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demo barchart
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| license: mit |
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| fruit | prix | poids | |
|---|---|---|---|
| Clémentine | 3.2 | 4 | |
| Poire | 2.11 | 5 | |
| Pomme | 1.5 | 6 | |
| Prune | 3.5 | 3 | |
| Banane | 1.19 | 3 | |
| Fraise | 6 | 2 | |
| Leetchi | 2.9 | 1 | |
| Clémentine2 | 3.2 | 4 | |
| Poire2 | 2.11 | 7 | |
| Pomme2 | 1.5 | 9 | |
| Prune2 | 3.5 | 1 | |
| Banane2 | 1.19 | 3 | |
| Fraise2 | 6 | 5 | |
| Leetchi2 | 2.9 | 8 |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| .tooltip { | |
| position: absolute; | |
| background-color: #eee; | |
| color: #6522ff; | |
| font-size: 12px; | |
| width: 50px; | |
| height: 20px; | |
| font-family: monospace; | |
| text-align: center; | |
| display: none; | |
| } | |
| path.line { | |
| fill: none; | |
| stroke: teal; | |
| stroke-width: 2px; | |
| } | |
| circle { | |
| stroke: black; | |
| stroke-width: 1px; | |
| opacity: 0.7; | |
| } | |
| path.area { | |
| fill: orange; | |
| opacity: 0.5; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="tooltip"></div> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500) | |
| .append("g") | |
| .attr("transform", | |
| "translate(" + 30 + "," + 30 + "),rotate(0), scale(1.0)"); | |
| var chart_height = 200; | |
| var chart_width = 800; | |
| d3.csv("fruits.csv", function(data){ | |
| data.forEach(function(e){ | |
| e.prix = +e.prix; | |
| }); | |
| console.log(data); | |
| var y = d3.scaleLinear().domain([0, d3.max(data, function(d){return d.prix;})]).range([chart_height, 0]); | |
| var y2 = d3.scaleLinear().domain([0, d3.max(data, function(d){return d.poids;})]).range([chart_height, 0]); | |
| var x = d3.scaleBand() | |
| .range([0, chart_width]) | |
| .padding(0.1) | |
| .domain(data.map(function(d) { return d.fruit; })); | |
| var c = d3.scaleOrdinal(d3.schemeCategory20); | |
| // define the line | |
| var totoline = d3.line() | |
| .x(function(d) { return x(d.fruit) + x.bandwidth()/2; }) | |
| .y(function(d) { return y2(d.poids); }) | |
| .curve(d3.curveMonotoneX) | |
| var tatarea = d3.area() | |
| .x(function(d) { return x(d.fruit) + x.bandwidth()/2; }) | |
| .y1(function(d) { return y2(d.poids); }) | |
| .curve(d3.curveMonotoneX) | |
| var toto = svg.selectAll("rect") | |
| .data(data) | |
| .enter() | |
| .append("rect") | |
| .attr("x", function(d,i){return x(d.fruit);}) | |
| .attr("y", function(d){return y(d.prix);}) | |
| .attr("width", x.bandwidth()) | |
| .attr("height", function(d){return chart_height - y(d.prix)}) | |
| .attr("fill", function(d){ return c(d.fruit)}) | |
| .attr("class", "rect2") | |
| .on("mouseover", function(d){ | |
| d3.select(".tooltip") | |
| .style("display", "block") | |
| .style("top", y(d.prix) + 0 + "px") | |
| .style("left", x(d.fruit) + 30 + "px") | |
| .text(d.prix + " €"); | |
| d3.select(this) | |
| .transition().duration(100) | |
| .attr("fill", "black") | |
| .attr("y", y(d.prix) - 10) | |
| }) | |
| .on("mouseout", function(d){ | |
| d3.select(".tooltip") | |
| .style("display", "none"); | |
| d3.select(this).attr("fill", c(d.fruit)); | |
| d3.select(this) | |
| .transition().duration(100) | |
| .attr("fill", c(d.fruit)) | |
| .attr("y", y(d.prix)) | |
| }) | |
| svg.append("g") | |
| .attr("transform", "translate(0," + chart_height + ")") | |
| .call(d3.axisBottom(x)); | |
| // add the y Axis | |
| svg.append("g") | |
| .call(d3.axisLeft(y)); | |
| // Add a line chart | |
| svg.append("path") | |
| .data([data]) | |
| .attr("class", "line") | |
| .attr("d", totoline); | |
| tatarea.y0(y(0)); | |
| // Add a line chart | |
| svg.append("path") | |
| .datum(data) | |
| .attr("class", "area") | |
| .attr("d", tatarea); | |
| // add some points | |
| svg.selectAll("circle") | |
| .data(data) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d){return x(d.fruit) + x.bandwidth()/2;}) | |
| .attr("cy", function(d){return y2(d.poids);}) | |
| .attr("r", function(d){return d.poids}) | |
| .attr("fill", function(d){return c(d.fruit);}) | |
| .on("mouseover", function(d){ | |
| d3.select(this) | |
| .transition().duration(100) | |
| .attr("fill", "black") | |
| .attr("r", d.poids*2.0); | |
| d3.select(".tooltip") | |
| .style("display", "block") | |
| .style("top", y2(d.poids) + 5 + "px") | |
| .style("left", x(d.fruit) + 25 + "px") | |
| .text(d.poids); | |
| }) | |
| .on("mouseout", function(d){ | |
| d3.select(this) | |
| .transition().duration(100) | |
| .attr("fill", c(d.fruit)) | |
| .attr("r", d.poids); | |
| d3.select(".tooltip") | |
| .style("display", "none"); | |
| }) | |
| }); | |
| </script> | |
| </body> |
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