GNU Astronomy Utilities - Tasks: task #15893, match: the nearest neighbour in...
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task #15893: match: the nearest neighbour in kdtree should calculate elliptical distances
Submitter: | Sachin Kumar Singh <sks_15> | ||
Submitted: | Tue 26 Jan 2021 11:56:45 AM UTC | ||
Should Start On: | Tue 26 Jan 2021 12:00:00 AM UTC | Should be Finished on: | Tue 26 Jan 2021 12:00:00 AM UTC |
Category: | Match | Priority: | 5 - Normal |
Item Group: | Enhancement | Status: | None |
Privacy: | Public | Percent Complete: | 0% |
Assigned to: | None | Open/Closed: | Open |
Effort: | 0.00 |
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Currently, the nearest neighbor search in the KD-tree library calculates the radial distance between the matches. This might not be useful for cases where the aperture is elliptical. So we need to calculate the general elliptical distances which can account for all the aperture values.