title: Rotate numpy 2D array
body: <p>I have a set of greyscale images as a 2D numpy arrays.</p>
  
  <p>I need to rotate the images about one point (inside them) of different, float angles. The rotation doesn't need to be in place, and I will allow (of course, if I explained well so far) for interpolation.</p>
  
  <p>I'd like to remain in numpy, as I need to perform numerical operations on the result, but I can also (if that's impossible) allow for step in/out; for example I tried using PIL, namely Image.rotate(theta) but don't understand how to apply that to my arrays, and how to get an array back.</p>
  
  <p>Thank you for your input.</p>