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TraceView Displaying Incorrect Channel Order for 4-Shank Probe #1321

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K-Onod opened this issue Dec 23, 2024 · 0 comments
Open

TraceView Displaying Incorrect Channel Order for 4-Shank Probe #1321

K-Onod opened this issue Dec 23, 2024 · 0 comments

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@K-Onod
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K-Onod commented Dec 23, 2024

I set up an NP2.0 4-shank probe, selecting 96 sites across all shank tips, as shown in the file NP20_4shanks_chanMap.png. After running Kilosort2.5, two files related to the channel map (channel_map.npy and channel_positions.npy) were successfully generated. However, in phy TraceView, the channel order appeared incorrect, with channels listed irrespective of shanks: [0, 48, 49, 241, 192, 193, 240, 1...] from the deepest, as seen in TraceView_incorrect_order_4shanks.png.

How can we view the channels arranged shank by shank, starting from the deepest and connecting them vertically?

Note that the channel positions in ProbeView are correct. Additionally, the green-purple gradient in TraceView matches the shank-by-shank order. Therefore, I do not believe the issue originates from the channel map files.

Thank you for your assistance!
GitHubPost.zip (including channel_map.npy and channel_positions.npy)

NP20_4shanks_chanMap
TraceView_incorrect_order_4shanks

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