In case of both peak detection, waveforms should be aligned

SpikeInterface · Nov 27, 2024 · 7c5bce7 · 7c5bce7
1 parent a396e1b
commit 7c5bce7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/spikeinterface/sortingcomponents/clustering/circus.py b/src/spikeinterface/sortingcomponents/clustering/circus.py
@@ -98,6 +98,9 @@ def main_function(cls, recording, peaks, params, job_kwargs=dict()):
             offset = int(params["waveforms"]["ms_before"] * fs / 1000)
             wfs = params["few_waveforms"][:, offset-nbefore:offset+nafter]
 
+        # Ensure all waveforms have a positive max
+        wfs *= np.sign(wfs[:, nbefore])[:, np.newaxis]
+
         from sklearn.decomposition import TruncatedSVD
 
         tsvd = TruncatedSVD(params["n_svd"][0])