I've just discovered an interesting alternative to PyQwt for plotting curves efficiently. That is Qt Charts, a module of Qt which exists at least since 2012 according to PyQtChart changelog (PyQtChart is a set of Python bindings for Qt Charts library).
Here is a simple example which is as efficient as PyQwt (and much more efficient than PythonQwt):
(the associated Python code is here)
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Here is a simple example which is as efficient as PyQwt (and much more efficient than PythonQwt):
(the associated Python code is here)
