Tweaking mbostock's example of multiple layers and my earlier version to render SF's buildings and railways.
-
-
Save blech/5953864 to your computer and use it in GitHub Desktop.
SF: buildings & railways
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> | |
| body { | |
| margin: 0; | |
| } | |
| path { | |
| fill: none; | |
| stroke: none; | |
| stroke-linejoin: round; | |
| stroke-linecap: round; | |
| } | |
| .rail { stroke: #ecc; } | |
| .buildings path { stroke: #ccc; stroke-width: 1px; fill: none; } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/d3.geo.tile.v0.min.js"></script> | |
| <script> | |
| var width = Math.max(960, window.innerWidth), | |
| height = Math.max(500, window.innerHeight); | |
| var tiler = d3.geo.tile() | |
| .size([width, height]); | |
| var projection = d3.geo.mercator() | |
| .center([-122.405, 37.79]) | |
| .scale((1 << 23) / 2 / Math.PI) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .call(renderTiles, "highroad") | |
| .call(renderTiles, "buildings"); | |
| function renderTiles(svg, type) { | |
| svg.append("g") | |
| .attr("class", type) | |
| .selectAll("g") | |
| .data(tiler | |
| .scale(projection.scale() * 2 * Math.PI) | |
| .translate(projection([0, 0]))) | |
| .enter().append("g") | |
| .each(function(d) { | |
| var g = d3.select(this); | |
| d3.json("http://" + ["a", "b", "c"][(d[0] * 31 + d[1]) % 3] + ".tile.openstreetmap.us/vectiles-" + type + "/" + d[2] + "/" + d[0] + "/" + d[1] + ".json", function(error, json) { | |
| g.selectAll("path") | |
| .data(json.features.sort(function(a, b) { return a.properties.sort_key - b.properties.sort_key; })) | |
| .enter().append("path") | |
| .attr("class", function(d) { return d.properties.kind; }) | |
| .attr("d", path); | |
| }); | |
| }); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment