Qwt User's Guide 5.2.2
Public Member Functions

QwtArrayData Class Reference

Data class containing two QwtArray<double> objects. More...

#include <qwt_data.h>

Inheritance diagram for QwtArrayData:
Inheritance graph
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List of all members.

Public Member Functions

virtual QwtDoubleRect boundingRect () const
virtual QwtDatacopy () const
QwtArrayDataoperator= (const QwtArrayData &)
 QwtArrayData (const double *x, const double *y, size_t size)
 QwtArrayData (const QwtArray< double > &x, const QwtArray< double > &y)
virtual size_t size () const
virtual double x (size_t i) const
const QwtArray< double > & xData () const
virtual double y (size_t i) const
const QwtArray< double > & yData () const

Detailed Description

Data class containing two QwtArray<double> objects.


Constructor & Destructor Documentation

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

Constructor

Parameters:
xArray of x values
yArray of y values
See also:
QwtPlotCurve::setData()
QwtArrayData::QwtArrayData ( const double *  x,
const double *  y,
size_t  size 
)

Constructor

Parameters:
xArray of x values
yArray of y values
sizeSize of the x and y arrays
See also:
QwtPlotCurve::setData()

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.

QwtData * QwtArrayData::copy ( ) const [virtual]
Returns:
Pointer to a copy (virtual copy constructor)

Implements QwtData.

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

Assignment.

size_t QwtArrayData::size ( ) const [virtual]
Returns:
Size of the data set

Implements QwtData.

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

Return the x value of data point i

Parameters:
iIndex
Returns:
x X value of data point i

Implements QwtData.

const QwtArray< double > & QwtArrayData::xData ( ) const
Returns:
Array of the x-values
double QwtArrayData::y ( size_t  i) const [virtual]

Return the y value of data point i

Parameters:
iIndex
Returns:
y Y value of data point i

Implements QwtData.

const QwtArray< double > & QwtArrayData::yData ( ) const
Returns:
Array of the y-values