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Example with RDF Data Cube & Linechart #8

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Apr 15, 2019
Merged

Example with RDF Data Cube & Linechart #8

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b64f304
Example with RDF Data Cube & Linechart
ktk Apr 14, 2019
8709631
code review for cube example
vhf Apr 14, 2019
a1e194a
Merge pull request #1 from zazuko/pr/8
ktk Apr 14, 2019
ce53b0e
Simplify code
ktk Apr 15, 2019
8c60856
Renamed to reflect the use of Highcharts library
ktk Apr 15, 2019
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73 changes: 73 additions & 0 deletions examples/cube-line-highcharts-lib.html
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<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/d3-sparql.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/d3-collection.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/d3-dispatch.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/d3-request.min.js"></script>
<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script src="https://code.highcharts.com/modules/export-data.js"></script>

<div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div>

<script>
// we use some statistical data from the City of Zurich, Switzerland
const endpoint = 'https://ld.stadt-zuerich.ch/query'

const timeline = `
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX qb: <http://purl.org/linked-data/cube#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX geo: <http://www.opengis.net/ont/geosparql#>
SELECT ?time ?bew WHERE { GRAPH <https://linked.opendata.swiss/graph/zh/statistics> {
?obs a qb:Observation ;
qb:dataSet <https://ld.stadt-zuerich.ch/statistics/dataset/BEW-RAUM-ZEIT> ;
<https://ld.stadt-zuerich.ch/statistics/property/ZEIT> ?time ;
<https://ld.stadt-zuerich.ch/statistics/measure/BEW> ?bew ;
<https://ld.stadt-zuerich.ch/statistics/property/RAUM> <https://ld.stadt-zuerich.ch/statistics/code/R30000> .

FILTER(?time >= "1900-01-01"^^xsd:date )
}} ORDER BY ASC(?time)`

d3.sparql(endpoint, timeline).get((error, sparqlData) => {

Highcharts.chart('container', {
chart: {
type: 'line'
},
title: {
text: 'Wirtschaftliche Bevölkerung Stadt Zürich'
},
subtitle: {
text: 'Source: Statistik Stadt Zürich'
},
xAxis: {
categories: sparqlData.map(item => item.time.getFullYear())
},
yAxis: {
title: {
text: 'Wirtschaftliche Bevölkerung (Personen)'
}
},
plotOptions: {
line: {
dataLabels: {
enabled: false
},
enableMouseTracking: true
}
},
series: [{
name: 'Personen',
data: sparqlData.map(item => item.bew.valueOf())
}]
})
})
</script>
</body>

</html>