MTClass/index.html

## index.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>class 3 - states</title>
<style>
body {
  position: absolute;
  margin: 0px;
}
svg {
  background-color: #4682b4;
}
.info {
  font-family: sans-serif;
  color: #000;
  position: absolute;
  top: 450px;
  left: 800px;
}
path {
  fill: #555555;
  stroke: #aaaaaa;
}
</style>

<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/topojson.v2.min.js"></script>

<body>
<script>
var width = 960, height = 500;
var data;  // declare a global variable
var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
    .on("mousemove", mousemoved);
var layer = svg.append('g');
var layer2 = svg.append('g');
var info = d3.select("body").append("div")
    .attr("class", "info");
var projection = d3.geoAlbersUsa();
var path = d3.geoPath()
    .projection(projection);

var pathQuake = d3.geoPath()
    .pointRadius(5)
    .projection(projection);
var usgs = "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson";
  d3.json(usgs, plotQuakes);
  function plotQuakes(error, data) {
  if (error) console.log(error);

  // Filter the small earthquakes
  var features = data.features;
  // Plot the earthquakes
  layer2.selectAll("path.quake")
      .data(features)
    .enter().append("path")
      .attr("class", "quake")
  .style('fill','crimson')
      .attr("d", path)
}

// If you use this URL, you won't need your own copy of the data.
var url = "https://umbcvis.github.io/classes/class-03/us.json"


d3.json(url, plotStates);
function plotStates(error, json) {
  // Create array of GeoJSON features -- this defines the global variable "data"
  data = json.objects.us.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>

	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>class 3 - states</title>
	<style>
	body {
	position: absolute;
	margin: 0px;
	}
	svg {
	background-color: #4682b4;
	}
	.info {
	font-family: sans-serif;
	color: #000;
	position: absolute;
	top: 450px;
	left: 800px;
	}
	path {
	fill: #555555;
	stroke: #aaaaaa;
	}
	</style>

	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script src="https://d3js.org/topojson.v2.min.js"></script>

	<body>
	<script>
	var width = 960, height = 500;
	var data; // declare a global variable
	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height)
	.on("mousemove", mousemoved);
	var layer = svg.append('g');
	var layer2 = svg.append('g');
	var info = d3.select("body").append("div")
	.attr("class", "info");
	var projection = d3.geoAlbersUsa();
	var path = d3.geoPath()
	.projection(projection);

	var pathQuake = d3.geoPath()
	.pointRadius(5)
	.projection(projection);
	var usgs = "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson";
	d3.json(usgs, plotQuakes);
	function plotQuakes(error, data) {
	if (error) console.log(error);

	// Filter the small earthquakes
	var features = data.features;
	// Plot the earthquakes
	layer2.selectAll("path.quake")
	.data(features)
	.enter().append("path")
	.attr("class", "quake")
	.style('fill','crimson')
	.attr("d", path)
	}

	// If you use this URL, you won't need your own copy of the data.
	var url = "https://umbcvis.github.io/classes/class-03/us.json"





	d3.json(url, plotStates);
	function plotStates(error, json) {
	// Create array of GeoJSON features -- this defines the global variable "data"
	data = json.objects.us.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>