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16_isolines.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DSI Data Viz</title>
<style type="text/css">
body {
font-family: 'Helvetica', sans-serif;
margin: 0;
padding: 0;
}
h2.section {
font-size: 350%;
border-bottom: 1px solid #DDDDDD;
margin-bottom: 0.5em;
font-weight: bold;
}
#header img {
display: block;
margin: 0 auto;
}
#sidebar {
xbackground: rgba(255,255,255,0.2);
width: 200px;
height: 100%;
position: absolute;
top: 100px;
left: 0px;
box-sizing: border-box;
padding: 1em;
color: #333;
}
#sidebar h1 {
margin: 0 0 1em 0;
padding: 0;
font-size: 150%;
color: #333;
color: rgba(253,115,81,0.95);
color: #333;
}
#sidebar a {
display: block;
width: 40%;
float: left;
font-size: 70%;
text-align: center;
color: #FFF;
text-decoration: none;
background: rgba(253,115,81,0.95);
background: #333;
xbackground: rgba(0,0,0,0.5);
margin: 0 0.65em 0.5em 0;
border-radius: 5px;
padding: 1em 0.5em;
font-weight: bold;
line-height: 180%;
}
#charts {
margin: 0;
}
#charts svg {
}
text.label {
font-size: 70%;
text-anchor: end;
}
text.value {
font-size: 90%;
text-anchor: start;
}
text.title {
font-size: 5%;
text-anchor: start;
}
</style>
<script type='text/javascript' src='lib/d3.v3.min.js'></script>
<script type='text/javascript' src='lib/q.min.js'></script>
<script type='text/javascript' src="js/SPARQL.js"></script>
<script type="text/javascript">
var SPARQL_URL = 'http://data.digitalsocial.eu/sparql.json?utf8=✓&query=';
var ds = new SPARQLDataSource(SPARQL_URL);
var useCache = true;
var allResults;
function init() {
if (useCache && localStorage['data_16']) {
allResults = JSON.parse(localStorage['data_16']);
buildViz(allResults);
}
else {
localStorage['data_16'] = '';
ds.query()
.prefix('o:', '<http://www.w3.org/ns/org#>')
.prefix('rdfs:', '<http://www.w3.org/2000/01/rdf-schema#>')
.prefix('geo:', '<http://www.w3.org/2003/01/geo/wgs84_pos#>')
.prefix('vcard:', '<http://www.w3.org/2006/vcard/ns#>')
.prefix('ds:', '<http://data.digitalsocial.eu/def/ontology/>')
.select('?org ?label ?long ?lat ?country ?city ?org_type ?tf ?activity_label')
.where('?org', 'a', 'o:Organization')
.where('?org', 'ds:organizationType', '?org_type')
.where('?org', 'rdfs:label', '?label')
.where('?org', 'o:hasPrimarySite', '?org_site')
.where('?org_site', 'geo:long', '?long')
.where('?org_site', 'geo:lat', '?lat')
.where('?org_site', 'o:siteAddress', '?org_address')
.where('?org_address', 'vcard:country-name', '?country')
.where('?org_address', 'vcard:locality', '?city')
.where("?am", "a", "ds:ActivityMembership")
.where("?am", "ds:organization", "?org")
.where("?am", "ds:activity", "?activity")
.where("?activity", "rdfs:label", "?activity_label")
.where("?activity", "ds:technologyMethod", "?tm")
.where("?activity", "ds:technologyFocus", "?tf")
.execute().then(function(results) {
setTimeout(function() {
var orgHashMap = {};
results.forEach(function(org) {
if (!orgHashMap[org.org.value]) {
orgHashMap[org.org.value] = org;
orgHashMap[org.org.value].activities = [];
}
var orgData = orgHashMap[org.org.value];
orgData.activities.push({
label: org.activity_label.value,
technologyFocus: org.tf.value
});
})
var groupedResults = [];
for(var orgId in orgHashMap) {
groupedResults.push(orgHashMap[orgId]);
}
localStorage['data_16'] = JSON.stringify(groupedResults);
allResults = groupedResults;
buildViz(allResults);
}, 1);
}
);
}
}
window.onload = init;
var svg;
function buildViz(results, hue) {
hue = hue || 229;
console.log('buildViz', results.length);
var w = window.innerWidth;
var h = window.innerHeight - 100;
d3.select('#sidebar').style('height', h + 'px');
var longitude = d3.scale.linear().domain([-20, 30]).range([0, w]);
var latitude = d3.scale.linear().domain([65, 30]).range([0, h]);
results.forEach(function(org) {
org.x = longitude(org.long.value);
org.y = latitude(org.lat.value);
})
if (!svg) {
svg = d3.select('#charts')
.append('svg')
.attr('width', w)
.attr('height', h);
svg.append('rect')
.attr('fill', '#FEE087')
.attr('class', 'bg')
.attr('x', 0)
.attr('y', 0)
.attr('width', w)
.attr('height', h);
}
var cities = [];
var cityInfo = {};
var orgTypes = [];
results.forEach(function(org) {
var type = org.org_type.value;
var city = org.city.value;
if (orgTypes.indexOf(type) == -1) orgTypes.push(type);
if (!cityInfo[city]) {
cityInfo[city] = { name: city, lat: 0, long:0, organizations: [] };
cities.push(cityInfo[city]);
}
cityInfo[city].organizations.push(org);
cityInfo[city].lat += Number(org.lat.value);
cityInfo[city].long += Number(org.long.value);
});
cities.forEach(function(city) {
city.lat /= city.organizations.length;
city.long /= city.organizations.length;
if (city.name == 'London') {
}
else {
//city.lat = 9999;
}
});
function hsla(h, s, l, a) {
return 'hsla(' + h + ',' + 100 * s + '%,' + 100 * l + '%,' + a + ')';
}
var circles = svg.selectAll('circle.org').data(results)
circles.enter()
.append('circle')
.attr('class', 'org')
.attr('r', 0)
circles
.transition()
.duration(300)
.attr('cx', function(org) {
var city = cityInfo[org.city.value];
return longitude(city.long);
})
.attr('cy', function(org) {
var city = cityInfo[org.city.value];
return latitude(city.lat);
})
.attr('fill', function(org) {
var typeIndex = orgTypes.indexOf(org.org_type.value);
//return hsla(typeIndex/orgTypes.length*360 + 50, 0.8, 0.6, 0.12)
return hsla(hue, 0.52, 0.6, 0.29)
return '#7A92FD'
})
.attr('r', function(org) {
var city = cityInfo[org.city.value];
return 5 + Math.pow(city.organizations.length, 0.8);
})
circles.exit().transition().duration(300).attr('r', 0).remove()
buildIsoLines(results, svg, longitude, latitude, hsla(hue, 0.52, 0.6, 0.29));
}
//gen random points
//triangulate
//count number of nearby projects
//grow circle accordingly
//? uniform triangulation
function buildIsoLines(results, svg, longitude, latitude, color) {
var w = window.innerWidth;
var h = window.innerHeight;
var randomPoints;
var numPoints = 4000;
if (localStorage['randomPoints'] && localStorage['randomPoints'] != 'null') {
randomPoints = JSON.parse(localStorage['randomPoints']);
if (randomPoints.length != numPoints) {
randomPoints = null;
}
}
if (!randomPoints) {
var d = 30;
randomPoints = d3.range(0, numPoints).map(function(i) {
//return [ 200 + Math.random() * (w - 200), Math.random() * h, 1];
//return [ 200 + Math.random() * (w - 200), Math.random() * h, 1];
return [ 200 + (i % d)/d * (w - 200), Math.floor(i / d)/d * h, 1];
});
localStorage['randomPoints'] = JSON.stringify(randomPoints);
}
var minR = 100;
var minR2 = minR * minR;
randomPoints.forEach(function(p) {
results.forEach(function(org) {
var dx = p[0] - org.x;
var dy = p[1] - org.y;
if (dx*dx + dy*dy < minR2) {
p[2]++;
}
})
})
var points = svg.selectAll('circle.triPoint').data(randomPoints);
points.enter()
.append('circle')
.attr('class', 'triPoint')
.style('fill', 'rgba(255,0,0,0.2)');
points.exit().remove()
points
.attr('cx', function(d) { return d[0]; })
.attr('cy', function(d) { return d[1]; })
.attr('r', function(d) { return Math.pow(d[2], 0.7); })
//.style('display', 'none');
var triangles = d3.geom.delaunay(randomPoints);
var toArrayOfPoints = function(p) { return [p[0], p[1]]; };
var linePoints = [];
function sections(p1, p2, mod) {
var val1 = p1[2];
var val2 = p2[2];
if (val1 < val2) {
var start = Math.ceil(val1 / mod) * mod;
var dist = val2 - val1;
var results = [];
for(var v = start; v <= val2; v += mod) {
var ratio = (val1 == val2) ? 0 : (v-val1)/(val2-val1);
results.push({ value: v, ratio: ratio, point: [p1[0]+(p2[0]-p1[0])*ratio, p1[1]+(p2[1]-p1[1])*ratio] });
}
return results;
}
else {
var start = Math.ceil(val2 / mod) * mod;
var dist = val1 - val2;
var results = [];
for(var v = start; v <= val1; v += mod) {
var ratio = (val1 == val2) ? 0 : 1.0-(v-val2)/(val1-val2);
console.log(ratio, val1, val2);
results.push({ value: v, ratio: ratio, point: [p1[0]+(p2[0]-p1[0])*ratio, p1[1]+(p2[1]-p1[1])*ratio] });
}
return results;
}
}
function addLines(sections1, sections2) {
for(var i=0; i<sections1.length; i++) {
for(var j=0; j<sections2.length; j++) {
if (sections1[i].value == sections2[j].value) {
linePoints.push([sections1[i].point, sections2[j].point])
}
}
}
}
triangles.forEach(function(triangle, triangeIndex) {
var p0 = triangle[0];
var p1 = triangle[1];
var p2 = triangle[2];
//if (triangeIndex % 21 == 0) {
//linePoints.push([p0, p1]);
//console.log('triangeIndex', triangeIndex);
//if (triangeIndex != 21 ) return;
//if (triangeIndex != 168 ) return;
var sections0 = sections(p0, p1, 5);
var sections1 = sections(p0, p2, 5);
var sections2 = sections(p1, p2, 5);
addLines(sections0, sections1);
addLines(sections0, sections2);
addLines(sections1, sections2);
//}
//var sections =
})
var path = svg.append("g").selectAll("path.edgeLine");
path = path.data(triangles.map(function(d) { return "M" + d.map(toArrayOfPoints).join("L") + "Z"; }), String);
path.exit().remove();
path.enter().append("path").attr("class", 'edgeLine').attr("d", String);
path.style('stroke', 'red')
path.style('fill', 'none');
path.style('display', 'none');
var path = svg.append("g").selectAll("path.isoLine");
path = path.data(linePoints.map(function(d) { return "M" + d.map(toArrayOfPoints).join("L") + ""; }), String);
path.exit().remove();
path.enter().append("path").attr("class", 'isoLine').attr("d", String);
path.style('stroke', color)
path.style('fill', 'none');
}
function filter(technologyFocus, hue) {
console.log('filter', technologyFocus);
buildViz(allResults.filter(function(org) {
var found = false;
org.activities.forEach(function(activity) {
if (activity.technologyFocus.indexOf(technologyFocus) !== -1) {
found = true;
}
})
return found;
}), hue);
}
</script>
</head>
<body>
<div id="header"><img src="assets/header_01.png" height="100"></div>
<div id="sidebar">
<h1>Technology Trends</h1>
<a href="#" onclick="filter('open-knowledge', 1)">Knowledge</a>
<a href="#" onclick="filter('open-data', 229)">Data</a>
<a href="#" onclick="filter('open-networks', 120)">Networks</a>
<a href="#" onclick="filter('open-hardware', 260)">Hardware</a>
</div>
<div id="charts"></div>
</body>
</html>