A World map with zoom / pan functionality and added markers on cities.
forked from d3noob's block: World map with zoom / pan and cities
Last active
February 11, 2019 20:43
-
-
Save lkopacz/459cb4cb262db41cc7122ad9e26b4811 to your computer and use it in GitHub Desktop.
World map with zoom / pan and cities
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| code | city | country | lat | lon | |
|---|---|---|---|---|---|
| ZNZ | ZANZIBAR | TANZANIA | -6.13 | 39.31 | |
| TYO | TOKYO | JAPAN | 35.68 | 139.76 | |
| AKL | AUCKLAND | NEW ZEALAND | -36.85 | 174.78 | |
| BKK | BANGKOK | THAILAND | 13.75 | 100.48 | |
| DEL | DELHI | INDIA | 29.01 | 77.38 | |
| SIN | SINGAPORE | SINGAPOR | 1.36 | 103.75 | |
| BSB | BRASILIA | BRAZIL | -15.67 | -47.43 | |
| RIO | RIO DE JANEIRO | BRAZIL | -22.90 | -43.24 | |
| YTO | TORONTO | CANADA | 43.64 | -79.40 | |
| IPC | EASTER ISLAND | CHILE | -27.11 | -109.36 | |
| SEA | SEATTLE | USA | 47.61 | -122.33 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| path { | |
| stroke: white; | |
| stroke-width: 0.25px; | |
| fill: grey; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var projection = d3.geo.mercator() | |
| .center([0, 5 ]) | |
| .scale(200) | |
| .rotate([-180,0]); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var g = svg.append("g"); | |
| // load and display the World | |
| d3.json("world-110m2.json", function(error, topology) { | |
| // load and display the cities | |
| d3.csv("cities.csv", function(error, data) { | |
| g.selectAll("circle") | |
| .data(data) | |
| .enter() | |
| .append("a") | |
| .attr("xlink:href", function(d) { | |
| return "https://www.google.com/search?q="+d.city;} | |
| ) | |
| .append("circle") | |
| .attr("cx", function(d) { | |
| return projection([d.lon, d.lat])[0]; | |
| }) | |
| .attr("cy", function(d) { | |
| return projection([d.lon, d.lat])[1]; | |
| }) | |
| .attr("r", 5) | |
| .style("fill", "red"); | |
| }); | |
| g.selectAll("path") | |
| .data(topojson.object(topology, topology.objects.countries) | |
| .geometries) | |
| .enter() | |
| .append("path") | |
| .attr("d", path) | |
| }); | |
| // zoom and pan | |
| var zoom = d3.behavior.zoom() | |
| .on("zoom",function() { | |
| console.log(d3.event.translate) | |
| console.log(d3.event.scale) | |
| g.attr("transform","translate("+ | |
| d3.event.translate.join(",")+")scale("+d3.event.scale+")"); | |
| g.selectAll("circle") | |
| .attr("d", path.projection(projection)); | |
| g.selectAll("path") | |
| .attr("d", path.projection(projection)); | |
| }); | |
| svg.call(zoom) | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment