*/
int DLLEXPORT ENgetcurveindex(char *id, int *index);
/**
@brief Retrieves ID of a curve with specific index.
@param index The index of a curve.
@param[out] id The ID of the curve specified.
@return Error code.
@see ENsetcurveindex
NOTE: 'id' must be able to hold MAXID characters
*/
int DLLEXPORT ENgetcurveid(int index, char *id);
/**
@brief Retrieves number of points in a curve
@param index The index of a curve.
@param[out] len The length of the curve coordinate list
@return Error code.
@see ENgetcurvevalue
*/
int DLLEXPORT ENgetcurvelen(int index, int *len);
/**
@brief retrieves x,y point for a specific point number and curve
@param curveIndex The index of a curve
@param pointIndex The index of a point in the curve
@param[out] x The x-value of the specified point.
@param[out] y The y-value of the specified point.
@return Error code.
@see ENgetcurvelen ENsetcurvevalue
*/
int DLLEXPORT ENgetcurvevalue(int curveIndex, int pointIndex, EN_API_FLOAT_TYPE *x, EN_API_FLOAT_TYPE *y);
/**
@brief Sets x,y point for a specific point and curve.
@param curveIndex The index of a curve.
@param pointIndex The index of a point in the curve.
@param x The x-value of the point.
@param y The y-value of the point.
@return Error code.
*/
int DLLEXPORT ENsetcurvevalue(int curveIndex, int pointIndex, EN_API_FLOAT_TYPE x, EN_API_FLOAT_TYPE y);
/**
@brief Sets x,y values for a specified curve.
@param index The index of a curve.
@param x An array of x-values for the curve.
@param y An array of y-values for the curve.
@param len The length of the arrays x and y.
@return Error code.
*/
int DLLEXPORT ENsetcurve(int index, EN_API_FLOAT_TYPE *x, EN_API_FLOAT_TYPE *y, int len);
/**
@brief Adds a new curve appended to the end of the existing curves.
@param id The name of the curve to be added.
@return Error code.
@see ENgetcurveindex ENsetcurve
*/
int DLLEXPORT ENaddcurve(char *id);
#if defined(__cplusplus)
}
#endif
#endif //EPANET2_H
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