From 80e7ba6a894d8fabddcad2ce16cedc4ca6b075af Mon Sep 17 00:00:00 2001
From: KeonHKim <alphaover2pi@korea.ac.kr>
Date: Fri, 17 May 2024 00:02:27 +0900
Subject: [PATCH] Updated yokoya_elliptic with an analytical implementation
---
mbtrack2/utilities/misc.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mbtrack2/utilities/misc.py b/mbtrack2/utilities/misc.py
index a5d4501..e58a848 100644
--- a/mbtrack2/utilities/misc.py
+++ b/mbtrack2/utilities/misc.py
@@ -221,8 +221,8 @@ def yokoya_elliptic(x_radius, y_radius):
small_semiaxis = x_radius
large_semiaxis = y_radius
- # Our equations are approximately valid only for qr (ratio) values less than or equal to 0.9.
- qr_th = 0.9
+ # Our equations are approximately valid only for qr (ratio) values less than or equal to 0.8.
+ qr_th = 0.8
F = np.sqrt(large_semiaxis**2 - small_semiaxis**2)
mu_b = np.arccosh(large_semiaxis/F)
qr = (large_semiaxis - small_semiaxis) / (large_semiaxis + small_semiaxis)
--
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