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[task #15893] match: the nearest neighbour in kdtree should calculate el
From: |
Sachin Kumar Singh |
Subject: |
[task #15893] match: the nearest neighbour in kdtree should calculate elliptical distances |
Date: |
Tue, 26 Jan 2021 06:56:47 -0500 (EST) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:84.0) Gecko/20100101 Firefox/84.0 |
URL:
<https://savannah.gnu.org/task/?15893>
Summary: match: the nearest neighbour in kdtree should
calculate elliptical distances
Project: GNU Astronomy Utilities
Submitted by: sks_15
Submitted on: 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
Discussion Lock: Any
Effort: 0.00
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Details:
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.
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