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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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.links line { |
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stroke: #d8d8d8; |
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stroke-opacity: 0.6; |
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stroke-width: 2; |
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stroke-dasharray: 10, 6; |
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} |
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.nodes circle { |
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fill: #00ceb9; |
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stroke: white ; |
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stroke-width: 5px; |
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} |
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.labels { |
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font-family: sans-serif; |
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font-size: 18px; |
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stroke: #dadada; |
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opacity: .4; |
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background: white; |
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font-weight: bold; |
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} |
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svg { |
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border: 1px solid #d8d8d8; |
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} |
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</style> |
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<svg width="1000" height="400"></svg> |
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<script src="https://d3js.org/d3.v4.min.js"></script> |
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<script> |
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const svg = d3.select("svg"); |
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const width = +svg.attr("width"); |
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const height = +svg.attr("height"); |
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const animate = false; |
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const nodeRadius = 20; |
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const data = { |
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nodes: [ |
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{ name: 'Remote Services', status: 'up' }, |
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{ name: 'Recalls & Campaigns', status: 'up' }, |
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{ name: 'Vehicle Data', status: 'down' }, |
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{ name: 'Registration', status: 'down' }, |
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{ name: 'UBI', status: 'down' }, |
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{ name: 'Provisioning', status: 'up' }, |
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{ name: 'Dealer Services', status: 'down' }, |
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{ name: 'Accident Advisor', status: 'up' }, |
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{ name: 'Notification Services', status: 'up' }, |
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{ name: 'Can300', status: 'down' } |
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], |
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links: [ |
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{ source: 'Recalls & Campaigns', target: 'Vehicle Data', failures: '10' }, |
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{ source: 'Remote Services', target: 'Vehicle Data', failures: '1290' }, |
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{ source: 'Vehicle Data', target: 'Registration', failures: '0' }, |
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{ source: 'Registration', target: 'UBI', failures: '0' }, |
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{ source: 'UBI', target: 'Dealer Services', failures: '1.8k' }, |
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//{ source: 'Registration', target: 'Dealer Services', failures: '0' }, |
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{ source: 'UBI', target: 'Provisioning', failures: '0' }, |
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{ source: 'Provisioning', target: 'Dealer Services', failures: '2.1k' }, |
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{ source: 'Provisioning', target: 'Accident Advisor', failures: '0' }, |
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//{ source: 'Accident Advisor', target: 'Dealer Services', failures: '0' }, |
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{ source: 'Accident Advisor', target: 'Notification Services', failures: '0' }, |
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{ source: 'Accident Advisor', target: 'Can300', failures: '0' } |
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] |
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}; |
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// Set up the simulation |
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const strengthX = -0.007; |
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const strengthY = 0.016; |
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const charge = -304; |
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const dist = 142; |
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const lineStrength = 1.5; |
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const simulation = d3.forceSimulation().nodes(data.nodes); |
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const forceX = d3.forceX(width/2).strength(strengthX); |
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const forceY = d3.forceY(height/2).strength(strengthY); |
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const chargeForce = d3.forceManyBody().strength(charge); |
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const centerForce = d3.forceCenter(width / 2, height / 2); |
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const linkForce = d3.forceLink(data.links).id(d => d.name).distance(dist).strength(lineStrength); |
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// Add positioning forces to the simulation |
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simulation |
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.force('xAxis', forceX) |
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.force('yAxis', forceY) |
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.force("charge_force", chargeForce) |
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.force("center_force", centerForce) |
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.force("links", linkForce); |
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//draw lines for the links |
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const link = svg.append("g") |
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.attr("class", "links") |
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.selectAll("line") |
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.data(data.links) |
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.enter().append("line"); |
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//draw circles for the nodes |
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const node = svg.append("g") |
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.attr("class", "nodes") |
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.selectAll("g") |
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.data(data.nodes) |
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.enter().append("g"); |
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const circles = node |
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.append("circle") |
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.attr("r", nodeRadius); |
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const labels = node.append("text") |
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.text(d => d.name) |
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.attr("class", "labels") |
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.attr('x', d => 0 - nodeRadius - d.name.length/2) |
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.attr('y', 0 - nodeRadius - 5); |
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if (!animate) { |
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simulation.stop(); |
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const min = Math.log(simulation.alphaMin()); |
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const decay = Math.log(1 - simulation.alphaDecay()); |
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const numTicks = Math.ceil(min / decay); |
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// Run the simulation enough times to position nodes |
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for (let i = 0; i < numTicks; ++i) { |
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simulation.tick(); |
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}; |
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// Position the nodes |
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tickActions() |
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} else { |
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simulation.on("tick", tickActions ); |
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} |
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function tickActions() { |
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// constrains the nodes to be within a box |
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node.attr("transform", d => { |
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const x = Math.max(nodeRadius, Math.min(width, d.x)); |
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const y = Math.max(nodeRadius, Math.min(height, d.y)); |
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return "translate(" + x + "," + y + ")"; |
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}); |
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link |
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.attr("x1", d => d.source.x) |
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.attr("y1", d => d.source.y) |
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.attr("x2", d => d.target.x) |
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.attr("y2", d => d.target.y); |
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} |
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</script> |