QwtArrayData Class Reference
Data class containing two QwtArray<double> objects.
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#include <qwt_data.h>
List of all members.
Detailed Description
Data class containing two QwtArray<double> objects.
Constructor & Destructor Documentation
QwtArrayData::QwtArrayData |
( |
const QwtArray< double > & |
x, |
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const QwtArray< double > & |
y | |
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) |
| | |
QwtArrayData::QwtArrayData |
( |
const double * |
x, |
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const double * |
y, |
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size_t |
size | |
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) |
| | |
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 |
( |
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) |
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 |
( |
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) |
const [virtual] |
- Returns:
- Pointer to a copy (virtual copy constructor)
Implements QwtData.
size_t QwtArrayData::size |
( |
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) |
const [virtual] |
- Returns:
- Size of the data set
Implements QwtData.
double QwtArrayData::x |
( |
size_t |
i |
) |
const [virtual] |
Return the x value of data point i
- Parameters:
-
- Returns:
- x X value of data point i
Implements QwtData.
const QwtArray< double > & QwtArrayData::xData |
( |
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) |
const |
- Returns:
- Array of the x-values
double QwtArrayData::y |
( |
size_t |
i |
) |
const [virtual] |
Return the y value of data point i
- Parameters:
-
- Returns:
- y Y value of data point i
Implements QwtData.
const QwtArray< double > & QwtArrayData::yData |
( |
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) |
const |
- Returns:
- Array of the y-values