Provided by: libqwt-doc_6.1.4-2build2_all 

NAME
QwtPointArrayData - Interface for iterating over two QVector<double> objects.
SYNOPSIS
#include <qwt_point_data.h>
Inherits QwtSeriesData< QPointF >.
Public Member Functions
QwtPointArrayData (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
Additional Inherited Members
Detailed Description
Interface for iterating over two QVector<double> objects.
Constructor & Destructor Documentation
QwtPointArrayData::QwtPointArrayData (const QVector< double > & x, const QVector< double > & y)
Constructor
Parameters:
x Array of x values
y Array of y values
See also:
QwtPlotCurve::setData(), QwtPlotCurve::setSamples()
QwtPointArrayData::QwtPointArrayData (const double * x, const double * y, size_t size)
Constructor
Parameters:
x Array of x values
y Array of y values
size Size of the x and y arrays
See also:
QwtPlotCurve::setData(), QwtPlotCurve::setSamples()
Member Function Documentation
QRectF QwtPointArrayData::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 >.
QPointF QwtPointArrayData::sample (size_t index) const [virtual]
Return the sample at position i
Parameters:
index Index
Returns:
Sample at position i
Implements QwtSeriesData< QPointF >.
size_t QwtPointArrayData::size () const [virtual]
Returns:
Size of the data set
Implements QwtSeriesData< QPointF >.
const QVector< double > & QwtPointArrayData::xData () const
Returns:
Array of the x-values
const QVector< double > & QwtPointArrayData::yData () const
Returns:
Array of the y-values
Author
Generated automatically by Doxygen for Qwt User's Guide from the source code.
Version 6.1.4 Wed Jan 2 2019 QwtPointArrayData(3)