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Viz - Bar - stacked - legend - hover
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| license: gpl-3.0 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| </head> | |
| <style> | |
| .viz-bar .bar{ | |
| fill: steelblue; | |
| } | |
| .viz-legend:hover{ | |
| cursor:pointer; | |
| } | |
| </style> | |
| <body> | |
| <svg width="960" height="600"> | |
| <g transform="translate(50,50)" id="bars"></g> | |
| <g transform="translate(300,500)" id="legend"></g> | |
| </svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="http://vizjs.org/viz.v1.3.0.min.js"></script> | |
| <script> | |
| var fill = {"value1":"#342E3A", "value2":"#B1200F", "value3":"#BB6622", "value4":"#BB9944"}; | |
| var keys = ["value1","value2","value3","value4"]; | |
| var data = Data(); | |
| var stack = d3.stack().keys(keys)(data) | |
| var bar = viz.bar() | |
| .key(function(d){ return d.data.key}) | |
| .value0(function(d){ return d[0]}) | |
| .value1(function(d){ return d[1]}) | |
| .valueScale(d3.scaleLinear().domain([0,4]).range([420,0])) | |
| var bars = d3.select("#bars") | |
| .selectAll(".bars") | |
| .data(stack) | |
| .enter() | |
| .append("g") | |
| .attr("class","bars") | |
| .style("fill",function(d,i){ return fill[d.key]}) | |
| bars.selectAll(".bar") | |
| .data(function(d){ return bar.data(d).bars(); }) | |
| .enter() | |
| .append("rect") | |
| .attr("class", "bar") | |
| .attr("x", function(d){ return d.x;}) | |
| .attr("y", function(d){ return d.y;}) | |
| .attr("width", function(d){ return d.width;}) | |
| .attr("height", function(d){ return d.height;}) | |
| var legend = viz.legend() | |
| .data(keys) | |
| .rows(1) | |
| .width(300) | |
| .fill(function(d){ return fill[d]}) | |
| .onMouseOver(function(k){ return update(k); }) | |
| .onMouseOut(function(k){ return update(); }) | |
| d3.select("#legend").call(legend) | |
| function update(k){ | |
| if(!arguments.length) stack = d3.stack().keys(keys)(data); | |
| else { | |
| var newdata = data.map(function(d){ return (r = {key:d.key, value1:0, value2:0, value3:0, value4:0}, r[k]=d[k], r); }); | |
| stack = d3.stack().keys(keys)(newdata); | |
| } | |
| bars | |
| .data(stack) | |
| .selectAll(".bar") | |
| .data(function(d){ return bar.data(d).bars(); }) | |
| .transition().duration(500) | |
| .attr("x", function(d){ return d.x;}) | |
| .attr("y", function(d){ return d.y;}) | |
| .attr("width", function(d){ return d.width;}) | |
| .attr("height", function(d){ return d.height;}); | |
| } | |
| function Data(){ | |
| return d3.range(20).map(function(i){ return {key:i, value1: Math.random(), value2: Math.random(), value3: Math.random(), value4: Math.random()}; }); | |
| } | |
| // adjust the bl.ocks frame dimension. | |
| d3.select(self.frameElement).style("height", "600px"); | |
| </script> |
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