From 1e02414900f25aadd3833bd8e3c7663317b00aed Mon Sep 17 00:00:00 2001
From: tomrink <rink@ssec.wisc.edu>
Date: Wed, 4 Nov 2020 13:19:10 -0600
Subject: [PATCH] snapshot...

---
 modules/util/util.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/util/util.py b/modules/util/util.py
index bc1f2798..2e93ee97 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -114,4 +114,10 @@ def pressure_to_altitude(pres, temp, prof_pres, prof_temp, sfc_pres, sfc_temp, s
 # http://fourier.eng.hmc.edu/e176/lectures/NM/node25.html
 def minimize_quadratic(xa, xb, xc, ya, yb, yc):
     x_m = xb + 0.5*(((ya-yb)*(xc-xb)*(xc-xb) - (yc-yb)*(xb-xa)*(xb-xa)) / ((ya-yb)*(xc-xb) + (yc-yb)*(xb-xa)))
-    return x_m
\ No newline at end of file
+    return x_m
+
+
+def value_to_index(nda, value):
+    diff = np.abs(nda - value)
+    idx = np.argmin(diff)
+    return idx
\ No newline at end of file
-- 
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