Skip to main content
SimilarExport ZIP
100%

Adding interactions to a map with D3.js!

✓ Published1🌍 Public
MMounikaBeerelly
Last edited Jun 9, 2020
Created on Jun 9, 2020

This example demonstrates how to add interactive features to a geographic map using D3.js. It shows a world map rendered with SVG paths, where hovering over a country highlights it in red, and a tooltip displays the country name. The map also supports panning and zooming through the `d3.zoom` API. The visualization uses `d3.geoPath` and the `topojson` library to process GeoJSON data from the world-atlas package, with country names loaded from a TSV file.

AI-generated description

Adding interactions like :

  1. highlighting on hover using CSS
  2. adding simple tooltips
  3. panning & zooming
MIT Licensed

Similar vizzes

Loading thumbnail…

Map Interaction with D3!

This example shows an interactive world map rendered with SVG paths, where hovering over a country reveals its name as a tooltip and the map supports zooming and panning. It uses D3 v5’s `geoNaturalEarth1` projection and `geoPath` to draw countries from TopoJSON data provided by the world-atlas package, with country names loaded from a TSV file. The zoom behavior is implemented via D3’s `zoom` API, transforming a group element on the `zoom` event.

AAnnie Liao
87% match
Loading thumbnail…

Map interaction with D3.js!

This example demonstrates an interactive world map built with D3.js v5, allowing users to pan and zoom via the `d3.zoom` API. It renders country boundaries as SVG paths using `d3.geoPath` with a `geoNaturalEarth1` projection, applied to TopoJSON data from the world-atlas package. Country names are matched from a TSV file and displayed as tooltips via SVG `<title>` elements. Hovering changes the fill color through CSS, while the sphere background is styled as dark blue.

Aaxliao
87% match
Loading thumbnail…

Cheap Tricks for Interaction On a D3.js World Map!

This example displays an interactive world map using SVG paths generated from TopoJSON data. The visualization uses d3.geoMercator, d3.geoPath, and the `topojson` feature function to render country boundaries with a steelblue fill and black strokes. Hovering over a country triggers a CSS `:hover` rule that changes the fill to red, and d3.zoom enables pan and zoom interactions that transform the map group. Country name tooltips are added via the `title` child element, using data from a TSV file.

Vvans01
86% match
Loading thumbnail…

Map Interaction with D3.js

This example shows an interactive world map with zoom and pan capabilities, where hovering over a country highlights it in red. Built with React and rendered as SVG, it uses D3.js v5 with `d3.geoNaturalEarth1` projection and `d3.geoPath` to draw countries from TopoJSON data. A `d3.zoom` handler transforms the map group on user interactions, while `d3.tsv` loads country names from a World Atlas TSV file to populate tooltips. The map features a steel-blue ocean sphere and light-green landmasses.

NNoor-SC
86% match
Loading thumbnail…

Let's make a map with D3.js and add interaction

This example displays an interactive world map with D3.js, rendering countries as green SVG paths with black outlines over a black sphere. Hovering a country turns it dark red. It uses `d3.geoPath` with `d3.geoNaturalEarth1` for projection, `d3.zoom` for pan and zoom, and `topojson.feature` to convert TopoJSON data from the world-atlas package. Country names come from a TSV file linked by ISO code, shown as tooltips via SVG `<title>` elements.

SSherry198
86% match
Loading thumbnail…

Map Interaction Assignment

This example shows an interactive world map where each country is rendered as a filled path, and hovering over a country turns it red. The map uses a natural Earth projection via `d3.geoNaturalEarth1` and `d3.geoPath`, with country boundaries loaded from TopoJSON data in the world-atlas package. Zoom and pan interactions are implemented using `d3.zoom`, which applies a transform to the map group. Country names are matched from ISO codes in a TSV file and displayed as tooltips using SVG `<title>` elements.

MMukund Khandelwal
86% match
Loading thumbnail…

Cheap Tricks for Interaction On a D3.js World Map!

This example shows a zoomable world map built with React and D3 v5, where hovering over a country highlights it in red and displays its name as a tooltip. The map renders SVG paths using `d3.geoPath` and a Mercator projection, with geographic data loaded from the world-atlas TopoJSON and country names matched via TSV. Interaction includes a `d3.zoom` handler that transforms a group element containing all country paths, and CSS `:hover` rules change fill color. The code demonstrates combining TopoJSON feature extraction, data joins, and simple event-driven styling.

Vvans01
86% match
Loading thumbnail…

map interactions

This example displays an orthographic projection of the world map using D3.js and TopoJSON, with country boundaries rendered as SVG paths. Hovering over a country turns it red, while a d3.zoom behavior allows panning and zooming of the entire map. The map data comes from the world-atlas TopoJSON and TSV files, and country names are added as tooltips via SVG title elements. The projection and path generation use d3.geoOrthographic and d3.geoPath.

EEmmanuel Chukwujindu
85% match