GNU Astronomy Utilities - Tasks: task #14147, Use WCS coordinates in Arithmetic
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task #14147: Use WCS coordinates in Arithmetic
Submitter: | Mohammad Akhlaghi <makhlaghi> | ||
Submitted: | Mon 05 Sep 2016 04:49:23 PM UTC | ||
Should Start On: | Mon 05 Sep 2016 03:00:00 PM UTC | Should be Finished on: | Mon 05 Sep 2016 03:00:00 PM UTC |
Category: | Arithmetic | Priority: | 5 - Normal |
Item Group: | Enhancement | Status: | Postponed |
Privacy: | Public | Percent Complete: | 0% |
Assigned to: | None | Open/Closed: | Open |
Effort: | 0.00 |
Mon 05 Sep 2016 04:51:17 PM UTC, comment #1: |
Mohammad Akhlaghi <makhlaghi>![]() |
Mon 05 Sep 2016 04:49:23 PM UTC, original submission:
After several warpings and croppings (which are necessary during data processing) the sizes of each output might be slightly different (by a pixel for example). So while the WCS coordinates (which are floating points) are accurate, ImageCrop will not work and will complain about the size of the images.
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Mohammad Akhlaghi <makhlaghi>![]() |
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Sorry, at the end of the first paragraph I meant to say "... are accurate, Arithmetic will not work ...", I mistakenly wrote ImageCrop!