Merge pull request #55 from ghulands/fix_issue_21

Issue 21: Fix for when altitude is zero
pingswept · Aug 14, 2017 · 7a0a7b6 · 7a0a7b6
2 parents e32d755 + 6e008ca
commit 7a0a7b6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pysolar/radiation.py b/pysolar/radiation.py
@@ -42,7 +42,7 @@ def get_optical_depth(day):
 
 def get_radiation_direct(when, altitude_deg):
     # from Masters, p. 412
-    if altitude_deg < 0:
+    if int(altitude_deg) <= 0:
         return 0.0
     day = when.utctimetuple().tm_yday
     flux = get_apparent_extraterrestrial_flux(day)