gazeplotter/dist/class/Eye/EyeDeserializer/OgamaEyeDeserializer.js

Gazeplotter is a Svelte application for visualizing eye-tracking data.

import { AbstractEyeDeserializer } from './AbstractEyeDeserializer.ts';
export class OgamaEyeDeserializer extends AbstractEyeDeserializer {
    stimulusName;
    cParticipant;
    cSegments;
    constructor(header, fileName) {
        super();
        // extract name from file name (SimilarityXXX.txt) where XXX is the stimulus name
        // this.stimulusName = fileName.split('.')[0].split('Similarity')[1]
        this.stimulusName = fileName.split('.')[0];
        this.cParticipant = this.getIndex(header, 'Sequence Similarity');
        this.cSegments = this.getIndex(header, 'Scanpath string');
    }
    finalize() {
        return null;
    }
    deserialize(row) {
        const segments = row[this.cSegments]; // just letters - each one fixation
        if (segments === undefined)
            return [];
        const participant = row[this.cParticipant];
        const result = [];
        for (let i = 0; i < segments.length; i++) {
            const aoi = segments[i] === '#' ? null : [segments[i]];
            const start = i.toString();
            const end = (i + 1).toString();
            const category = 'Fixation';
            const stimulus = this.stimulusName;
            result.push({ aoi, category, end, participant, start, stimulus });
        }
        return result;
    }
}