---
name: "QwtTradingChartData"
section: "3"
platform: "linux"
package: "libqwt-doc"
version: "6.1.4-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/QwtTradingChartData"
---

# QwtTradingChartData(3)

## NAME

QwtTradingChartData

## SYNOPSIS

`#include <qwt_series_data.h>`

Inherits **QwtArraySeriesData\< QwtOHLCSample \>**.

### Public Member Functions

**QwtTradingChartData** (const QVector\< **QwtOHLCSample** \> &=QVector\< **QwtOHLCSample** \>())\
 virtual QRectF **boundingRect** () const\
 Calculate the bounding rectangle.

### Additional Inherited Members

## Detailed Description

Interface for iterating over an array of OHLC samples

## Constructor & Destructor Documentation

### QwtTradingChartData::QwtTradingChartData (const QVector\< QwtOHLCSample \> & samples = `QVector<`QwtOHLCSample`>()`)

Constructor

**Parameters:**

*samples* Samples

## Member Function Documentation

### QRectF QwtTradingChartData::boundingRect () const` [virtual]`

Calculate the bounding rectangle. The bounding rectangle is calculated once by iterating over all points and is stored for all following requests.

**Returns:**

Bounding rectangle

Implements **QwtSeriesData\< QwtOHLCSample \>**.

## Author

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