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redistricting-morpher-nc-senate
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| license: mit | |
| border: no | |
| height: 60 |
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-width: 1px; | |
| stroke: #444; | |
| } | |
| text { | |
| font: bold 64px Libre Franklin, sans-serif; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/d3-color.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-interpolate.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-array.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-geo.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-queue.v3.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/queue-async/1.0.7/queue.min.js"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var colors = d3.schemeSet3; | |
| d3.shuffle(colors); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width",width) | |
| .attr("height",height); | |
| var projection = d3.geoConicConformal() | |
| .parallels([34 + 20 / 60, 36 + 10 / 60]) | |
| .rotate([79, -33 - 45 / 60]) | |
| .scale(6102.002295938357) | |
| .translate([570.5880508434078,431.7927213940179]); | |
| var path = d3.geoPath(projection); | |
| queue() | |
| .defer(d3.json,"old.geojson") | |
| .defer(d3.json,"new.geojson") | |
| .await(function(err,oldDistricts,newDistricts){ | |
| var combined = oldDistricts.features.map(function(d,i){ | |
| return [d,newDistricts.features[i]].map(path); | |
| }); | |
| var districts = svg.selectAll("path") | |
| .data(combined) | |
| .enter() | |
| .append("path") | |
| .attr("d",next) | |
| .style("fill",function(d,i){ | |
| return colors[i % 8]; | |
| }); | |
| var label = svg.append("text") | |
| .datum(["Old","New"]) | |
| .text(next) | |
| .attr("x",300) | |
| .attr("y",400); | |
| morph(); | |
| function morph() { | |
| districts.transition() | |
| .duration(3200) | |
| .attr("d",next) | |
| .on("end",function(d,i){ | |
| if (i === combined.length - 1) { | |
| morph(); | |
| } | |
| }); | |
| label.transition() | |
| .duration(0) | |
| .delay(3200 / 2) | |
| .on("end",function(){ | |
| label.text(next); | |
| }); | |
| } | |
| }); | |
| function next(d) { | |
| return d.reverse()[1]; | |
| } | |
| </script> |
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