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force-to-histogram transition
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| license: mit |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src='https://cdnjs.cloudflare.com/ajax/libs/d3/4.13.0/d3.min.js'></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/rough.js/2.2.5/rough.min.js"></script> | |
| </head> | |
| <button id="clickMe" type="button">Move Nodes</button> | |
| <body> | |
| <svg id="svg" width="1200" height="500"></svg> | |
| <script> | |
| const width = 500 | |
| const height = 500 | |
| const radius = 25; | |
| const svgd3 = d3.select("svg") | |
| const trtCenter = width / 5 | |
| const cntrlCenter = width / 1.5 | |
| var rc = rough.svg(svg) | |
| const sampleData = d3.range(200).map(() => ({r: radius, | |
| value: width/2 + d3.randomNormal(0, 1.5)() * 50})) | |
| // define force | |
| let force = d3.forceSimulation() | |
| .force('charge', d3.forceManyBody().strength(1)) | |
| force.force('x', d3.forceX().strength(.3).x( width / 2)) | |
| force.force('y', d3.forceY().strength(.3).y(height / 3.5)) | |
| .force('collision', d3.forceCollide(d => 12)) | |
| .nodes(sampleData) | |
| .on('tick', changeNetwork) | |
| let dots = svgd3.selectAll('.dot') | |
| .data(sampleData) | |
| .enter() | |
| .append('g') | |
| .attr('class', 'dot') | |
| .attr('group', (d,i) => i % 2 == 0 ? 'trt' : 'ctrl') | |
| function nodeTreatmentPos(d) { | |
| return d.index % 2 == 0 ? trtCenter : cntrlCenter; | |
| } | |
| function changeNetwork() { | |
| d3.selectAll('g.dot') | |
| .attr('transform', d=> `translate(${d.x}, ${d.y})`) | |
| } | |
| d3.selectAll('.dot').append('g').attr('class', 'testStat') | |
| .append('circle') | |
| .style('opacity', .9) | |
| .attr('fill' ,'pink') | |
| .attr('r', 8) | |
| .attr('stroke-width', .51) | |
| .attr('stroke', 'black') | |
| // | |
| function moveNodes() { | |
| d3.selectAll('.dot').select('path').attr('visibility', 'visibile') | |
| force.force('center', null) | |
| .force('collision', d3.forceCollide(d => 12)) | |
| .alphaDecay(.0005) | |
| .velocityDecay(0.6) | |
| force.force('x', d3.forceX().strength(1).x(nodeTreatmentPos)) | |
| force.force('y', d3.forceY().strength(1).y(height / 3.5)) | |
| force.alpha(.1).restart(); | |
| } | |
| // force for center | |
| function moveCenter() { | |
| force//.force('center', null) | |
| .force('collision', d3.forceCollide(d => 20)) | |
| .alphaDecay(.0005) | |
| .velocityDecay(0.6) | |
| force.force('x', d3.forceX().strength(1).x( width / 2)) | |
| force.force('y', d3.forceY().strength(1).y(height / 3.5)) | |
| force.alpha(.1).restart(); | |
| } | |
| function moveHist(){ | |
| force.force('center', null) | |
| .force('collision', d3.forceCollide(d => d.r /1.5).strength(1)) | |
| .alphaDecay(.025) | |
| // .velocityDecay(0.3) | |
| .force('x', d3.forceX((d,i) => d.value).strength(5)) | |
| .force('y', d3.forceY(height - radius).strength(.7)) | |
| .on('tick', changeNetwork2) | |
| force.alpha(.2).restart() | |
| } | |
| function changeNetwork2() { | |
| d3.selectAll('.dot') | |
| .attr('transform', d => `translate(${d.x}, ${Math.min(d.y, height - radius - 1)})`) | |
| } | |
| // resolve locations of node on cliks | |
| let toCenter = true; | |
| d3.select('#clickMe') | |
| .on('click', function() { | |
| toCenter === true ? moveNodes() : moveHist() | |
| toCenter = !toCenter | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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