Collapsible Tree Example

Collapsible Tree Example

A collapsible tree diagram displays hierarchical data as a set of linked nodes, where each node’s children can be expanded or hidden by clicking, though the example code does not yet implement click interactions. The flat CSV data, containing parent-child relationships, is converted into a tree structure using a name-to-node map. The visualization is rendered as an SVG using D3.js version 3.5, with `d3.layout.tree` computing the layout, `d3.svg.diagonal` drawing curved links, and nodes represented by circles and text labels.

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Collapsible Tree Example

This example shows a static tree diagram generated from flat, parent-child data, with nodes and links rendered as SVG circles and paths. The code converts the flat data into a hierarchical tree structure using `d3.layout.tree` and draws it with `d3.svg.diagonal` for the curved links. It relies on the D3.js library (version 3.5.17) and uses standard SVG elements like `circle`, `text`, and `path` for visualization. The diagram is fixed-depth, with no interactive collapse or update behavior.

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Collapsible Tree Example

This example shows a collapsible tree diagram with a horizontal orientation, displaying hierarchical data with parent and child nodes connected by curved links. The tree layout is computed using `d3.layout.tree`, and links are drawn as SVG paths using `d3.svg.diagonal` with a custom projection that swaps x and y coordinates to achieve the horizontal layout. Nodes are rendered as circles with text labels, and the code uses D3 version 3.5.17, loading the library from a CDN. The data is hardcoded as a JavaScript array with nested objects representing the tree structure.

Collapsible Tree Example

This example shows a static tree diagram visualizing hierarchical data, with nodes and links styled using dynamic colors based on the data attributes. The visualization encodes numeric values as the radius of each node’s circle and uses distinct colors for node fill, stroke, and links. The code uses the D3.js layout in `d3.layout.tree` and the `d3.svg.diagonal` API to draw curved links. It loads data from an embedded JavaScript array and renders the graphic as an SVG, with the tree laid out horizontally from left to right.

Collapsible Tree Example

This example shows a vertical d3.js tree diagram with a fixed set of hierarchical data, including a top-level node with two second-level branches and further descendants. While titled "collapsible," the provided code is a simplified version that renders the tree without any interactive update or collapse functionality. The visualization uses the D3 v3 `d3.layout.tree` for layout and `d3.svg.diagonal` for link paths, with nodes drawn as white circles and labels positioned above or below each node. All elements are rendered in SVG, and the data is hardcoded in the script.

Collapsible Tree Example

This example shows a static tree diagram with a root node branching into two levels of child nodes, using text labels and circular markers connected by curved links. The visualization renders in SVG via D3.js version 3.5, using the `d3.layout.tree` for hierarchical positioning and `d3.svg.diagonal` for link paths. The code defines a fixed dataset inline and normalizes node depth for horizontal spacing, though it lacks the interactive collapse-and-expand behavior of the original Bostock example it derives from.

Collapsible Tree Example

This collapsible tree diagram displays hierarchical data from a CSV file, with nodes positioned by depth and connected by curved links. The visualization loads flat data from `treedata.csv` and converts it into a tree structure using a name-to-parent mapping. Rendered with SVG, it employs the `d3.layout.tree` and `d3.svg.diagonal` APIs from d3.v3 to compute node positions and draw paths. Each node appears as a white circle with a steelblue stroke, labeled with its name, while the layout normalizes node depths to 180 pixels per level.

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Collapsible Tree Example

This collapsible tree example shows a static, two-level hierarchy loaded from an external JSON file, with nodes rendered as white circles connected by gray curved links. The view is fixed and does not update or collapse. Built with the D3.js library (version 3.5.17), it uses `d3.layout.tree()` for layout, `d3.svg.diagonal()` for link paths, and `d3.json()` to fetch the data. The SVG output is generated by appending node circles and text labels, with styling defined in the embedded CSS.