This map is rendered dynamically using d3.js with topoJSON data from the us-atlas.
A simple vector map of Vermont's Counties.
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .county-boundary { | |
| fill: none; | |
| stroke: #777; | |
| stroke-dasharray: 2,2; | |
| stroke-linejoin: round; | |
| } | |
| .state-boundary { | |
| fill: none; | |
| stroke: none; | |
| stroke-linejoin: round; | |
| } | |
| text { | |
| font-family: helvetica; | |
| fill: black; | |
| font-weight: 300; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 700; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var projection = d3.geo.mercator() | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| d3.json("vt-counties.json", function(error, vt) { | |
| var vermont = topojson.feature(vt, vt.objects.counties); | |
| projection | |
| .scale(1) | |
| .translate([0, 0]); | |
| var b = path.bounds(vermont), | |
| s = .95 / Math.max((b[1][0] - b[0][0]) / width, (b[1][1] - b[0][1]) / height), | |
| t = [(width - s * (b[1][0] + b[0][0])) / 2, (height - s * (b[1][1] + b[0][1])) / 2]; | |
| projection | |
| .scale(s) | |
| .translate(t); | |
| svg.selectAll(".counties") | |
| .data(topojson.feature(vt, vt.objects.counties).features) | |
| .enter().append("path") | |
| .attr("class", function(d) {return "county " + d.properties.name;}) | |
| .attr("d", path) | |
| .style("fill", "white") | |
| .transition() | |
| .duration(3000) | |
| .style("fill", "#ddc"); | |
| svg.append("path") | |
| .datum(topojson.mesh(vt, vt.objects.counties, function(a, b){return a !== b; })) | |
| .attr("d", path) | |
| .attr("class", "county-boundary"); | |
| svg.selectAll(".county-label") | |
| .data(topojson.feature(vt, vt.objects.counties).features) | |
| .enter().append("text") | |
| .attr("transform", function(d) { return "translate(" + path.centroid(d) + ")"; }) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.properties.name; }) | |
| .style("font-size", "0px") | |
| .transition() | |
| .delay(3500) | |
| .style("font-size", "12px"); | |
| }); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment