Qt plotting widgets for Python
Project description
Purpose and Motivation
The PythonQwt project was initiated to solve -at least temporarily- the obsolescence issue of PyQwt (the Python-Qwt C++ bindings library) which is no longer maintained. The idea was to translate the original Qwt C++ code to Python and then to optimize some parts of the code by writing new modules based on NumPy and other libraries.
The PythonQwt package consists of a single Python package named qwt and of a few other files (examples, doc, …).
Copyrights
Main code base:
Copyright © 2002 Uwe Rathmann, for the original Qwt C++ code
Copyright © 2015 Pierre Raybaut, for the Qwt C++ to Python translation and optimization
Copyright © 2015 Pierre Raybaut, for the PythonQwt specific and exclusive Python material
PyQt, PySide and Python2/Python3 compatibility modules:
Copyright © 2009-2013 Pierre Raybaut
Copyright © 2013-2015 The Spyder Development Team
Some examples:
Copyright © 2003-2009 Gerard Vermeulen, for the original PyQwt code
Copyright © 2015 Pierre Raybaut, for the PyQt5/PySide port and further developments (e.g. ported to PythonQwt API)
License
The qwt Python package was partly (>95%) translated from Qwt C++ library: the associated code is distributed under the terms of the LGPL license. The rest of the code was either wrote from scratch or strongly inspired from MIT licensed third-party software. See included LICENSE file for more details about licensing terms.
Overview
The qwt package is a pure Python implementation of Qwt C++ library with the following limitations.
The following Qwt classes won’t be reimplemented in qwt because more powerful features already exist in guiqwt: QwtPlotZoomer, QwtCounter, QwtEventPattern, QwtPicker, QwtPlotPicker.
Only the following plot items are currently implemented in qwt (the only plot items needed by guiqwt): QwtPlotItem (base class), QwtPlotItem, QwtPlotMarker, QwtPlotSeriesItem and QwtPlotCurve.
See “Overview” section in [documentation](http://pythonhosted.org/PythonQwt/) for more details on API limitations when comparing to Qwt.
Dependencies
Requirements:
Python >=2.6 or Python >=3.0
PyQt4 >=4.4 or PyQt5 >= 5.5
NumPy >= 1.5
guidata >= 1.7 for the GUI-based test launcher
Installation
From the source package: python setup.py install
Examples/tests
The GUI-based test launcher may be executed from Python:
from qwt import tests tests.run()
or from the command line: PythonQwt-tests.
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