D3 Course 5: General Update Pattern Part 1

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D3 Course 5: General Update Pattern Part 1

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Last edited Apr 2, 2020

Created on Mar 30, 2020

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This example demonstrates the D3 General Update Pattern for smoothly adding, updating, and removing SVG circles. Fruits (apples and lemons) are bound to data using a key function, with new elements entering at radius zero and exiting elements shrinking before removal. Animated transitions of 1000 milliseconds adjust circle positions and radii while the `merge` method updates existing elements. The code uses `d3.select`, `d3.range`, `scaleOrdinal`, and `transition.attr` to manage state changes triggered by `setTimeout` events.

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Data Visualization with D3 Course; General Update Pattern : Part 1

<table> <th>Topics</th> <tr> <td> <ul> <li>Enter</li> <li>Exit</li> <li>Update</li> <li>Merge</li> </ul> </td> <td> <ul> <li>Animated Transition</li> <li>Object Constancy</li> <li>Nested Elements</li> <li>Singular Elements</li> </ul> </td> </tr> </table>

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