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* TickSliderItem: allowRemove property added Following #744, this PR suggests the addition of a property `allowRemove` to `TickSliderItem` and therefore also to `GradientEditorItem`. It sets the default of whether ticks can be removed by the user and therefore contemplates `allowAdd`. I would be interested in other opinions on this design decision, as #744 suggests to reuse `allowAdd` for the prohibition of tick removal. I personally suggest this solution, since it does not change the effect of the current API. Fix #744 * customPlot.py: Added markers to example using TickSliderItem * examples\GradientWidget.py: Demonstrate use of allowRemove Co-authored-by: 2xB <2xB@users.noreply.github.com> |
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PyQtGraph
A pure-Python graphics library for PyQt/PySide/PyQt5/PySide2
Copyright 2020 Luke Campagnola, University of North Carolina at Chapel Hill
PyQtGraph is intended for use in mathematics / scientific / engineering applications. Despite being written entirely in python, the library is fast due to its heavy leverage of numpy for number crunching, Qt's GraphicsView framework for 2D display, and OpenGL for 3D display.
Requirements
- Python 2.7, or 3.x
- Required
- PyQt 4.8+, PySide, PyQt5, or PySide2
numpy
- Optional
scipyfor image processingpyopenglfor 3D graphicshdf5for large hdf5 binary format support
Qt Bindings Test Matrix
The following table represents the python environments we test in our CI system. Our CI system uses Ubuntu 18.04, Windows Server 2019, and macOS 10.15 base images.
| Qt-Bindings | Python 2.7 | Python 3.6 | Python 3.7 | Python 3.8 |
|---|---|---|---|---|
| PyQt-4 | ✅ | ❌ | ❌ | ❌ |
| PySide1 | ✅ | ❌ | ❌ | ❌ |
| PyQt5-5.9 | ❌ | ✅ | ❌ | ❌ |
| PySide2-5.13 | ❌ | ❌ | ✅ | ❌ |
| PyQt5-Latest | ❌ | ❌ | ❌ | ✅ |
| PySide2-Latest | ❌ | ❌ | ❌ | ✅ |
- pyqtgraph has had some incompatibilities with PySide2 versions 5.6-5.11, and we recommend you avoid those versions if possible
- on macOS with Python 2.7 and Qt4 bindings (PyQt4 or PySide) the openGL related visualizations do not work reliably
Support
- Report issues on the GitHub issue tracker
- Post questions to the mailing list / forum or StackOverflow
Installation Methods
- From PyPI:
- Last released version:
pip install pyqtgraph - Latest development version:
pip install git+https://github.com/pyqtgraph/pyqtgraph@master
- Last released version:
- From conda
- Last released version:
conda install -c conda-forge pyqtgraph
- Last released version:
- To install system-wide from source distribution:
python setup.py install - Many linux package repositories have release versions.
- To use with a specific project, simply copy the pyqtgraph subdirectory anywhere that is importable from your project.
Documentation
The official documentation lives at https://pyqtgraph.readthedocs.io
The easiest way to learn pyqtgraph is to browse through the examples; run python -m pyqtgraph.examples to launch the examples application.