QwtArrayData(3) | Qwt User's Guide | QwtArrayData(3) |
NAME¶
QwtArrayData - Data class containing two QwtArray<double> objects.SYNOPSIS¶
#include <qwt_data.h> Inherits QwtData.Public Member Functions¶
virtual QwtDoubleRect boundingRect () 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:x Array of x values
y Array of y values
See also:
QwtPlotCurve::setData()
QwtArrayData::QwtArrayData (const double *x, const double *y, size_tsize) Constructor¶
Parameters:x Array of x values
y Array of y values
size Size 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)
QwtArrayData & QwtArrayData::operator= (const QwtArrayData &data)¶
Assignment.size_t QwtArrayData::size () const [virtual] Returns:¶
Size of the data set
double QwtArrayData::x (size_ti) const [virtual] Return the x value of data point i¶
Parameters:i Index
Returns:
x X value of data point i
const QwtArray< double > & QwtArrayData::xData () const Returns:¶
Array of the x-values
double QwtArrayData::y (size_ti) const [virtual] Return the y value of data point i¶
Parameters:i Index
Returns:
y Y value of data point i
const QwtArray< double > & QwtArrayData::yData () const Returns:¶
Array of the y-values
Author¶
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