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Scan Path

✓ Published3🌍 Public
PPatricijaC
Last edited May 23, 2020
Created on May 18, 2020
Forked from Scan Path

The scan path visualization plots eye-tracking fixations from a CSV file, with each circle sized by fixation duration and colored by participant, while connecting lines trace the viewing sequence per user over a metro map background. The SVG rendering uses d3.scaleLinear for coordinates, d3.scaleOrdinal with schemeCategory10 for colors, and d3.nest to group data by user. Interactive tooltips display exact duration and participant details on hover.

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MIT Licensed

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Scan Path

The scan path visualization displays eye-tracking fixation points from a CSV dataset overlaid on an Antwerp metro map background image. Red circles represent fixation locations, with circle radius scaled proportionally to fixation duration. A connecting path drawn using d3.line links the fixation sequence, while d3.scaleLinear maps fixation coordinates to SVG positions. The visualization loads data via d3.csv and renders with D3 v5, using SVG circles and paths layered atop the background image defined through CSS styling.

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Fork of Scan Path

The visualization displays eye-tracking scan paths over a map of Antwerp’s metro system, with each participant’s fixations drawn as colored circles and connected by sequential lines. Circle size encodes fixation duration, while color identifies the user, and hovering reveals exact duration and participant details. Built with D3 v5, it uses `scaleLinear` for the x/y axes, `scaleOrdinal` with `schemeCategory10` for colors, and `nest` to group data by user, rendering paths and circles as SVG elements on a styled background.

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