A D3.js plugin for creating and positioning draggable circle and text annotations on graphics and maps.
d3.ringNote is a D3.js plugin for creating and positioning circle and text annotations on visualizations like charts and maps. It solves the problem of adding interactive, explanatory notes to specific areas of graphics, making data storytelling more effective. The plugin allows annotations to be draggable and customizable, with control over text wrapping and styling.
Data visualization developers and designers using D3.js who need to add annotations to charts, maps, or other SVG-based graphics for explanatory or commentary purposes.
Developers choose d3.ringNote for its focused, lightweight approach to annotation within the D3 ecosystem, offering draggable interactivity and seamless integration with existing D3 workflows without heavy dependencies.
D3 plugin for placing circle and text annotation
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Annotations support dragging to adjust circle center, radius, and text position, enabling user-driven customization directly in the visualization.
Built as a D3 plugin, it uses D3 selections and data binding, making it easy to incorporate into existing D3 workflows with method chaining.
Each annotation is wrapped in a <g> element with bound data, allowing for precise CSS or D3-based styling based on annotation properties.
Configurable textWidth property enables multi-line text within annotations, improving readability for longer notes without manual line breaks.
The plugin is designed for D3.v3, an older version, which may not be compatible with newer D3 releases without modifications.
Clipboard integration for saving annotations only works in Chrome and Firefox, failing in Internet Explorer and other unsupported browsers.
Only supports circle-based annotations, lacking flexibility for other shapes like rectangles or arrows that might be needed for diverse visual cues.