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class 3 - states // source http://jsbin.com/bozutezomo
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>class 3 - states</title> | |
| <style> | |
| body { | |
| position: absolute; | |
| margin: 0px; | |
| } | |
| svg { | |
| background-color: none; | |
| } | |
| .info { | |
| font-family: sans-serif; | |
| color: blue; | |
| position: absolute; | |
| top: 450px; | |
| left: 800px; | |
| } | |
| path.quake, circle.quake { | |
| fill: crimson; | |
| fill-opacity: 0.4; | |
| } | |
| path.state { | |
| fill: none; | |
| stroke: #000; | |
| } | |
| path { | |
| fill: none; | |
| stroke: black; | |
| } | |
| </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 data2; | |
| var info = d3.select("body").append("div") | |
| .attr("class", "info"); | |
| var projection = d3.geoAlbersUsa(); | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| // If you use this URL, you won't need your own copy of the data. | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var layer1 = svg.append("g"); | |
| var layer2 = svg.append("g"); | |
| var quakes = "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/2.5_day.geojson"; | |
| var url = "https://umbcvis.github.io/classes/class-03/us.json"; | |
| d3.json(url, plotStates); | |
| d3.json(quakes, plotQuakes); | |
| 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 | |
| layer2.selectAll("path.state") | |
| .data(data) | |
| .enter() | |
| .append("path") | |
| .attr("class", "state") | |
| .attr("d", path) | |
| } | |
| function plotQuakes(error, json) | |
| { | |
| data2 = json; | |
| var features = data2.features; | |
| // Put your code here | |
| // Plot the features | |
| layer1.selectAll("path.quake") | |
| .data(features) | |
| .enter().append("path") | |
| .attr("class", "quake") | |
| .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> | |
| <script id="jsbin-source-html" type="text/html"><!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>class 3 - states</title> | |
| <style> | |
| body { | |
| position: absolute; | |
| margin: 0px; | |
| } | |
| svg { | |
| background-color: none; | |
| } | |
| .info { | |
| font-family: sans-serif; | |
| color: blue; | |
| position: absolute; | |
| top: 450px; | |
| left: 800px; | |
| } | |
| path.quake, circle.quake { | |
| fill: crimson; | |
| fill-opacity: 0.4; | |
| } | |
| path.state { | |
| fill: none; | |
| stroke: #000; | |
| } | |
| path { | |
| fill: none; | |
| stroke: black; | |
| } | |
| </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 data2; | |
| var info = d3.select("body").append("div") | |
| .attr("class", "info"); | |
| var projection = d3.geoAlbersUsa(); | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| // If you use this URL, you won't need your own copy of the data. | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var layer1 = svg.append("g"); | |
| var layer2 = svg.append("g"); | |
| var quakes = "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/2.5_day.geojson"; | |
| var url = "https://umbcvis.github.io/classes/class-03/us.json"; | |
| d3.json(url, plotStates); | |
| d3.json(quakes, plotQuakes); | |
| 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 | |
| layer2.selectAll("path.state") | |
| .data(data) | |
| .enter() | |
| .append("path") | |
| .attr("class", "state") | |
| .attr("d", path) | |
| } | |
| function plotQuakes(error, json) | |
| { | |
| data2 = json; | |
| var features = data2.features; | |
| // Put your code here | |
| // Plot the features | |
| layer1.selectAll("path.quake") | |
| .data(features) | |
| .enter().append("path") | |
| .attr("class", "quake") | |
| .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> | |
| </script> | |
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