QwtOHLCSample - Open-High-Low-Close sample used in financial charts.

NAME  SYNOPSIS  Public Member Functions  Public Attributes  Detailed Description  Constructor & Destructor Documentation  QwtOHLCSample::QwtOHLCSample (double t = 0.0, double o = 0.0, double h =0.0, double l = 0.0, double c = 0.0) [inline]  Member Function Documentation  QwtInterval QwtOHLCSample::boundingInterval () const [inline]  bool QwtOHLCSample::isValid () const [inline]  Member Data Documentation  double QwtOHLCSample::close  double QwtOHLCSample::high  double QwtOHLCSample::low  double QwtOHLCSample::open  double QwtOHLCSample::time  Author 

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NAME

QwtOHLCSample − Open-High-Low-Close sample used in financial charts.

SYNOPSIS

#include <qwt_samples.h>

Public Member Functions

QwtOHLCSample (double time=0.0, double open=0.0, double high=0.0, double low=0.0, double close=0.0)
QwtInterval boundingInterval () const
Calculate the bounding interval of the OHLC values.
bool isValid () const
Check if a sample is valid.

Public Attributes

double time
double open
Opening price.
double high
Highest price.
double low
Lowest price.
double close
Closing price.

Detailed Description

Open-High-Low-Close sample used in financial charts.

In financial charts the movement of a price in a time interval is often represented by the opening/closing prices and the lowest/highest prices in this interval.

See also

QwtTradingChartData

Definition at line 143 of file qwt_samples.h.

Constructor & Destructor Documentation

QwtOHLCSample::QwtOHLCSample (double t = 0.0, double o = 0.0, double h =0.0, double l = 0.0, double c = 0.0) [inline]

Constructor

Parameters

t Time value
o Open value
h High value
l Low value
c Close value

Definition at line 182 of file qwt_samples.h.

Member Function Documentation

QwtInterval QwtOHLCSample::boundingInterval () const [inline]

Calculate the bounding interval of the OHLC values. For valid samples the limits of this interval are always low/high.

Returns

Bounding interval

See also

isValid()

Definition at line 220 of file qwt_samples.h.

bool QwtOHLCSample::isValid () const [inline]

Check if a sample is valid. A sample is valid, when all of the following checks are true:

	•		low <= high
	•		low <= open <= high
	•		low <= close <= high

Returns

True, when the sample is valid

Definition at line 203 of file qwt_samples.h.

Member Data Documentation

double QwtOHLCSample::close

Closing price.

Definition at line 170 of file qwt_samples.h.

double QwtOHLCSample::high

Highest price.

Definition at line 164 of file qwt_samples.h.

double QwtOHLCSample::low

Lowest price.

Definition at line 167 of file qwt_samples.h.

double QwtOHLCSample::open

Opening price.

Definition at line 161 of file qwt_samples.h.

double QwtOHLCSample::time

Time of the sample, usually a number representing a specific interval - like a day.

Definition at line 158 of file qwt_samples.h.

Author

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