QwtPointArrayData - Interface for iterating over two QVector<double> objects.
Contents
Constructor & Destructor Documentation
QwtPointArrayData::QwtPointArrayData(constQVector<double>&x,constQVector<double>&y)
Constructor
Parameters:x Array of x values
y Array of y values
Seealso:QwtPlotCurve::setData(), QwtPlotCurve::setSamples()QwtPointArrayData::QwtPointArrayData(constdouble*x,constdouble*y,size_tsize)
Constructor
Parameters:x Array of x values
y Array of y values
size Size of the x and y arrays
Seealso:QwtPlotCurve::setData(), QwtPlotCurve::setSamples()Detailed Description
Interface for iterating over two QVector<double> objects.
Member Function Documentation
QRectFQwtPointArrayData::boundingRect()const[virtual]
Calculate the bounding rectangle. The bounding rectangle is calculated once by iterating over all points
and is stored for all following requests.
Returns:
Bounding rectangle
Implements QwtSeriesData<QPointF>.
QPointFQwtPointArrayData::sample(size_tindex)const[virtual]
Return the sample at position i
Parameters:index Index
Returns:
Sample at position i
Implements QwtSeriesData<QPointF>.
size_tQwtPointArrayData::size()const[virtual]Returns:
Size of the data set
Implements QwtSeriesData<QPointF>.
constQVector<double>&QwtPointArrayData::xData()constReturns:
Array of the x-values
constQVector<double>&QwtPointArrayData::yData()constReturns:
Array of the y-values
Name
QwtPointArrayData - Interface for iterating over two QVector<double> objects.
Synopsis
#include <qwt_point_data.h>
Inherits QwtSeriesData<QPointF>.
PublicMemberFunctionsQwtPointArrayData (const QVector< double > &x, const QVector< double > &y)
QwtPointArrayData (const double *x, const double *y, size_t size)
virtual QRectF boundingRect () const
Calculate the bounding rectangle.
virtual size_t size () const
virtual QPointF sample (size_t index) const
const QVector< double > & xData () const
const QVector< double > & yData () const
AdditionalInheritedMembers