World Countries Tree

World Countries Tree

This visualization displays the hierarchical structure of world countries, organized by continent and subregion. The layout uses a tree diagram with horizontal links connecting parent nodes to their children, and text labels sized inversely to depth. The implementation leverages d3.hierarchy, d3.tree, and d3.linkHorizontal to compute positions and draw SVG paths, while d3.zoom enables panning and scaling of the entire tree. Data comes from a JSON file containing the geographic classification of nations.

JJurian

World Countries Tree

This example presents the hierarchical structure of world countries organized by continent and subregion as a tree diagram. The visualization uses a horizontal tree layout from D3 v5, with nodes representing geographic regions and countries, connected by curved links. Users can pan and zoom the entire structure through D3’s zoom behavior. The code builds the layout with `d3.tree`, `d3.hierarchy`, and `d3.linkHorizontal`, rendering text labels with font sizes that decrease with depth. Data is loaded from a local JSON file, and the SVG output features a custom serif font and distinct stroke color.

Llapeno20

World Countries Tree

This visualization displays the hierarchical structure of world countries, organized by continent and subregion, as a horizontal tree diagram rendered as SVG. It uses a D3.js v5 tree layout to position nodes and links, with the `d3.hierarchy` and `d3.linkHorizontal` modules generating the tree paths. The data is loaded from `data.json`, and the visualization supports mouse-wheel zooming via d3's zoom transform, applying it to a group element. Text labels show country names with a font size that decreases with tree depth.

KKarkG

World Countries Tree

A hierarchical tree diagram displays the world's countries organized by continent and subregion, with each country as a leaf node. The visualization uses d3.tree and d3.hierarchy to compute the layout, then renders horizontal links between nodes as SVG paths via d3.linkHorizontal. Data is loaded asynchronously from a JSON file using d3.json, and the SVG canvas is sized to fill the browser viewport. The chart emphasizes the geographic grouping of nations without displaying node labels or additional interaction.

AArriannePandaraoan

World Countries Tree

A hierarchical tree visualization displays the world's countries organized by continent and subregion, with each country as a leaf node. The layout uses d3.tree() and d3.hierarchy() to structure the JSON data, while d3.linkHorizontal() generates the curved link paths. Text labels align dynamically based on whether a node has children. Pan and zoom functionality is implemented via d3.zoom(), and margins are applied using the standard D3 margin convention. Custom fonts and text shadows enhance readability.

HHeholek

World Countries Tree

This interactive tree diagram displays the hierarchical structure of world countries, organized by continent and subregion. The visualization uses a horizontal tree layout with curved links connecting parent nodes to their children, rendered as SVG paths. Built with D3 v5, the code employs the `tree` and `hierarchy` layouts, `linkHorizontal` for path generation, and implements zoom functionality through `d3.zoom`. Country and region labels are positioned along the branches with font sizes that decrease with depth, while the data comes from a static JSON file.

Aalfredo-f

World Countries Tree

This visualization presents a hierarchical tree of world countries, organized by continent and subregion, using a left-to-right node-link diagram. The d3.js library builds the tree layout, positions nodes with `tree()` and `hierarchy()`, and draws curved link paths via `linkHorizontal()`. Node labels are placed at varying font sizes based on their depth. The data is loaded from a local `data.json` file and rendered as an SVG, with zoom functionality enabled through a d3 zoom event handler.

Bbambaleq

World Countries Tree

This visualization shows the hierarchical structure of world countries organized by continent and subregion. It renders a horizontal tree layout using D3’s `tree()` and `hierarchy()` functions, with countries positioned as leaf nodes. Links are drawn as curved paths via `linkHorizontal()`, while node labels use varying font sizes based on depth. The entire visualization is placed inside a zoomable group, allowing users to pan and scale through the `d3.zoom()` API. Data comes from a local `data.json` file, and the SVG output is styled with custom CSS, including a serif font and green link strokes.

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