GNU Astronomy Utilities - Tasks: task #15670, Calculating reverse coefficients...
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task #15670: Calculating reverse coefficients of TPV to SIP
Submitter: | Sachin Kumar Singh <sks_15> | ||
Submitted: | Tue 02 Jun 2020 09:35:33 PM UTC | ||
Should Start On: | Tue 02 Jun 2020 12:00:00 AM UTC | Should be Finished on: | Fri 05 Jun 2020 12:00:00 AM UTC |
Category: | None | Priority: | 5 - Normal |
Item Group: | New feature | Status: | Done |
Privacy: | Public | Assigned to: | sks_15 |
Percent Complete: | 100% | Open/Closed: | Closed |
Effort: | 0.00 |
Fri 05 Jun 2020 08:33:32 PM UTC, comment #4: |
Mohammad Akhlaghi <makhlaghi> |
Fri 05 Jun 2020 06:41:19 PM UTC, comment #3: The TPV->SIP conversion for both the forward and reverse coefficients is done. For the purpose of modularisation, task #15675 was opened so that it can be implemented later on more completely. The code for both of them can be seen in this repo. The headers from both the `astropy` output and the test Gnuastro library are shown below(only showing the sip keywords):
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Sachin Kumar Singh <sks_15> |
Tue 02 Jun 2020 10:03:37 PM UTC, comment #2: That sounds great! Having wrappers for GSL in GNU Astro will be really helpful in future tasks. |
Sachin Kumar Singh <sks_15> |
Tue 02 Jun 2020 09:53:35 PM UTC, comment #1: Please implement the fitting of a 2D array with a polynomial through GSL as a generic/modular function and call it for this task.
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Mohammad Akhlaghi <makhlaghi> |
Tue 02 Jun 2020 09:35:33 PM UTC, original submission:
The calculation of reverse sip coefficients is done in task #15669. Now we have to calculate reverse coefficients which is done by fitting a polynomial on a two-dimensional matrix populated with forward coefficients.
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Sachin Kumar Singh <sks_15> |
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Follow 4 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2020-06-05 | makhlaghi | Percent Complete | 20% | 100% | |
2020-06-05 | sks_15 | Should be Finished on | 2020-06-02 | 2020-06-05 | |
Status | In Progress | Done | |||
Open/Closed | Open | Closed |
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This is WONDERFUL Sachin, GREAT JOB!