See the blog post on how and why it was made.
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May 2, 2017 15:15
weighted scatter plot v1
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| license: mit | |
| height: 500 | |
| border: no |
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| *{box-sizing:border-box}body{color:#333;font-family:Helvetica,Arial,sans-serif}.graphic__hed{text-align:center;color:#333}.chart{max-width:40rem;margin:0 auto;text-align:center}.slider{max-width:20rem;margin:1rem auto;position:relative;padding-top:16.5px}.slider input{display:block;width:100%}.slider:before{content:'Quality';text-transform:uppercase;font-size:11px;letter-spacing:.05em;color:#888;display:inline-block;position:absolute;top:0;left:0}.slider:after{content:'Quantity';text-transform:uppercase;font-size:11px;letter-spacing:.05em;color:#888;display:inline-block;position:absolute;top:0;right:0}.g-axis line,.g-axis path{stroke:#ccc}.g-axis text{fill:#888}.g-axis .axis__label{text-transform:uppercase;font-size:11px;letter-spacing:.05em;fill:#888}.item{fill-opacity:.75} |
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| "use strict";function weightData(t){var a=t.x,e=t.y;return dummyData.map(function(t){return _extends({},t,{score:t.x*a+t.y*e})}).sort(function(t,a){return d3.descending(t.score,a.score)}).map(function(t,a){return _extends({},t,{rank:a})}).reverse()}function resize(){var t=.8*Math.min(el.node().offsetWidth,window.innerHeight);chart.width(t).height(t),el.call(chart)}function scatterplot(){function t(t,a){return"translate("+t+", "+a+")"}function a(t){var a=t.container,e=t.data,n=a.selectAll("svg").data([e]),r=n.enter().append("svg"),i=r.append("g"),c=i.append("g").attr("class","g-axis"),s=c.append("g").attr("class","axis axis--x"),l=c.append("g").attr("class","axis axis--y");s.append("text").attr("class","axis__label").attr("text-anchor","middle").text("Quantity"),l.append("text").attr("class","axis__label").attr("text-anchor","middle").text("Quality"),i.append("g").attr("class","g-plot")}function e(t){t.container,t.data}function n(t){var a=t.data;l.domain([0,MAX_VAL]).range([0,g]),o.domain([0,MAX_VAL]).range([p,0]),d.domain([0,a.length]).range([20,2]),u.domain(a.map(function(t){return t.rank})).range(COLORS)}function r(a){var e=a.container,n=(a.data,e.select("svg"));n.attr("width",f).attr("height",h);var r=n.select("g");r.attr("transform",t(s,s));var i=r.select(".g-plot"),c=i.selectAll(".item").data(function(t){return t},function(t){return t.index});c.enter().append("circle").attr("class","item").merge(c).transition().duration(100).ease(d3.easeLinear).attr("x",0).attr("y",0).attr("r",function(t){return d(t.rank)}).style("fill",function(t){return u(t.rank)}).style("stroke",function(t){return d3.color(u(t.rank)).darker(.7)}).attr("transform",function(a){return t(l(a.x),o(a.y))})}function i(a){var e=a.container,n=(a.data,e.select(".g-axis")),r=d3.axisLeft(o),i=d3.axisBottom(l),c=n.select(".axis--x");c.attr("transform",t(0,p)).call(i);var d=n.select(".axis--y");d.call(r),c.select(".axis__label").attr("x",g/2).attr("y",s-1),d.select(".axis__label").attr("x",-p/2).attr("y",-s+FONT_SIZE).attr("transform","rotate(-90)")}function c(t){var c=t.datum();a({container:t,data:c}),e({container:t,data:c}),n({container:t,data:c}),r({container:t,data:c}),i({container:t,data:c})}var s=3*FONT_SIZE,l=d3.scaleLinear(),o=d3.scaleLinear(),d=d3.scaleSqrt(),u=d3.scaleQuantile(),f=500,h=500,g=f-3*s,p=h-3*s;return c.width=function(){return arguments.length?(f=arguments.length<=0?void 0:arguments[0],g=f-3*s,c):f},c.height=function(){return arguments.length?(h=arguments.length<=0?void 0:arguments[0],p=h-3*s,c):h},c}function handleInput(){var t=+this.value,a=t,e=100-t,n=weightData({x:a,y:e});el.datum(n),el.call(chart)}function init(){el.datum(weightData({x:50,y:50})),el.call(chart),resize(),window.addEventListener("resize",resize),graphic.select(".slider input").on("input",handleInput)}var _extends=Object.assign||function(t){for(var a=1;a<arguments.length;a++){var e=arguments[a];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n])}return t},graphic=d3.select(".graphic--1"),COLORS=["#ff3814","#fe5c34","#fc764f","#f88d69","#f2a385","#e8b8a0","#dbcdbd"],FONT_SIZE=11,MAX_VAL=10,dummyData=d3.range(0,50).map(function(t){return{index:t,x:.5+Math.random()*(MAX_VAL-1),y:.5+Math.random()*(MAX_VAL-1)}}),chart=scatterplot(),el=graphic.select(".chart");init(); | |
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1),\n\ty: 0.5 + Math.random() * (MAX_VAL - 1),\n}))\n\nconst chart = scatterplot()\nconst el = graphic.select('.chart')\n\nfunction weightData({ x, y }) {\n\treturn dummyData.map(d => ({\n\t\t...d,\n\t\tscore: d.x * x + d.y * y,\n\t}))\n\t.sort((a, b) => d3.descending(a.score, b.score))\n\t.map((d, i) => ({\n\t\t...d,\n\t\trank: i,\n\t}))\n\t.reverse()\n}\n\nfunction resize() {\n\tconst sz = Math.min(el.node().offsetWidth, window.innerHeight) * 0.8\n\tchart.width(sz).height(sz)\n\tel.call(chart)\n}\n\nfunction scatterplot() {\n\tconst margin = FONT_SIZE * 3\n\tconst scaleX = d3.scaleLinear()\n\tconst scaleY = d3.scaleLinear()\n\tconst scaleR = d3.scaleSqrt()\n\tconst scaleC = d3.scaleQuantile()\n\n\tlet width = 500\n\tlet height = 500\n\tlet chartWidth = width - margin * 3\n\tlet chartHeight = height - margin * 3\n\n\tfunction translate(x, y) {\n\t\treturn `translate(${x}, ${y})`\n\t}\n\n\tfunction enter({ container, data }) {\n\t\tconst svg = container.selectAll('svg').data([data])\n\t\tconst svgEnter = svg.enter().append('svg')\n      \tconst gEnter = svgEnter.append('g')\n\t\t\n\t\tconst axis = gEnter.append('g').attr('class', 'g-axis')\n\n\t\tconst x = axis.append('g').attr('class', 'axis axis--x')\n\n\t\tconst y = axis.append('g').attr('class', 'axis axis--y')\n\n\t\tx.append('text').attr('class', 'axis__label')\n\t\t\t.attr('text-anchor', 'middle')\n\t\t\t.text('Quantity')\n\n\t\ty.append('text').attr('class', 'axis__label')\n\t\t\t.attr('text-anchor', 'middle')\n\t\t\t.text('Quality')\n\n\t\tgEnter.append('g').attr('class', 'g-plot')\n\t}\n\n\tfunction exit({ container, data }) {\n\t}\n\n\tfunction updateScales({ data }) {\n\t\tscaleX\n\t\t\t.domain([0, MAX_VAL])\n\t\t\t.range([0, chartWidth])\n\n\t\tscaleY\n\t\t\t.domain([0, MAX_VAL])\n\t\t\t.range([chartHeight, 0])\n\n\t\tscaleR\n\t\t\t.domain([0, data.length])\n\t\t\t.range([20, 2])\n\n\t\tscaleC\n\t\t\t.domain(data.map(d => d.rank))\n\t\t\t.range(COLORS)\n\t}\n\n\tfunction updateDom({ container, data }) {\n\t\tconst svg = container.select('svg')\n\t\t\n\t\tsvg\n\t\t\t.attr('width', width)\n\t\t\t.attr('height', height)\n\n\t\tconst g = svg.select('g')\n\t\t\n\t\tg.attr('transform', translate(margin, margin))\n\n\t\tconst plot = g.select('.g-plot')\n\n\t\tconst item = plot.selectAll('.item').data(d => d, d => d.index)\n\t\t\n\t\titem.enter().append('circle')\n\t\t\t.attr('class', 'item')\n\t\t.merge(item)\n\t\t\t.transition()\n\t\t\t.duration(100)\n\t\t\t.ease(d3.easeLinear)\n\t\t\t.attr('x', 0)\n\t\t\t.attr('y', 0)\n\t\t\t.attr('r', d => scaleR(d.rank))\n\t\t\t.style('fill', d => scaleC(d.rank))\n\t\t\t.style('stroke', d => d3.color(scaleC(d.rank)).darker(0.7))\n\t\t\t.attr('transform',  d => translate(scaleX(d.x), scaleY(d.y)))\n\t}\n\n\tfunction updateAxis({ container, data }) {\n\t\tconst axis = container.select('.g-axis')\n\n\t\tconst axisLeft = d3.axisLeft(scaleY)\n\t\tconst axisBottom = d3.axisBottom(scaleX)\n\n\t\tconst x = axis.select('.axis--x')\n\t\t\n\t\tx.attr('transform', translate(0, chartHeight))\n\t\t\t.call(axisBottom)\n\n\t\tconst y = axis.select('.axis--y')\n\n\t\ty.call(axisLeft)\n\n\t\tx.select('.axis__label')\n\t\t\t.attr('x', chartWidth / 2)\n\t\t\t.attr('y', margin - 1)\n\n\t\ty.select('.axis__label')\n\t\t\t.attr('x', -chartHeight / 2)\n\t\t\t.attr('y', -margin + FONT_SIZE)\n\t\t\t.attr('transform', `rotate(-90)`)\n\n\n\t}\n\n\tfunction chart(container) {\n\t\tconst data = container.datum()\n\t\t\n\t\tenter({ container, data })\n\t\texit({ container, data })\n\t\tupdateScales({ container, data })\n\t\tupdateDom({ container, data })\n\t\tupdateAxis({ container, data })\n\t}\n\n\tchart.width = function(...args) {\n\t\tif (!args.length) return width\n\t\twidth = args[0]\n\t\tchartWidth = width - margin * 3\n\t\treturn chart\n\t}\n\n\tchart.height = function(...args) {\n\t\tif (!args.length) return height\n\t\theight = args[0]\n\t\tchartHeight = height - margin * 3\n\t\treturn chart\n\t}\n\n\treturn chart\n}\n\nfunction handleInput() {\n\tconst val = +this.value\n\tconst x = val\n\tconst y = 100 - val\n\tconst weighted = weightData({ x, y })\n\tel.datum(weighted)\n\tel.call(chart)\n}\n\nfunction init() {\n\tel.datum(weightData({ x: 50, y: 50 }))\n\tel.call(chart)\n\tresize()\n\twindow.addEventListener('resize', resize)\n\tgraphic.select('.slider input').on('input', handleInput)\n}\n\ninit()\n"]} |
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| <!DOCTYPE html> | |
| <title>weighted pivot scatter plot v1</title> | |
| <link href='dist.css' rel='stylesheet' /> | |
| <body> | |
| <div class='graphic graphic--1'> | |
| <div class='chart'></div> | |
| <div class='slider'><input type='range' min='0' max='100' value='50'></div> | |
| </div> | |
| <script src='https://d3js.org/d3.v4.min.js'></script> | |
| <script src='dist.js'></script> | |
| </body> |
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Learn more about bidirectional Unicode characters
| const graphic = d3.select('.graphic--1') | |
| const COLORS = ['#ff3814', '#fe5c34', '#fc764f', '#f88d69', '#f2a385', '#e8b8a0', '#dbcdbd'] | |
| const FONT_SIZE = 11 | |
| const MAX_VAL = 10 | |
| const dummyData = d3.range(0, 50).map(d => ({ | |
| index: d, | |
| x: 0.5 + Math.random() * (MAX_VAL - 1), | |
| y: 0.5 + Math.random() * (MAX_VAL - 1), | |
| })) | |
| const chart = scatterplot() | |
| const el = graphic.select('.chart') | |
| function weightData({ x, y }) { | |
| return dummyData.map(d => ({ | |
| ...d, | |
| score: d.x * x + d.y * y, | |
| })) | |
| .sort((a, b) => d3.descending(a.score, b.score)) | |
| .map((d, i) => ({ | |
| ...d, | |
| rank: i, | |
| })) | |
| .reverse() | |
| } | |
| function resize() { | |
| const sz = Math.min(el.node().offsetWidth, window.innerHeight) * 0.8 | |
| chart.width(sz).height(sz) | |
| el.call(chart) | |
| } | |
| function scatterplot() { | |
| const margin = FONT_SIZE * 3 | |
| const scaleX = d3.scaleLinear() | |
| const scaleY = d3.scaleLinear() | |
| const scaleR = d3.scaleSqrt() | |
| const scaleC = d3.scaleQuantile() | |
| let width = 500 | |
| let height = 500 | |
| let chartWidth = width - margin * 3 | |
| let chartHeight = height - margin * 3 | |
| function translate(x, y) { | |
| return `translate(${x}, ${y})` | |
| } | |
| function enter({ container, data }) { | |
| const svg = container.selectAll('svg').data([data]) | |
| const svgEnter = svg.enter().append('svg') | |
| const gEnter = svgEnter.append('g') | |
| const axis = gEnter.append('g').attr('class', 'g-axis') | |
| const x = axis.append('g').attr('class', 'axis axis--x') | |
| const y = axis.append('g').attr('class', 'axis axis--y') | |
| x.append('text').attr('class', 'axis__label') | |
| .attr('text-anchor', 'middle') | |
| .text('Quantity') | |
| y.append('text').attr('class', 'axis__label') | |
| .attr('text-anchor', 'middle') | |
| .text('Quality') | |
| gEnter.append('g').attr('class', 'g-plot') | |
| } | |
| function exit({ container, data }) { | |
| } | |
| function updateScales({ data }) { | |
| scaleX | |
| .domain([0, MAX_VAL]) | |
| .range([0, chartWidth]) | |
| scaleY | |
| .domain([0, MAX_VAL]) | |
| .range([chartHeight, 0]) | |
| scaleR | |
| .domain([0, data.length]) | |
| .range([20, 2]) | |
| scaleC | |
| .domain(data.map(d => d.rank)) | |
| .range(COLORS) | |
| } | |
| function updateDom({ container, data }) { | |
| const svg = container.select('svg') | |
| svg | |
| .attr('width', width) | |
| .attr('height', height) | |
| const g = svg.select('g') | |
| g.attr('transform', translate(margin, margin)) | |
| const plot = g.select('.g-plot') | |
| const item = plot.selectAll('.item').data(d => d, d => d.index) | |
| item.enter().append('circle') | |
| .attr('class', 'item') | |
| .merge(item) | |
| .transition() | |
| .duration(100) | |
| .ease(d3.easeLinear) | |
| .attr('x', 0) | |
| .attr('y', 0) | |
| .attr('r', d => scaleR(d.rank)) | |
| .style('fill', d => scaleC(d.rank)) | |
| .style('stroke', d => d3.color(scaleC(d.rank)).darker(0.7)) | |
| .attr('transform', d => translate(scaleX(d.x), scaleY(d.y))) | |
| } | |
| function updateAxis({ container, data }) { | |
| const axis = container.select('.g-axis') | |
| const axisLeft = d3.axisLeft(scaleY) | |
| const axisBottom = d3.axisBottom(scaleX) | |
| const x = axis.select('.axis--x') | |
| x.attr('transform', translate(0, chartHeight)) | |
| .call(axisBottom) | |
| const y = axis.select('.axis--y') | |
| y.call(axisLeft) | |
| x.select('.axis__label') | |
| .attr('x', chartWidth / 2) | |
| .attr('y', margin - 1) | |
| y.select('.axis__label') | |
| .attr('x', -chartHeight / 2) | |
| .attr('y', -margin + FONT_SIZE) | |
| .attr('transform', `rotate(-90)`) | |
| } | |
| function chart(container) { | |
| const data = container.datum() | |
| enter({ container, data }) | |
| exit({ container, data }) | |
| updateScales({ container, data }) | |
| updateDom({ container, data }) | |
| updateAxis({ container, data }) | |
| } | |
| chart.width = function(...args) { | |
| if (!args.length) return width | |
| width = args[0] | |
| chartWidth = width - margin * 3 | |
| return chart | |
| } | |
| chart.height = function(...args) { | |
| if (!args.length) return height | |
| height = args[0] | |
| chartHeight = height - margin * 3 | |
| return chart | |
| } | |
| return chart | |
| } | |
| function handleInput() { | |
| const val = +this.value | |
| const x = val | |
| const y = 100 - val | |
| const weighted = weightData({ x, y }) | |
| el.datum(weighted) | |
| el.call(chart) | |
| } | |
| function init() { | |
| el.datum(weightData({ x: 50, y: 50 })) | |
| el.call(chart) | |
| resize() | |
| window.addEventListener('resize', resize) | |
| graphic.select('.slider input').on('input', handleInput) | |
| } | |
| init() |
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| $gray = #888 | |
| $gray-light = #aaa | |
| $gray-lighter = #ccc | |
| $gray-dark = #333 | |
| $sans = Helvetica, Arial, sans-serif | |
| $small-font = 11px | |
| * | |
| box-sizing border-box | |
| body | |
| color $gray-dark | |
| font-family $sans | |
| .graphic__hed | |
| text-align center | |
| color $gray-dark | |
| .chart | |
| max-width 40rem | |
| margin 0 auto | |
| text-align center | |
| .slider | |
| max-width 20rem | |
| margin 1rem auto | |
| position relative | |
| padding-top $small-font * 1.5 | |
| input | |
| display block | |
| width 100% | |
| &:before | |
| content 'Quality' | |
| text-transform uppercase | |
| font-size $small-font | |
| letter-spacing 0.05em | |
| color $gray | |
| display inline-block | |
| position absolute | |
| top 0 | |
| left 0 | |
| &:after | |
| content 'Quantity' | |
| text-transform uppercase | |
| font-size $small-font | |
| letter-spacing 0.05em | |
| color $gray | |
| display inline-block | |
| position absolute | |
| top 0 | |
| right 0 | |
| .g-axis | |
| line, path | |
| stroke $gray-lighter | |
| text | |
| fill $gray | |
| .g-axis .axis__label | |
| text-transform uppercase | |
| font-size $small-font | |
| letter-spacing 0.05em | |
| fill $gray | |
| .item | |
| fill-opacity 0.75 | |
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