PettiforFeedingTimeCurveClass Class Reference

A curve for feeding time derived from Pettifor et al (2000). Journal of Applied Ecology 37: 103-135. More...

#include <CurveClasses.h>

Inheritance diagram for PettiforFeedingTimeCurveClass:

Public Member Functions
	PettiforFeedingTimeCurveClass (double a_A, double a_B, double a_C, bool a_reversecurve, double a_MaxX, double a_MinX, const char *a_name)
virtual	~PettiforFeedingTimeCurveClass ()
Public Member Functions inherited from CurveClass
	CurveClass (bool a_reversecurve, double a_MaxX, double a_MinX, const char *a_name)
virtual	~CurveClass ()
virtual double	GetY (double a_X)
virtual void	WriteDataFile (int a_step)

Protected Member Functions
virtual double	DoCalc (double a_x)
	The specific calulation of y for a given x. More...
Protected Member Functions inherited from CurveClass
virtual void	CalculateCurveValues ()
	fills in the curve for 10,000 values from MinX to MaxX More...

Protected Attributes
double	m_parameterA
	Parameter A is the maximum feeding time. More...
double	m_parameterB
	Parameter B is the minimum feeding time. More...
double	m_parameterC
	Parameter C is the threshold floksize above which feeding time remains at maximum. More...
Protected Attributes inherited from CurveClass
double	m_parameterMaxX
	A parameter for a the maximum value of X we consider. More...
double	m_parameterMinX
	A parameter for a the minimum value of X we consider. More...
double	m_step
	The size of each step on the X-axis. More...
double	m_step_inv
	The inverse of m_step. More...
double *	m_values
	The values of y we store for each X. More...
string	m_name
	A scaler for the x-values. More...
bool	m_reversecurve
	If true the values fall from 1 to zero, otherwise its zero to 1. More...

Detailed Description

A curve for feeding time derived from Pettifor et al (2000). Journal of Applied Ecology 37: 103-135.

Constructor & Destructor Documentation

PettiforFeedingTimeCurveClass()

PettiforFeedingTimeCurveClass::PettiforFeedingTimeCurveClass	(	double	a_A,
		double	a_B,
		double	a_C,
		bool	a_reversecurve,
		double	a_MaxX,
		double	a_MinX,
		const char *	a_name
	)

    : CurveClass(a_reversecurve, a_MaxX, a_MinX, a_name) {
    m_parameterA = a_A;  // Max feeding time
    m_parameterB = a_B;  // Min feeding time
    m_parameterC = a_C;  // Flock size threshold
    CalculateCurveValues();
}

References CurveClass::CalculateCurveValues(), m_parameterA, m_parameterB, and m_parameterC.

~PettiforFeedingTimeCurveClass()

PettiforFeedingTimeCurveClass::~PettiforFeedingTimeCurveClass ( )

virtual

                                                              {
    ;
}

Member Function Documentation

DoCalc()

double PettiforFeedingTimeCurveClass::DoCalc ( double  a_x )

protectedvirtual

The specific calulation of y for a given x.

Reimplemented from CurveClass.

                                                       {
    if (a_x >= m_parameterC) return m_parameterA;
    else return m_parameterB + a_x * ((m_parameterA - m_parameterB) / m_parameterC);
}

References m_parameterA, m_parameterB, and m_parameterC.

Member Data Documentation

m_parameterA

double PettiforFeedingTimeCurveClass::m_parameterA

protected

Parameter A is the maximum feeding time.

Referenced by DoCalc(), and PettiforFeedingTimeCurveClass().

m_parameterB

double PettiforFeedingTimeCurveClass::m_parameterB

protected

Parameter B is the minimum feeding time.

Referenced by DoCalc(), and PettiforFeedingTimeCurveClass().

m_parameterC

double PettiforFeedingTimeCurveClass::m_parameterC

protected

Parameter C is the threshold floksize above which feeding time remains at maximum.

Referenced by DoCalc(), and PettiforFeedingTimeCurveClass().

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The documentation for this class was generated from the following files:

• /builds/ALMaSS/ALMaSS_MIDox/BatchALMaSS/CurveClasses.h
• /builds/ALMaSS/ALMaSS_MIDox/BatchALMaSS/CurveClasses.cpp