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07_org_explorer.js
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07_org_explorer.js
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/*global SPARQLDataSource, d3 */
// run query on sparql (true) or use local copy (false)?
var RUN_QUERY = false;
var indexOfProp = function(data, prop, val) {
return data.map(function(o) { return o[prop]; }).indexOf(val);
};
// http://www.colourlovers.com/palette/475875/Gentle_Waves
var techColors = {
"Open Networks": "#D3E2B6",
"Open Data": "#C3DBB4",
"Open Knowledge": "#AACCB1",
"Open Hardware": "#87BDB1"
};
var buildVis = function(organization, globalSum) {
var width = 440;
var height = 20;
var margin = 200;
var svg = d3.select("body").append("svg")
.attr("width", width * 2 + margin)
.attr("height", height);
var maxCount = 0;
var key;
for (key in organization.focus_count) {
if (organization.focus_count.hasOwnProperty(key)) {
maxCount += organization.focus_count[key];
}
}
var scaleLocal = d3.scale.linear()
.domain([0, maxCount])
.range([0, width]);
var scaleGlobal = d3.scale.linear()
.domain([0, globalSum])
.range([0, width]);
var buildChart = function(num, currentSum, scale, offset) {
svg.append("rect")
.attr("x", function() {
return scale(currentSum) + offset + margin;
})
.attr("y", 0)
.attr("width", function() {
return scale(num);
})
.attr("height", height)
.attr("fill", function() {
return techColors[key];
})
.on("mouseover", function() {
console.log(JSON.stringify(organization, null, 2));
});
};
var currentSum = 0, num;
for (key in organization.focus_count) {
if (organization.focus_count.hasOwnProperty(key)) {
num = organization.focus_count[key];
buildChart(num, currentSum, scaleLocal, 0);
buildChart(num, currentSum, scaleGlobal, width + 20);
currentSum += num;
}
}
svg.append("text")
.attr("class", "title")
.text(organization.label)
.attr("text-anchor", "end")
.attr("x", margin - 10)
.attr("y", 14);
};
var buildChart = function(data) {
// nicer data access
data = data
.map(function(object) {
var newObject = {};
var key;
for (key in object) {
if (object.hasOwnProperty(key)) {
if (key === "lat" || key === "long") {
newObject[key] = +object[key].value;
}
else {
newObject[key] = object[key].value;
}
}
}
return newObject;
})
.reduce(function(memo, object) {
var index = indexOfProp(memo, "label", object.label);
if (index < 0) {
var focusCount = {};
focusCount[object.tech_focus] = 1;
object.focus_count = focusCount;
memo.push(object);
}
else {
if (memo[index].focus_count[object.tech_focus]) {
memo[index].focus_count[object.tech_focus]++;
}
else {
memo[index].focus_count[object.tech_focus] = 1;
}
}
return memo;
}, []);
var maxSum = data.reduce(function(memo, object) {
var sum = 0, key;
for (key in object.focus_count) {
if (object.focus_count.hasOwnProperty(key)) {
sum += object.focus_count[key];
}
}
return sum > memo ? sum : memo;
}, -Infinity);
data.forEach(function(object) {
buildVis(object, maxSum);
});
// sample data
//
// "org": "http://data.digitalsocial.eu/id/organization/faaefa6f-4696-1514-c54d-5d7f0499fb89",
// "label": "Swirrl",
// "long": -2.234564,
// "lat": 53.481895,
// "country": "United Kingdom",
// "city": "Manchester",
// "org_type": "http://data.digitalsocial.eu/def/concept/organization-type/business",
// "activity_label": [ "Digital Social Innovation ", "OpenDataCommunities", "Hampshire Linked Data", "Smart Journey" ],
// "tech_method": [ "big data", "open data", "crowdfunding", "crowdmapping", "crowdsourcing", "online learning models and MOOCS", "social networks", "3D printing", "open source", "social media" ],
// "tech_focus": [ "Open Networks", "Open Data", "Open Knowledge", "Open Hardware" ]
};
if (RUN_QUERY) {
var SPARQL_URL = "http://data.digitalsocial.eu/sparql.json?utf8=✓&query=";
var ds = new SPARQLDataSource(SPARQL_URL);
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 ?activity_label ?tech_method ?tech_focus")
.where("?org", "a", "o:Organization")
.where("?org", "ds:organizationType", "?org_type")
.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")
.where("?tm", "rdfs:label", "?tech_method")
.where("?tf", "rdfs:label", "?tech_focus")
.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")
.execute()
.then(buildChart);
}
else {
d3.json("03_data.json", buildChart);
}