phil-pedruco · January 2, 2016 21:29
diff --git a/readme.md b/readme.md
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diff --git a/index.html b/index.html
 <html>
 <head>

 <style type="text/css">
 #states {
  fill: #aaa;
 }
 </style>

 <script src="d3.min3.1.5.js"></script>

 </head>
 <body>
    
 </body>

 <script type="text/javascript">

 var width = 960,
    height = 500;

 var projection = d3.geo.albersUsa();
    
 var path = d3.geo.path()
    .projection(projection);

 var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

 var map = svg.append("g").attr("id", "states");
 var points = svg.append("g").attr("id", "circles");
 var vor = svg.append("g").attr("id", "paths");
 var voronoi = d3.geom.voronoi()
    .x(function(d) { return (d.coords[0]); })
    .y(function(d) { return (d.coords[1]); });

 d3.csv("us-cities1.csv", function (cities) {
 	d3.json("us-states.json", function(error, states) {
  	
  	var locCities = [];
  	// create array of co-ordinates for Voronoi
  	cities.forEach(function (d,i) {
  		var element = { 
  				coords: projection([+d.lon, +d.lat]),
  				place: d.place,
  				rank: d.rank,
  				population: d.population
  			};
  		locCities.push(element);
  	});

  	// Create map using geojson
    map.selectAll("path")
      	.data(states.features)
      .enter().append("path")
      	.attr("d", path);

    // Place circles on map for reference
  	points.selectAll("circle")
        .data(locCities).enter()
      .append("circle")
      	.attr("id", function (d,i) { return d.place; }) // to confirm correct city allocated to title (note the csv file seems to have some dodgy co-ordinates)
        .attr("cx", function (d,i) { return d.coords[0]; })
        .attr("cy", function (d,i) { return d.coords[1]; })
        .attr("r", "6px")
        .style("fill", "red");

    // Code based on http://bl.ocks.org/njvack/1405439
    // Create Voronoi polygons and add title attribute for tooltip
  	vor.selectAll("path")
      	.data(voronoi(locCities))
      .enter().append("path")
      	.attr("d", function(d) { return "M" + d.join(",") + "Z"; })
      	.style("fill", "white") // polygons need a fill so the titles work
      	.style('fill-opacity', 0) // set to 0 to 'hide' from view
      	.style("stroke", "none") // set to none to 'hide' from view
      .append("title") // using titles instead of tooltips 
      	.text(function (d,i) { return d.point.place + " ranked " + d.point.rank; });

    });

  });

 </script>

 </html>
diff --git a/us-cities1.csv b/us-cities1.csv
diff --git a/us-states.json b/us-states.json
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 ]}
	<html>
	<head>

	<style type="text/css">
	#states {
	fill: #aaa;
	}
	</style>

	<script src="d3.min3.1.5.js"></script>

	</head>
	<body>

	</body>

	<script type="text/javascript">

	var width = 960,
	height = 500;

	var projection = d3.geo.albersUsa();

	var path = d3.geo.path()
	.projection(projection);

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height);

	var map = svg.append("g").attr("id", "states");
	var points = svg.append("g").attr("id", "circles");
	var vor = svg.append("g").attr("id", "paths");
	var voronoi = d3.geom.voronoi()
	.x(function(d) { return (d.coords[0]); })
	.y(function(d) { return (d.coords[1]); });

	d3.csv("us-cities1.csv", function (cities) {
	d3.json("us-states.json", function(error, states) {

	var locCities = [];
	// create array of co-ordinates for Voronoi
	cities.forEach(function (d,i) {
	var element = {
	coords: projection([+d.lon, +d.lat]),
	place: d.place,
	rank: d.rank,
	population: d.population
	};
	locCities.push(element);
	});

	// Create map using geojson
	map.selectAll("path")
	.data(states.features)
	.enter().append("path")
	.attr("d", path);

	// Place circles on map for reference
	points.selectAll("circle")
	.data(locCities).enter()
	.append("circle")
	.attr("id", function (d,i) { return d.place; }) // to confirm correct city allocated to title (note the csv file seems to have some dodgy co-ordinates)
	.attr("cx", function (d,i) { return d.coords[0]; })
	.attr("cy", function (d,i) { return d.coords[1]; })
	.attr("r", "6px")
	.style("fill", "red");

	// Code based on http://bl.ocks.org/njvack/1405439
	// Create Voronoi polygons and add title attribute for tooltip
	vor.selectAll("path")
	.data(voronoi(locCities))
	.enter().append("path")
	.attr("d", function(d) { return "M" + d.join(",") + "Z"; })
	.style("fill", "white") // polygons need a fill so the titles work
	.style('fill-opacity', 0) // set to 0 to 'hide' from view
	.style("stroke", "none") // set to none to 'hide' from view
	.append("title") // using titles instead of tooltips
	.text(function (d,i) { return d.point.place + " ranked " + d.point.rank; });

	});

	});

	</script>

	</html>
rank	place	population	lat	lon
14	San Francisco city	805235	28.371795	-82.187909
13	Austin city	790390	28.973405	-95.961284
36	Long Beach city	462257	29.748022	-94.827603
11	Jacksonville city	821784	30.2887	-81.391794
38	Mesa city	439041	30.686452	-97.700842
6	Phoenix city	1445632	32.46764	-85.000823
23	Denver city	600158	32.96438	-102.829919
2	Los Angeles city	3792621	34.05349	-118.245323
32	Albuquerque city	545852	35.084179	-106.648643
20	Memphis city	646889	35.149681	-90.04892
47	Cleveland city	396815	36.640475	-82.582569
39	Virginia Beach city	437994	36.767408	-76.047707
5	Philadelphia city	1526006	37.15477	-94.486114
49	Wichita city	382368	37.686981	-97.335579
40	Atlanta city	420003	37.691375	-122.454979
16	Fort Worth city	741206	38.0016	-89.066334
46	Oakland city	390724	38.334108	-87.345139
34	Fresno city	494665	38.645741	-77.321863
25	Washington city	601723	38.899101	-77.028999
35	Sacramento city	466488	38.915291	-121.594651
45	Tulsa city	391906	39.095215	-121.613384
17	Charlotte city	731424	39.09931	-76.817799
24	Baltimore city	620961	39.284664	-76.62022
12	Indianapolis city (balance)	820445	39.766911	-86.149963
41	Colorado Springs city	416427	40.17676	-75.547839
31	Las Vegas city	583756	40.4879	-85.609999
9	Dallas city	1197816	40.636	-91.168309
1	New York city	8175133	40.71455	-74.007124
42	Raleigh city	403892	41.132609	-73.977405
43	Omaha city	408958	41.260689	-95.94059
50	Arlington city	365438	41.29525	-88.25278
4	Houston city	2099451	41.337462	-75.733627
18	Detroit city	713777	42.408871	-83.002647
28	Milwaukee city	594833	43.041809	-87.906837
48	Minneapolis city	382578	44.979031	-93.264931
3	Chicago city	2695598	45.37399	-92.888759