title: Python or Matlab rotate with spline interpolation order higher than 5
body: <p>I need to do a rotation with a spline interpolation of high order &gt;5. I insist on the fact that it is for interpolating rotated data, not upsampling.</p>
  <p>I found : <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.ndimage.rotate.html?highlight=rotate#scipy.ndimage.rotate" rel="nofollow noreferrer">https://docs.scipy.org/doc/scipy/reference/generated/scipy.ndimage.rotate.html?highlight=rotate#scipy.ndimage.rotate</a></p>
  <p>but only up to splines order 5. (I know orders &gt; 3 are unusual, nevertheless I do need it).</p>
  <p>any idea of a Python/Matlab or way to implement higher order spline interpolation for rotation ?</p>