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# Qwt - Qt Widgets for Technical Applications

### 4.2.0

The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a 2D plot widget it provides scales, sliders, dials, compasses, thermometers, wheels and knobs to control or display values, arrays, or ranges of type double.

## Project page

The official project page is hosted at sourceforge

## License

Qwt is distributed under the terms of the Qwt License, Version 1.0.

## Mailing list

For all kind of Qwt related questions there is a Qwt mailing list.

## Supported platforms

Qwt might be usable in all environments where you find a Qt >= 2.3.0. Unfortunately the resources of the Qwt team are limited. All we are using is:

- Qt/X11 with gcc on Linux
- Qt/Win 2.3.0 non commercial

## Screenshots

- QwtPlot
- QwtCurve
- QwtScaleDraw
- QwtKnob
- QwtSlider
- QwtDial
- QwtCompass
- QwtThermo
- QwtWheel
- QwtCounter
- QwtPushButton

## Downloads

Stable releases, prereleases and snapshots are available at the Qwt project page.

Qwt doesn´t distribute binary packages, but you find some for the following Linux distributions: Debian, Gentoo. Please report links that are not listed here.

For anonymous CVS (a couple of hours old) try:

    cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/qwt login
    cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/qwt co qwt

## Installation

Have a look at the qwt.pro project file. It is prepared for building dynamic libraries in Win32 and Unix/X11 environments. If you don't know what to do with it, read the file INSTALL and/or Trolltechs tmake/qmake documentation. Once you have build the library you have to install all files from the lib, include and doc directories.

On RPM based systems you can adjust qwt.spec and build your own RPM package. Read the comments in qwt.spec for the details.

## Related Projects

PyQwt, a set of Qwt Python bindings.
QwtPlot3D, an OpenGL 3D plot widget.
ProcessViewBrowser, including a RPC interface to the Qwt widget set.
QtiPlot, data analysis and scientific plotting tool, using QwtPlot.

## Credits:

Authors:
  Josef Wilgen ( <= Qwt 0.2 ), Uwe Rathmann

Project admin:
  Uwe Rathmann <rathmann@users.sourceforge.net>

Developers:
  Gerard Vermeulen, Micha Bieber, Roy Dennington

Contributors:
  Pieter van Beek, Borries Demeler, Andy Thaller, Dimitri Papadopolis, Jan Kellmer, Kai Engels, Karl Waedt