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d3sparql-namedmap.html
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d3sparql-namedmap.html
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<!DOCTYPE html>
<meta charset="utf-8">
<html>
<head>
<link rel="stylesheet" type="text/css" href="lib/bootstrap/css/bootstrap.css"/>
<script src="lib/d3/d3.v3.min.js"></script>
<script src="lib/d3/topojson.v0.min.js"></script>
<script src="d3sparql.js"></script>
<script>
function exec() {
var endpoint = d3.select("#endpoint").property("value")
var sparql = d3.select("#sparql").property("value")
d3sparql.query(endpoint, sparql, render)
}
function render(json) {
var config = {
"label": "label",
"value": "size",
"color_max": "red",
"topojson": "lib/d3/map/japan.topojson",
"mapname": "japan",
"keyname": "name_local",
"center_lat": 34,
"center_lng": 137,
"scale": 10000,
"selector": "#result"
}
d3sparql.namedmap(json, config)
}
function exec_offline() {
d3sparql.debug = true
d3.json("cache/dbpedia/japan.json", render)
}
function toggle() {
d3sparql.toggle()
}
</script>
</head>
<body>
<div id="query" style="margin: 10px">
<h1>d3namedmap</h1>
<form class="form-inline">
<label>SPARQL endpoint:</label>
<div class="input-append">
<input id="endpoint" class="span5" value="http://dbpedia.org/sparql" type="text">
<button class="btn" type="button" onclick="exec()">Query</button>
<button class="btn" type="button" onclick="exec_offline()">Use cache</button>
<button class="btn" type="button" onclick="toggle()"><i id="button" class="icon-chevron-up"></i></button>
</div>
</form>
<textarea id="sparql" class="span9" rows=15>
PREFIX dbpedia-owl: <http://dbpedia.org/ontology/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX yago: <http://dbpedia.org/class/yago/>
SELECT DISTINCT ?s ?label ?population ?area (?density AS ?size)
WHERE {
?s a yago:WikicatPrefecturesOfJapan ;
rdfs:label ?label ;
dbpedia-owl:populationTotal ?population ;
dbpedia-owl:areaTotal ?area .
BIND (xsd:float(?population)/xsd:float(?area/1000000) AS ?density)
FILTER (lang(?label) = 'ja' )
}
ORDER BY DESC(?density)
</textarea>
</div>
<div id="result"></div>
</body>
</html>