From 79fa65001bf809ea942f511a89a1cba53d9af484 Mon Sep 17 00:00:00 2001
From: tomrink <rink@ssec.wisc.edu>
Date: Mon, 29 Mar 2021 14:10:53 -0500
Subject: [PATCH] snapshot...
---
modules/util/util.py | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/modules/util/util.py b/modules/util/util.py
index 30b6d0ce..c132ebc6 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -150,4 +150,14 @@ def minimize_quadratic(xa, xb, xc, ya, yb, yc):
def value_to_index(nda, value):
diff = np.abs(nda - value)
idx = np.argmin(diff)
- return idx
\ No newline at end of file
+ return idx
+
+
+# array solzen must be degrees, missing values must NaN
+def is_night(solzen, threshold):
+ solzen = solzen.flatten()
+ solzen = solzen[np.invert(np.isnan(solzen))]
+ if np.max(solzen) > threshold:
+ return True
+ else:
+ return False
--
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