The Winkel Tripel Projection showing land and boundary lines from Natural Earth. The geo.winkel3 and geo.aitoff projections are available in the winkel3 plugin.
-
-
Save mbostock/3682698 to your computer and use it in GitHub Desktop.
Aitoff
This file contains hidden or 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> | |
| .ocean { | |
| fill: #a4bac7; | |
| } | |
| .outline { | |
| fill: none; | |
| stroke: #333; | |
| stroke-width: 1.5px; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: #fff; | |
| stroke-width: .5px; | |
| } | |
| .line :nth-child(2n) { | |
| stroke-dasharray: 2,2; | |
| } | |
| .land { | |
| fill: #d7c7ad; | |
| stroke: #766951; | |
| } | |
| .boundary { | |
| fill: none; | |
| stroke: #a5967e; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v2.min.js"></script> | |
| <script src="https://raw.github.com/d3/d3-plugins/master/winkel3/winkel3.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var xStepsBig = d3.range(-180, 180 + 1, 22.5), | |
| yStepsBig = d3.range(-90, 90 + 1, 22.5), | |
| xStepsSmall = d3.range(-180, 180 + 1, 2), | |
| yStepsSmall = d3.range(-90, 90 + 1, 2), | |
| xLines = xStepsBig.map(function(x) { return yStepsSmall.map(function(y) { return [x, y]; }); }), | |
| yLines = yStepsBig.map(function(y) { return xStepsSmall.map(function(x) { return [x, y]; }); }), | |
| outline = yStepsSmall.map(function(y) { return [180, y]; }).concat(yStepsSmall.map(function(y) { return [-180, -y]; })); | |
| var projection = d3.geo.winkel3() | |
| .translate([width / 2 - .5, height / 2 - .5]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("path") | |
| .datum(outline) | |
| .attr("class", "ocean") | |
| .attr("d", draw); | |
| svg.append("g") | |
| .attr("class", "x line") | |
| .selectAll("path") | |
| .data(xLines) | |
| .enter().append("path") | |
| .attr("d", draw); | |
| svg.append("g") | |
| .attr("class", "y line") | |
| .selectAll("path") | |
| .data(yLines) | |
| .enter().append("path") | |
| .attr("d", draw); | |
| svg.append("path") | |
| .datum(outline) | |
| .attr("class", "outline") | |
| .attr("d", function(d) { return draw(d) + "Z"; }); | |
| d3.json("readme-boundaries.json", function(collection) { | |
| svg.insert("g", ".line") | |
| .attr("class", "boundary") | |
| .selectAll("path") | |
| .data(collection.features) | |
| .enter().append("path") | |
| .attr("d", path); | |
| }); | |
| d3.json("readme-land.json", function(collection) { | |
| svg.insert("g", ".line,.boundary") | |
| .attr("class", "land") | |
| .selectAll("path") | |
| .data(collection.features) | |
| .enter().append("path") | |
| .attr("d", path); | |
| }); | |
| function draw(coordinates) { | |
| return "M" + coordinates.map(projection).join("L"); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment