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79 lines
2.1 KiB
HTML
79 lines
2.1 KiB
HTML
4 years ago
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<!DOCTYPE html>
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<meta charset="utf-8">
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<!-- Load d3.js -->
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<script src="https://d3js.org/d3.v4.js"></script>
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<body>
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<!-- Create a div where the graph will take place -->
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<h2>Cryogenic Chamber</h2>
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<div id="my_dataviz"></div>
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<script>
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// set the dimensions and margins of the graph
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var width = 460
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var height = 460
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// append the svg object to the body of the page
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var svg = d3.select("#my_dataviz")
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.append("svg")
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.attr("width", width)
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.attr("height", height)
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.append("g")
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.attr("transform", "translate(40,0)"); // bit of margin on the left = 40
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// read json data
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d3.json("data/cryogenic-chamber.json", function(data) {
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// Create the cluster layout:
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var cluster = d3.cluster()
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.size([height, width - 100]); // 100 is the margin I will have on the right side
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function children(d){
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return d.children
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// ???
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}
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// Give the data to this cluster layout:
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var root = d3.hierarchy(data, function(d) {
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return d.children;
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});
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cluster(root);
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// Add the links between nodes:
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svg.selectAll('path')
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.data( root.descendants().slice(1) )
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.enter()
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.append('path')
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.attr("d", function(d) {
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return "M" + d.y + "," + d.x
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+ "C" + (d.parent.y + 50) + "," + d.x
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+ " " + (d.parent.y + 150) + "," + d.parent.x // 50 and 150 are coordinates of inflexion, play with it to change links shape
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+ " " + d.parent.y + "," + d.parent.x;
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})
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.style("fill", 'none')
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.attr("stroke", '#ccc')
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// Add a circle for each node.
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svg.selectAll("g")
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.data(root.descendants())
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.enter()
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.append("g")
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.attr("transform", function(d) {
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return "translate(" + d.y + "," + d.x + ")"
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})
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.append("circle")
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.attr("r", 7)
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.style("fill", "#69b3a2")
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.attr("stroke", "black")
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.style("stroke-width", 2)
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})
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</script>
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</body>
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</html>
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