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@@ -43,6 +43,10 @@ import numpy as np
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import nixio as nix
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+DATA_BLOCK_NAME = "EEG Data Block"
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+DATA_BLOCK_TYPE = "Recording"
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+RAW_DATA_GROUP_NAME = "Raw Data Group"
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+RAW_DATA_GROUP_TYPE = "EEG Channels"
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RAW_DATA_TYPE = "Raw Data"
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@@ -108,6 +112,7 @@ def write_single_da(mneraw, block):
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print(f"Found {nchan} channels with {mneraw.n_times} samples per channel")
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da = block.create_data_array("EEG Data", RAW_DATA_TYPE, data=data)
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+ block.groups[RAW_DATA_GROUP_NAME].data_arrays.append(da)
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da.unit = "V"
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for dimlen in data.shape:
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@@ -141,6 +146,7 @@ def write_multi_da(mneraw, block):
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for idx, chandata in enumerate(np.rollaxis(data, chanidx)):
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chname = channames[idx]
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da = block.create_data_array(chname, RAW_DATA_TYPE, data=chandata)
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+ block.groups[RAW_DATA_GROUP_NAME].data_arrays.append(da)
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da.unit = "V"
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# times: RangeDimension
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@@ -165,6 +171,7 @@ def write_stim_tags(mneraw, block):
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stimmtag = block.create_multi_tag("Stimuli", "EEG Stimuli",
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positions=posda)
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stimmtag.extents = extda
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+ block.groups[RAW_DATA_GROUP_NAME].multi_tags.append(stimmtag)
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for da in block.data_arrays:
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if da.type == RAW_DATA_TYPE:
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@@ -179,8 +186,9 @@ def write_raw_mne(nfname, mneraw, split_data_channels=True):
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nf = nix.File(nfname, nix.FileMode.Overwrite)
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# Write Data to NIX
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- block = nf.create_block("EEG Data Block", "Recording",
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+ block = nf.create_block(DATA_BLOCK_NAME, DATA_BLOCK_TYPE,
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compression=nix.Compression.DeflateNormal)
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+ block.create_group(RAW_DATA_GROUP_NAME, RAW_DATA_GROUP_TYPE)
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if split_data_channels:
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write_multi_da(mneraw, block)
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