d3-zoom adds interactive zooming and panning to a D3 visualization. In a world map, users can focus on regions while the handler applies the event’s transform to the SVG. section 13.3
D3-zoom
d3-zoom is a D3 module that provides interactive zooming and panning behavior for document elements.
How D3.js in Action, Third Edition covers it
- How deep it goes
- Explains handler setup, event transforms, visual application, clipping, and interaction bounds, then stops short of deeper internals.
- Examples
- Uses a world map with mouse-wheel or trackpad interaction, bounded extents, and a reset control.
- What you can do after
- Build it with d3-zoom by attaching a handler, applying transforms, and constraining map movement.
- How it connects
- Connects zoom behavior with D3 selections, SVG transforms, event handling, and geographic visualization.
Related concepts
- zoomimplements · Browser zoom is a user-controlled display-scaling feature that enlarges or reduces a rendered page and may cause its layout to reflow.
This explainer was generated by Manning's knowledge graph from the text of D3.js in Action, Third Edition. The section links point to the parts of the book it draws on.