Qwt User's Guide  5.2.3
Public Member Functions
QwtArrayData Class Reference

#include <qwt_data.h>

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

Public Member Functions

 QwtArrayData (const QwtArray< double > &x, const QwtArray< double > &y)
 QwtArrayData (const double *x, const double *y, size_t size)
virtual QwtDoubleRect boundingRect () const
virtual QwtDatacopy () const
QwtArrayDataoperator= (const QwtArrayData &)
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
- Public Member Functions inherited from QwtData
 QwtData ()
virtual ~QwtData ()

Additional Inherited Members

- Protected Member Functions inherited from QwtData
QwtDataoperator= (const QwtData &)

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.

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