fixed a bug for bar reader

If a column doesn't contain any bars, the software should not fail.
Chilipp · Jan 28, 2019 · 6c5eb50 · 6c5eb50
1 parent 75a148e
commit 6c5eb50
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/straditize/binary.py b/straditize/binary.py
@@ -3450,7 +3450,10 @@ def split_too_long(val=None, fraction=None):
 
         all_indices = []
         heights = []
-        last_start = np.where(~isnan_or_0(arr))[0][0]
+        try:
+            last_start = np.where(~isnan_or_0(arr))[0][0]
+        except IndexError:  # no data in here
+            return [], [], []
         last_end = last_start
         last_val = last_start_val = arr[last_end]
         last_state = state = 1  #: state for increasing (1) or decreasing (-1)

diff --git a/straditize/widgets/data.py b/straditize/widgets/data.py
@@ -1959,7 +1959,7 @@ def get_overlapping_bars(self):
         for col, l in enumerate(all_indices):
             for (imin, imax) in l:
                 for col2, l2 in enumerate(all_indices):
-                    if col2 != col and \
+                    if col2 != col and len(l2) and \
                             ((l2 > imin) & (l2 < imax)).any(axis=1).sum() >= 2:
                         ret[col].append([imin, imax])
                         break