QCPCurveData Class Reference

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

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

Public Members
double	t
double	key
double	value

Static Public Functions
static QCPCurveData	fromSortKey (double sortKey)
static bool	sortKeyIsMainKey ()

Detailed Description

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.

See also

QCPCurveDataContainer

Constructor & Destructor Documentation

QCPCurveData() [1/2]

QCPCurveData::QCPCurveData

(

)

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

QCPCurveData() [2/2]

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

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

Member Function Documentation

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.

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.

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.

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.

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.

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.

---

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

• src/plottables/plottable-curve.h
• src/plottables/plottable-curve.cpp