Calculate average from CSV file using PERL script Post: 302552652

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qwtintervaldata

QwtIntervalData(3)						 Qwt User's Guide						QwtIntervalData(3)

NAME

       QwtIntervalData -

       Series of samples of a value and an interval.

SYNOPSIS

       #include <qwt_interval_data.h>

   Public Member Functions
       QwtDoubleRect boundingRect () const
       const QwtDoubleInterval & interval (size_t i) const
       QwtIntervalData (const QwtArray< QwtDoubleInterval > &, const QwtArray< double > &)
       QwtIntervalData ()
       void setData (const QwtArray< QwtDoubleInterval > &, const QwtArray< double > &)
       size_t size () const
       double value (size_t i) const
       ~QwtIntervalData ()

Detailed Description
       Series of samples of a value and an interval.

       QwtIntervalData is a series of samples of a value and an interval. F.e. error bars are built from samples [x, y1-y2], while a histogram
       might consist of [x1-x2, y] samples.

Constructor &; Destructor Documentation
   QwtIntervalData::QwtIntervalData ()
       Constructor.

   QwtIntervalData::QwtIntervalData (const QwtArray< QwtDoubleInterval > &intervals, const QwtArray< double > &values)
       Constructor.

   QwtIntervalData::~QwtIntervalData ()
       Destructor.

Member Function Documentation
   QwtDoubleRect QwtIntervalData::boundingRect () const Calculate the bounding rectangle of the samples
       The x coordinates of the rectangle are built from the intervals, the y coordinates from the values.

       Returns:
	   Bounding rectangle

   const QwtDoubleInterval & QwtIntervalData::interval (size_ti) const [inline] Interval of a sample
       Parameters:
	   i Sample index

       Returns:
	   Interval

       See also:
	   value(), size()

   void QwtIntervalData::setData (const QwtArray< QwtDoubleInterval > &intervals, const QwtArray< double > &values)
       Assign samples.

   size_t QwtIntervalData::size () const [inline] Returns:
	   Number of samples

   double QwtIntervalData::value (size_ti) const [inline] Value of a sample
       Parameters:
	   i Sample index

       Returns:
	   Value

       See also:
	   interval(), size()

Author
       Generated automatically by Doxygen for Qwt User's Guide from the source code.

Version 5.2.2							  Mon Aug 1 2011						QwtIntervalData(3)

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