3051 Fix dtype issue in Spacing transform

[Nic-Ma]

Fixes #3051 .

Description

This PR fixed the output data type issue of Spacing transform.

Status

Ready

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.

[Nic-Ma]

/black

[madil90]

/build

[madil90]

/build

[madil90]

/build

[madil90]

/build

[madil90]

/build

[madil90]

/build

[madil90]

/build

[rijobro]

So the purpose of _dtype is to convert the image to that type before the interpolation, and then to convert back to float afterwards?

Edit: I just checked the linked issue and think this is the case. Thanks for the quick PR.

[Nic-Ma]

So the purpose of _dtype is to convert the image to that type before the interpolation, and then to convert back to float afterwards?

Edit: I just checked the linked issue and think this is the case. Thanks for the quick PR.

Yes, it's just used to adjust the interpolation computation.

Thanks for your review.