| license: mit |
Built with blockbuilder.org
forked from romsson's block: D3 bar chart without data-binding
forked from anonymous's block: D3 bar chart with data-binding
forked from anonymous's block: D3 bar chart with data-binding
forked from romsson's block: D3 bar chart with data-binding
| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| rect { | |
| fill: white; | |
| stroke: black; | |
| stroke-width: 1; | |
| } | |
| path { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 1; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500); | |
| function generate_data() { | |
| return d3.range(10).map(function() { | |
| return Math.random(); | |
| }); | |
| } | |
| var data = generate_data(); | |
| var y = d3.scaleLinear() | |
| .domain([0, d3.max(data)]) | |
| .range([0, +d3.select("svg").attr("height")/3]); | |
| var r = d3.scaleLinear() | |
| .domain([0, d3.max(data)]) | |
| .range([2, 10]); | |
| // ordinal | |
| var x = d3.scaleBand() | |
| .domain(d3.range(10)) | |
| .range([0, +d3.select("svg").attr("width")]); | |
| var s = svg.selectAll("rect").data(data); | |
| s.enter() | |
| .append("rect") | |
| svg.selectAll("rect").data(data) | |
| .attr("width", function(d, i) { return x.bandwidth(); }) | |
| .attr("height", function(d, i) { return y(d); }) | |
| .attr("x", function(d, i) { return x(i); }) | |
| .attr("y", function(d) { return 200 - y(d); }) | |
| svg.selectAll("rect") | |
| .attr("width", function(d, i) { return x.bandwidth(); }) | |
| .attr("height", function(d, i) { return y(d); }) | |
| .on("mouseenter", function(d) { | |
| if(typeof d.__clicked === "undefined" || d.__clicked !== true) { | |
| d3.select(this).style("fill", "red") | |
| } | |
| }) | |
| .on("mouseleave", function(d) { | |
| if(typeof d.__clicked === "undefined" || d.__clicked !== true) { | |
| d3.select(this).style("fill", "white") | |
| } | |
| }) | |
| .on("click", function(d) { | |
| d3.select(this).transition().duration(1000).style("fill", "green") | |
| d.__clicked = true; | |
| }); | |
| var s = svg.selectAll("circle").data(data); | |
| s.enter() | |
| .append("circle") | |
| svg.selectAll("circle").data(data) | |
| .attr("cx", function(d, i) { return x(i) + x.bandwidth() / 2; }) | |
| .attr("cy", function(d) { return 200 - y(d); }) | |
| .attr("r", function(d) { return r(d); }); | |
| var line = d3.line() | |
| .x(function(d, i) { return x(i) + x.bandwidth() /2 ; }) | |
| .y(function(d) { return 200 - y(d); }); | |
| var s = svg.selectAll("path").data([data]).enter() | |
| .append("path") | |
| .attr("d", function(d) { return line(d); }) | |
| </script> | |
| </body> |