Autodetect some transform properties. #14922
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QuLogic
approved these changes
Aug 2, 2019
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How often do we check these in the code, iirc the the performance cost of properties over attribute access is sizable. |
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This actually seems like a good case for |
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Good point re |
timhoffm
reviewed
Aug 5, 2019
lib/matplotlib/transforms.py
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| - :attr:`is_separable` | ||
| - :attr:`has_inverse` | ||
| - :meth:`inverted` (if :attr:`has_inverse` is True) | ||
| - :attr:`is_separable` (defaults to True for 1d -> 1d transforms) |
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Subclasses of this class should override the following members (at minimum):
Is not correct anymore for is_separable and has_inverse. Either rephrase or put those two in a separate block.
- 1d transforms are always separable, no need to repeat `is_separable = True` again and again. - If a subclass overrides `inverted()` then it is most likely invertible (though not always), no need to repeat `has_inverse = True` again and again (but subclasses can always override to `has_inverse = False`).
timhoffm
approved these changes
Aug 5, 2019
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is_separable = Trueagain and again.inverted()then it is most likely invertible(though not always), no need to repeat
has_inverse = Trueagain andagain (but subclasses can always override to
has_inverse = False).PR Summary
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