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us_map.html
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us_map.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<!-- Insert this line above script imports -->
<script>if (typeof module === 'object') {window.module = module; module = undefined;}</script>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="https://cdn.socket.io/socket.io-1.2.0.js"></script>
<script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
<!-- Insert this line after script imports -->
<script>if (window.module) module = window.module;</script>
<style type="text/css">
body {
font: 12px sans-serif;
overflow:hidden;
padding:0;
margin:0;
background-color: black;
}
svgdiv {
width: 100%;
height: 100%;
}
svg {
max-height: 100%;
}
center {
padding:0;
margin:0;
}
/* On mouse hover, lighten state color */
path:hover {
fill-opacity: .7;
}
/* Style for Custom Tooltip */
div.tooltip {
position: absolute;
text-align: center;
width: 60px;
height: 28px;
padding: 2px;
font: 12px sans-serif;
background: white;
border: 0px;
border-radius: 8px;
pointer-events: none;
}
/* Legend Font Style */
body {
font: 11px sans-serif;
}
/* Legend Position Style */
.legend {
position:absolute;
left:800px;
top:350px;
}
</style>
</head>
<body>
<script type="text/javascript">
/* This visualization was made possible by modifying code provided by:
Scott Murray, Choropleth example from "Interactive Data Visualization for the Web"
https://github.com/alignedleft/d3-book/blob/master/chapter_12/05_choropleth.html
Mike Bostock, Pie Chart
http://bl.ocks.org/mbostock/3888852 */
var socket = io.connect('http://sociamvm-app-001.ecs.soton.ac.uk:3705');
var tweetdata = [];
var geocoder = null;
//Width and height of map
var width = window.innerWidth;
var height = window.innerHeight;
var cx = width/2;
var cy = height/2;
console.log("####width##", width);
console.log("####height##", height);
//var width = 480;960
//var height = 250;500
//width and height of pie chart
/*
var p_width = 960,
p_height = 500,
radius = Math.min(p_width, p_height) / 2; */
var minsize = Math.min(window.innerWidth, window.innerHeight),
radius = (minsize) / 2,
outerRadius = (minsize) / 2;
var map_scale = 900;
var innerRadius = outerRadius - 40;
if(width == 1920 && height == 1080)
{
innerRadius = outerRadius - 120;
map_scale = 1000
}
// D3 Projection
var projection = d3.geo.albersUsa()
.translate([width/2, height/2]) // translate to center of screen
.scale([map_scale]); // scale things down so see entire US 1000
// Define path generator
var path = d3.geo.path() // path generator that will convert GeoJSON to SVG paths
.projection(projection); // tell path generator to use albersUsa projection
// Define linear scale for output
var color = d3.scale.threshold()
.domain([-30, -10, -1, 1, 10, 30])
.range(["#f22b2b", "#f96b6b", "#f7adad","#f9f7f7","#bbcef7", "#6995f4", "#2265f7"]);
//SVG element for pie chart
var arc = d3.svg.arc()
.outerRadius(outerRadius)
.innerRadius(innerRadius);//radius - 50
//.translate([width/2, height/2])
var pie = d3.layout.pie()
/*
.sort(function (a, b) {
if (a.poll > b.poll) {
return 1;
}
if (a.poll < b.poll) {
return -1;
}
// a must be equal to b
return 0;
})*/
.sort(null)
.value(function(d) { return d.votes; });
//Create SVG element and append map to the SVG
var svg = d3.select("body")
.append("center")
.append("svg")
.attr("width", width)
.attr("height", height);
// Append Div for tooltip to SVG
var div = d3.select("body")
.append("div")
.attr("class", "tooltip")
.style("opacity", 0);
// Load in my states data!
//state_votes.csv
var newdata = [];
d3.csv("data/state_votes.csv",type, function(state_name) {
d3.json("data/pollyvote-state.json", function(state_d) {
//color.domain([0,1,2,3]); // setting the range of the input data
var data = state_d.data;
//add full name to each state
console.log("####SIZE OF state_name data ####", state_name.length);
for (var i = 0; i < state_name.length; i++) {
var state_ab = state_name[i].abbreviation;
var state = state_name[i].state;
var votes = +state_name[i].votes;
for (var j = 0; j < data.length; j++) {
var csvState = data[j].state;
if (state_ab == csvState) {
data[j].fullName = state;
data[j].votes = votes;
break;
}
}
}
// Load GeoJSON data and merge with states data
d3.json("data/us_state.json", function(json) {
// Loop through each state data value in the .csv file
for (var i = 0; i < data.length; i++) {
// Grab State Name
var dataState = data[i].fullName;
var data_ab = data[i].state;
var dem = data[i].fcdemvs;
var rep = data[i].fcrepvs;
var votes = data[i].votes;
// Grab data value
var dataValue = dem - rep;
data[i].poll = dataValue;
// Find the corresponding state inside the GeoJSON
for (var j = 0; j < json.features.length; j++) {
var jsonState = json.features[j].properties.NAME;
if (dataState == jsonState) {
// Copy the data value into the JSON
json.features[j].properties.poll = dataValue;
json.features[j].properties.votes = votes;
console.log("####On dataState ####", dataState);
console.log("####On votes ####", votes);
console.log("####On dataValue poll####", dataValue);
newdata.push({ab: data_ab, votes: votes, name: dataState, poll: dataValue});
// Stop looking through the JSON
break;
}
}
}
// Bind the data to the SVG and create one path per GeoJSON feature
svg.selectAll("path")
.data(json.features)
.enter()
.append("path")
.attr("d", path)
.style("stroke", "#fff")
.style("stroke-width", "1")
.style("fill", function(d) {
// Get data value
var value = d.properties.poll;
var name = d.properties.NAME;
if (value) {
//If value exists…
var fill = color(value);
return fill;
} else {
//If value is undefined…
return "rgb(213,222,217)";
}
})
.on("click", function(d){
// get current state and return geo tag information
console.log("####On Click of State of ####", d.properties.NAME);
findAddress(d.properties.NAME);
})
.on("mouseover", function(d) {
div.transition()
.duration(200)
.style("opacity", .9);
div.text(d.properties.NAME)
.style("left", (d3.event.pageX) + "px")
.style("top", (d3.event.pageY - 28) + "px");
})
// fade out tooltip on mouse out
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
});
newdata = newdata.sort(function (a, b) {
if (a.poll > b.poll) {
return 1;
}
if (a.poll < b.poll) {
return -1;
}
// a must be equal to b
return 0;
});
console.log("####SIZE OF DATA ####", data.length);
console.log("####SIZE OF newDATA ####", newdata.length);
//draw pie chart
var g = svg.selectAll(".arc")
.data(pie(newdata))
.enter().append("g")
.attr("class", "arc").attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
//.attr("transform","translate(480, 250)");
g.append("path")
.attr("d", arc)
.style("fill", function(d) { return color(d.data.poll); });
g.append("text")
.attr("transform", function(d) { return "translate(" + arc.centroid(d) + ")"; })
.attr("dy", ".35em")
.text(function(d) { return d.data.ab; });
d3.json("data/geoback.json", function(tweets) {
//socket.on('map_tweet', function (dd) {
console.log("####LOAD MAP Tweet size####", tweets.length);
for(var i=0; i<tweets.length; i++) {
var dd = tweets[i];
if(dd.geo != undefined){
var lat = dd.geo.coordinates[0];
var lng = dd.geo.coordinates[1];
if (projection([lng, lat])!== null){
//console.log("LAT and LONG",lat,lng);
tweetdata.push({lon: lng, lat: lat, text: dd.text, poll: dd.poll});
}
}
}
console.log("####GEO TWEETS####", tweetdata.length);
//d3.csv("cities-lived.csv", function(data) {
//}
svg.selectAll("circle")
.data(tweetdata)
.enter()
.append("circle")
.attr("cx", function(d) {
//return projection([d.lon, d.lat])[0];
return projection([d.lon, d.lat])[0];
})
.attr("cy", function(d) {
return projection([d.lon, d.lat])[1];
})
.attr("r", 2)
.style("fill", function(d) {
// Get data value
var value = d.poll;
if (value == "dem") {
//If value exists…
return "rgb(0,0,128)";
} else {
//If value is rep…
return "rgb(255,0,0)";
}
})
.style("opacity", 0.75)
// Modification of custom tooltip code provided by Malcolm Maclean, "D3 Tips and Tricks"
// http://www.d3noob.org/2013/01/adding-tooltips-to-d3js-graph.html
.on("mouseover", function(d) {
div.transition()
.duration(200)
.style("opacity", .9);
div.text(d.text)
.style("left", (d3.event.pageX) + "px")
.style("top", (d3.event.pageY - 28) + "px");
})
// fade out tooltip on mouse out
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
});
});
//socket.emit("map_load","");
console.log("listen to steam");
//listen to steam
socket.on('map_tweet', function (dd) {
console.log("####tweet text####", dd.text);
if(dd.geo != undefined){
var lat = dd.geo.coordinates[0];
var lng = dd.geo.coordinates[1];
console.log("LAT and LONG",lat,lng);
tweetdata.push({lon: lng, lat: lat, text: dd.text, poll: dd.poll});
}
console.log("####GEO TWEETS####", tweetdata.length);
//d3.csv("cities-lived.csv", function(data) {
//}
svg.selectAll("circle")
.data(tweetdata)
.enter()
.append("circle")
.attr("cx", function(d) {
//return projection([d.lon, d.lat])[0];
return projection([d.lon, d.lat])[0];
})
.attr("cy", function(d) {
return projection([d.lon, d.lat])[1];
})
.attr("r", 2)
.style("fill", function(d) {
// Get data value
var value = d.poll;
if (value == "dem") {
//If value exists…
return "rgb(0,0,128)";
} else {
//If value is rep…
return "rgb(255,0,0)";
}
})
.style("opacity", 0.75)
// Modification of custom tooltip code provided by Malcolm Maclean, "D3 Tips and Tricks"
// http://www.d3noob.org/2013/01/adding-tooltips-to-d3js-graph.html
.on("mouseover", function(d) {
div.transition()
.duration(200)
.style("opacity", .9);
div.text(d.text)
.style("left", (d3.event.pageX) + "px")
.style("top", (d3.event.pageY - 28) + "px");
})
// fade out tooltip on mouse out
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
});
});
// Modified Legend Code from Mike Bostock: http://bl.ocks.org/mbostock/3888852
/*
var legend = d3.select("body").append("svg")
.attr("class", "legend")
.attr("width", 140)
.attr("height", 200)
.selectAll("g")
.data(color.domain().slice().reverse())
.enter()
.append("g")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
legend.append("rect")
.attr("width", 18)
.attr("height", 18)
.style("fill", color);
legend.append("text")
.data(legendText)
.attr("x", 24)
.attr("y", 9)
.attr("dy", ".35em")
.text(function(d) { return d; });
//end?
*/
});
});
});
function type(d) {
d.votes = +d.votes;
//d.poll = +d.poll;
return d;
}
function initialize() {
geocoder = new google.maps.Geocoder();
//findAddress("United States");
}
function findAddress(state) {
var address = "State of " + state;
var twitD = {};
if ((address != '') && geocoder) {
geocoder.geocode({
'address': address
}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK) {
if (status != google.maps.GeocoderStatus.ZERO_RESULTS) {
if (results && results[0] && results[0].geometry && results[0].geometry.viewport && results[0].geometry.location)
// r = radius of the earth in statute miles
var r = 3963.0;
/*
console.log("location", results[0].geometry.location);
console.log("geo", results[0].geometry);
console.log("viewport", results[0].geometry.viewport);
console.log("bounds.northeast", results[0].geometry.viewport.northeast);
*/
//bounds
//center
var lat1 = results[0].geometry.location.lat() / 57.2958;
var lon1 = results[0].geometry.location.lng() / 57.2958;
//northeast corner;
var lat2 = results[0].geometry.viewport.getNorthEast().lat() / 57.2958;
var lon2 = results[0].geometry.viewport.getNorthEast().lng() / 57.2958;
// distance = circle radius from center to Northeast corner of bounds
var dis = r * Math.acos(Math.sin(lat1) * Math.sin(lat2) + Math.cos(lat1) * Math.cos(lat2) * Math.cos(lon2 - lon1));
twitD.lat = results[0].geometry.location.lat();
twitD.lng = results[0].geometry.location.lng();
twitD.dis = dis;
console.log("Bound changed to state of ", state);
//console.log("zoom", zoom);
console.log("center lat", twitD.lat);
console.log("center long", twitD.lng);
socket.emit("update_dis",twitD);
state = state.replace(/\s+/g, '-').toLowerCase();
socket.emit("update_state",state);
} else {
alert("No results found");
}
} else {
alert("Geocode was not successful for the following reason: " + status);
}
});
}
}
</script>
</body>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyDhm1qNyoXWr4sVC7_hnTD4T4yYdIMBNsM&libraries=visualization&callback=initialize">
</script>
</html>