From a2cfdb8f006f1047ee509076212f2169eae46bfe Mon Sep 17 00:00:00 2001
From: Peter Luenenschloss <peter.luenenschloss@ufz.de>
Date: Thu, 14 May 2020 13:16:53 +0200
Subject: [PATCH] blocked insertion of zeros into empty intervals by
resample.sum
---
saqc/funcs/harm_functions.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/saqc/funcs/harm_functions.py b/saqc/funcs/harm_functions.py
index 81a71aa9c..bbf7bca7f 100644
--- a/saqc/funcs/harm_functions.py
+++ b/saqc/funcs/harm_functions.py
@@ -332,8 +332,12 @@ def _interpolateGrid(
closed = 'right'
# all values in a sampling interval get aggregated with agg_method and assigned to the next grid point
# some consistency cleanup:
+ # we are not trusting resamples interplay with sum and others - so we check for empty intervals:
+ to_nan = data.resample(freq_string, loffset=loffset, base=base, closed=closed,
+ label=label).count() == 0
data = data.resample(freq_string, loffset=loffset, base=base, closed=closed,
label=label).apply(agg_method)
+ data[to_nan] = np.nan
if total_range is None:
data = data.reindex(ref_index)
--
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