Menu — VizHub

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This example demonstrates a simple interactive menu for selecting a color from a predefined palette. It uses D3 v7’s `select` and `join` methods to render an HTML `<select>` element with options for six colors, updating the displayed selection as the user changes the value. The code separates the menu logic into a reusable function and leverages a state management pattern to track the current choice. The visualization itself is minimal, showing only the dropdown on a grey background, with no further graphical output beyond the menu.

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Menu Example

MIT Licensed

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Menu Example

A dropdown menu offers six color choices, while a scatter-like column of circles encodes two fixed numeric datasets. The circle positions and colors update only when the menu selection changes. Built with D3 v7, the example uses a `select` join to bind options, `interpolateRdYlGn` for the circle fill gradient, and custom `menu` and `treeCoder` modules to render the SVG elements.

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Menu_NH_2

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