PyImageSearch / imutils

A series of convenience functions to make basic image processing operations such as translation, rotation, resizing, skeletonization, and displaying Matplotlib images easier with OpenCV and Python.
MIT License
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angle in rotate() and rotate_bound() has opposite meaning. wtf? #205

Open nkrot opened 4 years ago

nkrot commented 4 years ago

Both functions -- rotate() and rotate_bound() -- have a parameter for specifying the angle of rotation. Surprisingly, the meaning of it is different:

  1. rotate(image, 10) will rotate the image 10 deg counterclockwise (-10)
  2. rotate_bound(image, 10) will rotate the image 10 deg clockwise (+10)

What was the motivation for such a design decision? Would it make sense to unify the interpretation of the angle parameter? Or at least add a note to (barely existing) documentation?

Thanks, Nikolai