GNU Astronomy Utilities - Bugs: bug #63026, Warp translation adds one extra...
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bug #63026: Warp translation adds one extra pixel even if it is not requested
Submitter: | Raul Infante-Sainz <infantesainz> | ||
Submitted: | Wed 07 Sep 2022 01:46:40 PM UTC | ||
Category: | Warp | Severity: | 3 - Normal |
Item Group: | Output not reasonable | Status: | None |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Open |
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The option '--translate' of Warp does not do what the user expect. When asked to translate only in the x-axis, it also translates the y-axis. To easily reproduce the problem consider the lines below:
Create an image to play with.
Translate along the x-axis 1 pixel (tx=1), and check the dimensions. The result shows that also the y-axis has changed
By modifying tx and ty other options can be explored. Interestingly, when using tx=ty=0, the result is correct.