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US Map with Zoom on Click

✓ Published1🌍 Public
Rrpkupfer@wpi.edu
Last edited Oct 29, 2025
Created on Oct 29, 2025

This interactive map of the United States displays state boundaries using the `d3.geoAlbersUsa()` projection and `d3.geoPath()`, with geographic data sourced from `us-atlas` and parsed via `topojson-client`. Users can click any state to zoom into it using the `d3.zoom` behavior, with a 750ms transition, while hovering highlights the state in red and shows a tooltip with its name. A background click or the “Reset View” button restores the original view. The visualization also supports loading external CSV data, such as the provided `nics.csv` firearm background-check statistics.

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MIT Licensed

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