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_series_data.h> Inherits QwtSeriesData< QPointF >.Public Member Functions¶
QwtCPointerData (const double *x, const double *y, size_t size)
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::setRawSamples()
Member Function Documentation¶
QRectF QwtCPointerData::boundingRect () const [virtual]¶
Calculate the bounding rect. The bounding rectangle is calculated once by iterating over all points and is stored for all following requests. Returns:Bounding rectangle
QPointF QwtCPointerData::sample (size_ti) const [virtual] Return the sample at position i¶
Parameters:i Index
Returns:
Sample at position i
size_t QwtCPointerData::size () const [virtual] Returns:¶
Size of the data set
const double * QwtCPointerData::xData () const Returns:¶
Array of the x-values
const double * QwtCPointerData::yData () const Returns:¶
Array of the y-values
Author¶
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