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Dokumentacja klasy QCPCurveData

Holds the data of one single data point for QCPCurve. Więcej...

#include <qcustomplot.h>

Metody publiczne

 QCPCurveData ()
 
 QCPCurveData (double t, double key, double value)
 
double sortKey () const
 
double mainKey () const
 
double mainValue () const
 
QCPRange valueRange () const
 

Statyczne metody publiczne

static QCPCurveData fromSortKey (double sortKey)
 
static bool sortKeyIsMainKey ()
 

Atrybuty publiczne

double t
 
double key
 
double value
 

Opis szczegółowy

Holds the data of one single data point for QCPCurve.

The stored data is:

  • t: the free ordering parameter of this curve point, like in the mathematical vector (x(t), y(t)). (This is the sortKey)
  • key: coordinate on the key axis of this curve point (this is the mainKey)
  • value: coordinate on the value axis of this curve point (this is the mainValue)

The container for storing multiple data points is QCPCurveDataContainer. It is a typedef for QCPDataContainer with QCPCurveData as the DataType template parameter. See the documentation there for an explanation regarding the data type's generic methods.

Zobacz również
QCPCurveDataContainer

Definicja w linii 5271 pliku qcustomplot.h.

Dokumentacja konstruktora i destruktora

◆ QCPCurveData() [1/2]

QCPCurveData::QCPCurveData ( )

Constructs a curve data point with t, key and value set to zero.

Definicja w linii 21784 pliku qcustomplot.cpp.

◆ QCPCurveData() [2/2]

QCPCurveData::QCPCurveData ( double  t,
double  key,
double  value 
)

Constructs a curve data point with the specified t, key and value.

Definicja w linii 21794 pliku qcustomplot.cpp.

Dokumentacja funkcji składowych

◆ fromSortKey()

static QCPCurveData QCPCurveData::fromSortKey ( double  sortKey)
inlinestatic

Returns a data point with the specified sortKey (assigned to the data point's t member). All other members are set to zero.

For a general explanation of what this method is good for in the context of the data container, see the documentation of QCPDataContainer.

Definicja w linii 5278 pliku qcustomplot.h.

◆ mainKey()

double QCPCurveData::mainKey ( ) const
inline

Returns the key member of this data point.

For a general explanation of what this method is good for in the context of the data container, see the documentation of QCPDataContainer.

Definicja w linii 5281 pliku qcustomplot.h.

◆ mainValue()

double QCPCurveData::mainValue ( ) const
inline

Returns the value member of this data point.

For a general explanation of what this method is good for in the context of the data container, see the documentation of QCPDataContainer.

Definicja w linii 5282 pliku qcustomplot.h.

◆ sortKey()

double QCPCurveData::sortKey ( ) const
inline

Returns the t member of this data point.

For a general explanation of what this method is good for in the context of the data container, see the documentation of QCPDataContainer.

Definicja w linii 5277 pliku qcustomplot.h.

◆ sortKeyIsMainKey()

static static bool QCPCurveData::sortKeyIsMainKey ( )
inlinestatic

Since the member key is the data point key coordinate and the member t is the data ordering parameter, this method returns false.

For a general explanation of what this method is good for in the context of the data container, see the documentation of QCPDataContainer.

Definicja w linii 5279 pliku qcustomplot.h.

◆ valueRange()

QCPRange QCPCurveData::valueRange ( ) const
inline

Returns a QCPRange with both lower and upper boundary set to value of this data point.

For a general explanation of what this method is good for in the context of the data container, see the documentation of QCPDataContainer.

Definicja w linii 5284 pliku qcustomplot.h.

Dokumentacja atrybutów składowych

◆ key

double QCPCurveData::key

Definicja w linii 5286 pliku qcustomplot.h.

◆ t

double QCPCurveData::t

Definicja w linii 5286 pliku qcustomplot.h.

◆ value

double QCPCurveData::value

Definicja w linii 5286 pliku qcustomplot.h.


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