This scatterplot visualizes eye-tracking fixation data from two Antwerp map images, with each rectangle positioned by mapped fixation coordinates and scaled by fixation duration. The red squares overlay a static map background image loaded via CSS, allowing comparison of attention patterns across the color and gray stimulus conditions. The visualization uses D3 v5’s `scaleLinear`, `extent`, and `csv` methods to load and transform the data, rendering SVG rectangles with size and opacity tied to `FixationDuration`.