Properly handle pixels with zero-sum intensity

angelolab · Nov 6, 2024 · e164243 · e164243
1 parent d02340d
commit e164243
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/maldi_tools/load_maldi_data.py b/src/maldi_tools/load_maldi_data.py
@@ -121,6 +121,8 @@ def extract_maldi_tsf_data(
             tdf_sdk=tdf_sdk_binary, handle=tsf_cursor.handle, frame_id=sid, indices=index_arr
         )
         intensity_sum = np.sum(intensity_arr) if tic_normalize else 1
+        if intensity_sum == 0:
+            continue
 
         for mz, intensity in zip(mz_arr, intensity_arr):
             mz_bin_index = bisect_left(mz_bin_rights, mz)