man QwtArrayData (Fonctions bibliothèques) -

NAME

QwtArrayData -

SYNOPSIS



Inherits QwtData.

Detailed Description

Data class containing two QwtArray<double> objects.

Definition at line 103 of file qwt_data.h.

Public Member Functions

QwtArrayData (const QwtArray< double > &x, const QwtArray< double > &y)

QwtArrayData (const double *x, const double *y, size_t size)

QwtArrayData & operator= (const QwtArrayData &)

virtual QwtData * copy () const

virtual size_t size () const

virtual double x (size_t i) const

virtual double y (size_t i) const

virtual QwtDoubleRect boundingRect () const

Constructor & Destructor Documentation

QwtArrayData::QwtArrayData (const QwtArray< double > & x, const QwtArray< double > & y)

Constructor

See also: QwtCurve::setData and QwtPlot::setCurveData.

Definition at line 102 of file qwt_data.cpp.

Referenced by copy().

QwtArrayData::QwtArrayData (const double * x, const double * y, size_t size)

Constructor

See also: QwtCurve::setData and QwtPlot::setCurveData.

Definition at line 112 of file qwt_data.cpp.

Member Function Documentation

QwtDoubleRect QwtArrayData::boundingRect () const [virtual]

Returns the bounding rectangle of the data. If there is no bounding rect, like for empty data the rectangle is invalid: QwtDoubleRect::isValid() == FALSE

Reimplemented from QwtData.

Definition at line 156 of file qwt_data.cpp.

References size().

QwtData * QwtArrayData::copy () const [virtual]

Return a pointer to a copy (virtual copy constructor)

Implements QwtData.

Definition at line 146 of file qwt_data.cpp.

References QwtArrayData().

QwtArrayData & QwtArrayData::operator= (const QwtArrayData &)

Assignment.

Definition at line 121 of file qwt_data.cpp.

References d_x, and d_y.

size_t QwtArrayData::size () const [virtual]

Return the size of the data set

Implements QwtData.

Definition at line 131 of file qwt_data.cpp.

Referenced by boundingRect().

double QwtArrayData::x (size_t i) const [virtual]

Return the x value of data point i

Parameters: i Index

Returns: x X value of data point i

Implements QwtData.

Definition at line 136 of file qwt_data.cpp.

double QwtArrayData::y (size_t i) const [virtual]

Return the y value of data point i

Parameters: i Index

Returns: y Y value of data point i

Implements QwtData.

Definition at line 141 of file qwt_data.cpp.

Author

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