helpGNU Astronomy Utilities - Support: sr #109221, Reassigned to another tracker...

 
 

sr #109221: Reassigned to another tracker [was: ImageWarp 'align' does not align previously warped (rotated) images]

Submitter:  Lee Kelvin <leeskelvin>
Submitted:  Tue 17 Jan 2017 03:58:01 PM UTC
 
Category:  Warp Priority:  5 - Normal
Severity:  3 - Normal Item Group:  * Output not reasonable
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Closed
Operating System:  GNU/Linux
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Tue 17 Jan 2017 10:48:48 PM UTC, comment #1: 

THIS ITEM WAS REASSIGNED TO BUG #50072


Please, do not post any new comments to this item.

Mohammad Akhlaghi <makhlaghi>
Project Administrator
Tue 17 Jan 2017 03:58:01 PM UTC, original submission:  

THIS ITEM WAS REASSIGNED TO BUG #50072
A FITS image which has been previously rotated via ImageWarp does not align back to N/E = Y/-X as expected.

The three files attached to this report help illustrate this issue. The input file 'input.fits' is a standard FITS image already aligned to N on the positive Y axis and E on the negative X axis. I initially rotate the image 45 degrees using the command:

astimgwarp --rotate=45 input.fits

This produces the output file 'input_warped.fits', attached to this report. An attempt is then made to re-align the image back to its original alignment using the command:

astimgwarp --align input_warped.fits

This produces the output file 'input_warped_warped.fits', also attached to this report. As can be seen, this output has not been re-aligned back to N/E = Y/-X. I would expect this command to re-align the image, but no operation has been performed.

Regards,
Lee Kelvin

Lee Kelvin <leeskelvin>
Project Member

 

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-01-17 makhlaghi Reassign ItemGNU Astronomy Utilities, sr #109221 GNU Astronomy Utilities, bug #50072
    2017-01-17 leeskelvin Attached File- Added input.fits, #39491
        Attached File- Added input_warped.fits, #39492
        Attached File- Added input_warped_warped.fits, #39493

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