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BrainVisionMarker

Namespace: BIDSLIB  ·  Library: BIDS Library

#include <bids/bids_brain_vision_reader.h>

struct BIDSLIB::BrainVisionMarker

Marker entry from the .vmrk file.

src/examples/ex_bids/main.cpp
const QVector<BrainVisionChannelInfo> bvChannels = brainVision.getChannelInfos(); // name, resolution, unit per Ch<n>= line
const QVector<BrainVisionMarker> markers = brainVision.getMarkers();              // Mk<n>= lines: type, description, 0-based position

Example​

Used in examples​

ex_bids​

BIDS library: paths, sidecar TSVs, BrainVision/EDF readers and a raw-data round trip.

src/examples/ex_bids/main.cpp, line 128
const QVector<BrainVisionChannelInfo> bvChannels = brainVision.getChannelInfos(); // name, resolution, unit per Ch<n>= line
const QVector<BrainVisionMarker> markers = brainVision.getMarkers();              // Mk<n>= lines: type, description, 0-based position
// mne.io.read_raw_brainvision annotations: 13 after the "New Segment", first "Stimulus/S253" at 0.486 s
ok &= expect(bvChannels.size() == 32 && bvChannels[0].name == "FP1" && bvChannels[0].resolution == 0.5f && markers.size() == 14 && markers[1].type == "Stimulus" && markers[1].description == "S253" && markers[1].position == 486,
             QString("BrainVision metadata: %1 channels, %2 markers, S253 at sample %3 (mne 0.486 s)").arg(bvChannels.size()).arg(markers.size()).arg(markers.value(1).position));

Authors of this file​