Scatter plot zoom of the brushed region. Double-click to zoom out.
forked from EfratVil's block: Scatter plot with zoom
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January 28, 2018 21:43
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Scatterplot basic
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| license: mit |
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| id | cluster | x | y | |
|---|---|---|---|---|
| 1.0 | cluster_0 | -1.9079458769869453 | -2.075060780587529 | |
| 2.0 | cluster_0 | -0.5841304990049297 | -0.6007408163785174 | |
| 3.0 | cluster_6 | -0.2790426197660639 | 0.03734857396908692 | |
| 4.0 | cluster_2 | -0.7609497859141965 | 0.4067527003258465 | |
| 5.0 | cluster_6 | -0.06616626436110884 | -0.044042032906473 | |
| 6.0 | cluster_6 | -0.8359586128417164 | -0.8216766113546754 | |
| 7.0 | cluster_2 | -0.5462504253078485 | 0.2448547383618138 | |
| 8.0 | cluster_6 | -0.5095647824945387 | -0.3156211347448184 | |
| 9.0 | cluster_6 | -0.8175068014319339 | -0.8518448290374879 | |
| 10.0 | cluster_0 | -0.7664379794172259 | -0.7558956981667694 | |
| 11.0 | cluster_6 | -0.8445095871133399 | -1.0230553931568493 | |
| 12.0 | cluster_6 | -0.37789164213440246 | -0.3612960989989086 | |
| 13.0 | cluster_0 | -0.6984714814705432 | -0.7354254817289264 | |
| 14.0 | cluster_6 | -0.4449261219640731 | -0.5020929001106372 | |
| 15.0 | cluster_0 | -0.7841893687579691 | -0.6970819886406676 | |
| 16.0 | cluster_6 | -0.18836500369782078 | -0.1577132393351561 | |
| 17.0 | cluster_6 | -0.17481916062213088 | -0.19179208904054612 | |
| 18.0 | cluster_6 | -0.08094329475146993 | -0.024253766678287707 | |
| 19.0 | cluster_0 | -0.32114650976140485 | -0.2839219902096705 | |
| 20.0 | cluster_0 | -0.6234699653972764 | -0.4177943902929359 | |
| 21.0 | cluster_0 | -1.0475561709862051 | -0.8747414781611541 | |
| 22.0 | cluster_6 | -0.22819452201086285 | -0.261104059533509 | |
| 23.0 | cluster_2 | -0.5671985306956926 | 0.1900985058006701 | |
| 24.0 | cluster_6 | -0.18044000517324146 | -0.154472970092794 | |
| 25.0 | cluster_2 | -0.9793219681258069 | 0.060053411682036144 | |
| 26.0 | cluster_2 | -0.5761414966818806 | -0.0140000697423254 | |
| 27.0 | cluster_6 | -0.44376923121921186 | -0.22921391060961283 | |
| 28.0 | cluster_0 | -0.01393919309306619 | 0.03258123521118737 | |
| 29.0 | cluster_0 | -0.02834988629065053 | 0.04525650653253732 | |
| 30.0 | cluster_0 | -0.7439472029925007 | -0.6741408620014182 | |
| 31.0 | cluster_3 | -0.09876139333982867 | 0.34969337258583827 | |
| 32.0 | cluster_4 | 0.32848755501413207 | -0.7657142471942869 | |
| 33.0 | cluster_6 | -0.2549884130399796 | -0.24932603894115823 | |
| 34.0 | cluster_6 | -0.12281603757325138 | -0.126861781804842 | |
| 35.0 | cluster_6 | -0.09402130544463502 | -0.09638359476761114 | |
| 36.0 | cluster_2 | 0.03550979028825464 | 0.08307378495238324 | |
| 37.0 | cluster_2 | -0.1521456903024924 | 0.04741164302905074 | |
| 38.0 | cluster_0 | -1.8250393996705796 | -2.1298546391369113 | |
| 39.0 | cluster_6 | -0.4130756075348035 | -0.5894909894504379 | |
| 40.0 | cluster_3 | -0.39439339827655384 | 0.9835078187569389 | |
| 41.0 | cluster_2 | -0.07305032681387677 | 0.06187869197010179 | |
| 42.0 | cluster_6 | -0.48974216532665693 | -0.2905264324998928 | |
| 43.0 | cluster_6 | -0.48819945637198037 | -0.5563508985949368 | |
| 44.0 | cluster_6 | -0.489451951053194 | -0.5161040723523015 | |
| 45.0 | cluster_6 | -0.3865843767213269 | -0.42270895141821996 | |
| 46.0 | cluster_6 | -0.5203325950038856 | -0.6501744770098856 | |
| 47.0 | cluster_6 | -0.4634760958739974 | -0.5190511608669546 | |
| 48.0 | cluster_0 | -0.6476800654306508 | -0.49551459536369136 | |
| 49.0 | cluster_4 | 0.3158666062001201 | -0.47988907218157134 | |
| 50.0 | cluster_0 | -0.5294753922908229 | -0.522767688500297 | |
| 51.0 | cluster_0 | -0.8010326888449203 | -0.7094224060090127 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <p id="g1"></p> | |
| <head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 14px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="//d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var data = d3.csv('data.csv', function(error, data){ | |
| data.forEach(function(d){ | |
| d.x = +d.x; | |
| d.y =+d.y; }); | |
| var color = d3.scaleOrdinal(d3.schemeCategory20); | |
| var margin = { top: 30, right: 100, bottom: 30, left: 30 }; | |
| width = 900 - margin.left - margin.right, | |
| height = 480 - margin.top - margin.bottom; | |
| var tooltip = d3.select("body").append("div") | |
| .attr("class", "tooltip") | |
| .style("opacity", 0); | |
| var x = d3.scaleLinear() | |
| .range([0, width]) | |
| .nice(); | |
| var y = d3.scaleLinear() | |
| .range([height, 0]); | |
| var xAxis = d3.axisBottom(x).ticks(12), | |
| yAxis = d3.axisLeft(y).ticks(12 * height / width); | |
| var brush = d3.brush().extent([[0, 0], [width, height]]).on("end", brushended), | |
| idleTimeout, | |
| idleDelay = 350; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var clip = svg.append("defs").append("svg:clipPath") | |
| .attr("id", "clip") | |
| .append("svg:rect") | |
| .attr("width", width ) | |
| .attr("height", height ) | |
| .attr("x", 0) | |
| .attr("y", 0); | |
| var xExtent = d3.extent(data, function (d) { return d.x; }); | |
| var yExtent = d3.extent(data, function (d) { return d.y; }); | |
| x.domain(d3.extent(data, function (d) { return d.x; })).nice(); | |
| y.domain(d3.extent(data, function (d) { return d.y; })).nice(); | |
| var scatter = svg.append("g") | |
| .attr("id", "scatterplot") | |
| .attr("clip-path", "url(#clip)"); | |
| scatter.selectAll(".dot") | |
| .data(data) | |
| .enter().append("circle") | |
| .attr("class", "dot") | |
| .attr("r", 5) | |
| .attr("cx", function (d) { return x(d.x); }) | |
| .attr("cy", function (d) { return y(d.y); }) | |
| .attr("opacity", 0.7) | |
| .style("fill", function(d) { return color(d.cluster); }); | |
| // x axis | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr('id', "axis--x") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| svg.append("text") | |
| .style("text-anchor", "end") | |
| .attr("x", width) | |
| .attr("y", height - 8) | |
| .text("PC 2l"); | |
| // y axis | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .attr('id', "axis--y") | |
| .call(yAxis); | |
| svg.append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 6) | |
| .attr("dy", "1em") | |
| .style("text-anchor", "end") | |
| .text("PC 1"); | |
| scatter.append("g") | |
| .attr("class", "brush") | |
| .call(brush); | |
| function brushended() { | |
| var s = d3.event.selection; | |
| if (!s) { | |
| if (!idleTimeout) return idleTimeout = setTimeout(idled, idleDelay); | |
| x.domain(d3.extent(data, function (d) { return d.x; })).nice(); | |
| y.domain(d3.extent(data, function (d) { return d.y; })).nice(); | |
| } else { | |
| x.domain([s[0][0], s[1][0]].map(x.invert, x)); | |
| y.domain([s[1][1], s[0][1]].map(y.invert, y)); | |
| scatter.select(".brush").call(brush.move, null); | |
| } | |
| zoom(); | |
| } | |
| function idled() { | |
| idleTimeout = null; | |
| } | |
| function zoom() { | |
| var t = scatter.transition().duration(750); | |
| svg.select("#axis--x").transition(t).call(xAxis); | |
| svg.select("#axis--y").transition(t).call(yAxis); | |
| scatter.selectAll("circle").transition(t) | |
| .attr("cx", function (d) { return x(d.x); }) | |
| .attr("cy", function (d) { return y(d.y); }); | |
| } | |
| var legend = svg.selectAll(".legend") | |
| .data(color.domain()) | |
| .enter().append("g") | |
| .attr("class", "legend") | |
| .attr("transform", function(d, i) { return "translate("+(width+70)+"," + i * 30 + ")"; }); | |
| var clicked = null | |
| legend.append("circle") | |
| .attr("r", 7) | |
| .style("fill", function(d) { return color(d); }) | |
| .attr("transform", function(d, i) { return "translate(-68,1)"; }) | |
| .on("click", function(d) { | |
| d3.selectAll(".dot").style("opacity", .7) | |
| if(clicked !== d) { | |
| d3.selectAll(".dot") | |
| .filter(function(e) { | |
| return e.cluster !== d | |
| }) | |
| .style("opacity", 0.1) | |
| clicked = d; | |
| } else { | |
| clicked = null; | |
| } | |
| }) | |
| legend.append("text") | |
| .attr("dy", ".35em") | |
| .style("text-anchor", "end") | |
| .text(function(d) { return d; }) | |
| .on("click", function(d) { | |
| d3.selectAll(".dot").style("opacity", .7) | |
| if(clicked !== d) { | |
| d3.selectAll(".dot") | |
| .filter(function(e) { | |
| return e.cluster !== d | |
| }) | |
| .style("opacity", 0.1) | |
| clicked = d; | |
| } else { | |
| clicked = null; | |
| } | |
| }); | |
| }) | |
| </script> | |
| </body> |
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