Cheung-KaWai

@Cheung-KaWai·2 public vizzes

Fork of Template Enter, exit and update

An SVG visualization demonstrates enter, update, and exit states for circle elements using D3’s selection API. It begins with six circles drawn horizontally, initially colored black based on a `scaleOrdinal` mapping. The code shows how newly created data objects receive attributes through chained `.data().enter()`, while subsequent selection updates fill colors, and `.exit().remove()` deletes elements. The example relies on D3 v7’s declarative selection methods with explicit data-driven updates.

Dec 8, 2021

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Fork of Christmas tree

This fork of a Christmas tree uses basic SVG shapes to compose a simple holiday scene. The visualization shows a green triangular tree with a brown trunk, red ornaments, and yellow lines suggesting lights or tinsel. Using D3.js v3, the code defines elements like `<rect>` for the trunk, `<path>` for the tree silhouette, and `<circle>` nodes, all styled via an external CSS file. The SVG canvas is 960 by 500 pixels, with positioning set through explicit coordinates.

Dec 8, 2021