ahh, ok. And rotate() returns a float. Thanks for the quick help! On Wed, Nov 13, 2013 at 12:25 PM, Johannes Schönberger wrote:

Hi,

it is working as expected. You are just dealing with a dtype issue here.

np.ones((30, 30)) => dtype=double with valid values between [0, 1] as a convention in skimage.

Replace np.ones((30,30)) with im_array = np.ones((30,30), dtype=np.uint8) and your issues should be fixed.

Hope it helps.

Am 13.11.2013 um 12:19 schrieb Sigmund :

...

Moin moin!

(Enthought Canopy Python 2.7.3 | 64-bit | (default, Aug 8 2013, 05:30:12) [MSC v.1500 64 bit (AMD64)] on win32)

I noticed that the rotate function is not working correct for me or at least not in the way I expect it to function. Could someone check this or tell me what I'm doing wrong. I would like to rotate a image/array for some degrees.

import numpy as np import matplotlib.pyplot as plt import skimage.transform as sk_trans im_array = np.ones((30,30)) im_array[12,:]=2 im_array[13,:]=3 im_array[14,:]=4 im_array[15,:]=5 im_array[16,:]=4 im_array[17,:]=3 im_array[18,:]=2 img_rot = sk_trans.rotate(im_array,45) plt.imshow(im_array,interpolation='none') plt.show() plt.imshow(img_rot,interpolation='none') plt.show()

Thanks Siggi

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