D3 2.11’s d3.geo.path will automatically cut features for any aspect. Try
dragging to rotate the world and see a new aspect.
Antemeridian Cutting
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> | |
| .background { | |
| fill: #a4bac7; | |
| } | |
| .foreground { | |
| fill: none; | |
| stroke: #333; | |
| stroke-width: 1.5px; | |
| } | |
| .graticule { | |
| fill: none; | |
| stroke: #fff; | |
| stroke-width: .5px; | |
| } | |
| .graticule:nth-child(2n) { | |
| stroke-dasharray: 2,2; | |
| } | |
| .land { | |
| fill: #d7c7ad; | |
| stroke: #766951; | |
| } | |
| .boundary { | |
| fill: none; | |
| stroke: #a5967e; | |
| } | |
| svg { | |
| cursor: move; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var projection = d3.geo.albers().translate([width / 2 - .5, height / 1.75 - .5]).scale(120), | |
| path = d3.geo.path().projection(projection), | |
| graticule = d3.geo.graticule(); | |
| var svg = d3.select("body").append("svg") | |
| .datum({x: 0, y: 0}) | |
| .attr("width", width) | |
| .attr("height", height) | |
| .call(d3.behavior.drag() | |
| .origin(Object) | |
| .on("drag", function(d) { | |
| d.x = d3.event.x; | |
| d.y = d3.event.y; | |
| projection.rotate([d.x, -d.y, 0]); | |
| svg.selectAll("path").attr("d", path); | |
| })); | |
| svg.append("rect") | |
| .attr("class", "background") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.selectAll(".graticule") | |
| .data(graticule.lines) | |
| .enter().append("path") | |
| .attr("class", "graticule") | |
| .attr("d", path); | |
| d3.json("/d/3682676/readme-boundaries.json", function(err, collection) { | |
| svg.insert("g", ".graticule") | |
| .attr("class", "boundary") | |
| .selectAll("path") | |
| .data(collection.geometries) | |
| .enter().append("path") | |
| .attr("d", path); | |
| }); | |
| d3.json("/d/3682676/readme-land.json", function(err, collection) { | |
| svg.insert("g", ".graticule,.boundary") | |
| .attr("class", "land") | |
| .selectAll("path") | |
| .data(collection.geometries) | |
| .enter().append("path") | |
| .attr("d", path); | |
| }); | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Hey Jason Davies, i've been working on this very project in another language.
Could we collaborate?