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

# QwtIntervalSample(3)

A sample of the types (x1-x2, y) or (x, y1-y2)

## NAME

QwtIntervalSample - A sample of the types (x1-x2, y) or (x, y1-y2)

## SYNOPSIS

`#include <qwt_samples.h>`

### Public Member Functions

**QwtIntervalSample** ()\
 **QwtIntervalSample** (double, const **QwtInterval** &)\
 Constructor.  **QwtIntervalSample** (double **value**, double min, double max)\
 Constructor.  bool **operator==** (const **QwtIntervalSample** &) const\
 Compare operator.  bool **operator!=** (const **QwtIntervalSample** &) const\
 Compare operator.

### Public Attributes

double **value**\
 Value.  **QwtInterval** **interval**\
 Interval.

## Detailed Description

A sample of the types (x1-x2, y) or (x, y1-y2)

## Constructor & Destructor Documentation

### QwtIntervalSample::QwtIntervalSample ()` [inline]`

Constructor The value is set to 0.0, the interval is invalid

## Author

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