Hello Stefan,

Just want to clarify. Am I right that your solution isn't applicable to PiecewiseAffineTransform at all?

Do you think it may be possible to find a workaround?

Thanks.

Best regards,
Serge Shakhov.

On Wednesday, 5 April 2017, 10:46, Serge Shakhov via scikit-image <scikit-image@python.org> wrote:

okay, but I don't need Affine.

Does it mean that there is no solution for my problem?

Best regards,
Serge Shakhov.

On Wednesday, 5 April 2017, 10:35, Stefan van der Walt <stefanv@berkeley.edu> wrote:

Hi Serge

There is no inverse defined for the piecewise affine, hence the change I made.

Stéfan

On Tue, Apr 4, 2017, at 15:28, Serge Shakhov wrote:

Hi Stefan.

Noticed that you changed my PiecewiseAffineTransform to AffineTransform.

Is it applicable to PiecewiseAffineTransform?

When I tried to revert it back to PiecewiseAffineTransform

Got error:

Traceback (most recent call last):

File "C:/Users/Serge/Downloads/warp_to_extents.py", line 45, in <module>

shifted_transform = (affine + offset).inverse

File "C:\Users\Serge\Software\lib\site-packages\skimage\transform\_geometric.py", line 208, in __add__

raise NotImplementedError()

NotImplementedError

Thanks

Best regards,

Serge Shakhov.

On Tuesday, 4 April 2017, 18:58, Stefan van der Walt <stefanv@berkeley.edu> wrote:

Hi Serge

Have a look at the attached version.

Stéfan

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