conflicting packages
QwtCPointerData(3) | Qwt User's Guide | QwtCPointerData(3) |
NAME¶
QwtCPointerData - Data class containing two pointers to memory blocks of doubles.SYNOPSIS¶
#include <qwt_data.h> Inherits QwtData.Public Member Functions¶
virtual QwtDoubleRect boundingRect () const
Detailed Description¶
Data class containing two pointers to memory blocks of doubles.Constructor & Destructor Documentation¶
QwtCPointerData::QwtCPointerData (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
Warning:
The programmer must assure that the memory
blocks referenced by the pointers remain valid during the lifetime of the
QwtPlotCPointer object.
See also:
QwtPlotCurve::setData(),
QwtPlotCurve::setRawData()
Member Function Documentation¶
QwtDoubleRect QwtCPointerData::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 * QwtCPointerData::copy () const [virtual] Returns:¶
Pointer to a copy (virtual copy
constructor)
QwtCPointerData & QwtCPointerData::operator= (const QwtCPointerData &data)¶
Assignment.size_t QwtCPointerData::size () const [virtual] Returns:¶
Size of the data set
double QwtCPointerData::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 double * QwtCPointerData::xData () const Returns:¶
Array of the x-values
double QwtCPointerData::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 double * QwtCPointerData::yData () const Returns:¶
Array of the y-values
Author¶
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