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Qwt - Qt Widgets for Technical Applications

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

# License

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

# Platforms

Qwt-6.3.0 might be usable in all environments where you find Qt. It is compatible with Qt 4.8 and all Qt 5/6 versions.

# What's new

Read the summary of the most important changes.

# Screenshots

- Curve Plots
- Spectrogram, Contour Plot
- Bar Charts, Histograms
- Other Plots
- Dials, Compasses, Knobs, Wheels, Sliders, Thermos

# Downloads

Stable releases or prereleases are available at the Qwt project page, or from the git repository.

Active development will happen in the develop branch supporting Qt >= 5.6 and relying on at least C++11. However all versions >= Qt 4.8 will actively be supported in the 6.x branches.
The popular multiaxes branch is derived from develop.

# Installation

Qwt doesn't distribute binary packages, but today all major Linux distributors offer one. Note, that these packages often don't include the examples.

When no binary packages are available ( f.e. on Windows ) Qwt needs to be compiled and installed on the target system.

# Support

- Mailing list
  For all kind of Qwt related questions use the Qwt mailing list.
- Forum
  Qt Centre is a great resource for Qt related questions. It has a sub forum, that is dedicated to Qwt related questions.
- Individual support
  If you are looking for individual support, or need someone who implements your Qwt component/application contact suppo.nosp@m.rt@q.nosp@m.wt-pr.nosp@m.ojec.nosp@m.t.org. Sending requests to this address without a good reason for not using public support channels might be silently ignored.

# Related Projects

PyQt-Qwt, Python PyQt wrapper for Qwt.

# Donations

Sourceforge offers a Donation System via PayPal. You can use it, if you like to support the development of Qwt.

# Credits

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