Comments (4)
A screenshot of the signal chain is attached. This is a partial mockup of a closed-loop setup. I'm loading previously-saved experiment data, splitting off one fork for LFP visualization, and running the other fork through the TNE Lab's phase calculator plugin. I'm then running two instances of a modified version of the TNE Lab's crossing detector plugin to identify power excursions and target phases, and am using my conditional trigger logic plugin to generate TTL events from that. These get saved and also sent to a visualizer.
The metadata issue is happening when I read the saved data into a script intended to evaluate this setup's performance/accuracy. The events themselves are read without trouble; it's just complaining about not being able to read the metadata file.
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The npy-matlab library doesn't support npy files with structured array data, which the CrossingDetector events metadata file contains. We’ll have to add a custom parser to handle this case.
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As an interim mitigation approach, I submitted a pull request for "analysis-tools" that calls Matlab's "warning" instead of using "fprintf" directly. This makes it trivial for users like me to turn off the warning text if desired (per above the data itself is read without trouble).
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Thanks for the merge!
This resolves the issue on my side. It's up to you and the TNE Lab people to decide whether any further action is needed/desired for load_open_ephys_binary.m or for the crossing detector (such as having it save metadata in a format that npy-matlab can read).
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Related Issues (20)
- Splitting and Merging .dat Files HOT 3
- Trouble loading events data in matlab when saving in flat binary format with the updated GUI: load_open_ephys_binary.m looks for channels.npy HOT 3
- Binary dat files to Plexon Offline sorter HOT 7
- Converting continuous.dat into SpikeGLX flat binary HOT 4
- data and timestamp length unequal using load_open_ephys_binary HOT 4
- Session? HOT 1
- Flat binary file has more/less samples than expected HOT 4
- How to convert .continuous format to flat binary for using in Klusta HOT 1
- How to display the specific time point for spikes ? HOT 1
- load_open_ephys_data_faster.m memory error HOT 5
- Import continuous data recorded by neuropixels HOT 11
- Opening the binary data HOT 4
- issue running TT openephys data recorded in binary to Mclust
- Using analysis tools in Jupyter Notebook HOT 4
- Merging multiple OpenEphys binary (continuous.dat) files HOT 1
- Info Channel Header Location HOT 2
- Missing Probeinterface file for Neuropixel 1.0 (Open Ephys)
- recovering timestamps HOT 1
- OEP v0.6.2 Python KeyError: 'source_processor_sub_idx HOT 3
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