pbogden/README.md

## README.md

      
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              README.md
            
          
    Template for countries.

  
## countries.json

      
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              countries.json
            
          
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## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<title>umbc countries</title>
<style>

body {
  position: absolute;
  margin: 0px;
}

svg {
  background-color: #4682b4;
}

.info {
  font-family: sans-serif;
  color: #000;
  position: absolute;
  top: 450px;
  left: 50px;
}

path {
  fill: #555555;
  stroke: #aaaaaa;
}

</style>

<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script>

<body>
<script>

var width = 960, height = 500;

var data;  // declare a global variable

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

var info = d3.select("body").append("div")
    .attr("class", "info");

var projection = d3.geo.mercator();

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

// If you use this URL, you won't need your own copy of the data.
var url = "https://gist.githubusercontent.com/pbogden/8c6bcd912f9edebab99d/raw/countries.json"

d3.json(url, plotCountries);

function plotCountries(error, json) {

  // Create array of GeoJSON features -- this defines the global variable "data"
  data = json.objects.ne_50m_admin_0_countries.geometries
      .map(function(d) { return topojson.feature(json, d); });

  // Put your code here

  // Plot the features
  layer.selectAll("path")
      .data(data)
    .enter()
      .append("path")
      .attr("d", path);
}

function mousemoved() {
  info.text(formatLocation(projection.invert(d3.mouse(this)), projection.scale()));
}

function formatLocation(p, k) {
  var format = d3.format("." + Math.floor(Math.log(k) / 2 - 2) + "f");
  return (p[1] < 0 ? format(-p[1]) + "°S" : format(p[1]) + "°N") + " "
       + (p[0] < 0 ? format(-p[0]) + "°W" : format(p[0]) + "°E");
}
</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>umbc countries</title>
	<style>

	body {
	position: absolute;
	margin: 0px;
	}

	svg {
	background-color: #4682b4;
	}

	.info {
	font-family: sans-serif;
	color: #000;
	position: absolute;
	top: 450px;
	left: 50px;
	}

	path {
	fill: #555555;
	stroke: #aaaaaa;
	}

	</style>

	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script>

	<body>
	<script>

	var width = 960, height = 500;

	var data; // declare a global variable

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

	var info = d3.select("body").append("div")
	.attr("class", "info");

	var projection = d3.geo.mercator();

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

	// If you use this URL, you won't need your own copy of the data.
	var url = "https://gist.githubusercontent.com/pbogden/8c6bcd912f9edebab99d/raw/countries.json"

	d3.json(url, plotCountries);

	function plotCountries(error, json) {

	// Create array of GeoJSON features -- this defines the global variable "data"
	data = json.objects.ne_50m_admin_0_countries.geometries
	.map(function(d) { return topojson.feature(json, d); });

	// Put your code here

	// Plot the features
	layer.selectAll("path")
	.data(data)
	.enter()
	.append("path")
	.attr("d", path);
	}

	function mousemoved() {
	info.text(formatLocation(projection.invert(d3.mouse(this)), projection.scale()));
	}

	function formatLocation(p, k) {
	var format = d3.format("." + Math.floor(Math.log(k) / 2 - 2) + "f");
	return (p[1] < 0 ? format(-p[1]) + "°S" : format(p[1]) + "°N") + " "
	+ (p[0] < 0 ? format(-p[0]) + "°W" : format(p[0]) + "°E");
	}
	</script>