Sample for:
Y axis label word wrap/ Label centered on the scale / Horizontal bar with different color(data) / Date x axis / Grid lines
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April 12, 2018 11:28
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D3 v4 - Y axis label word wrap/ Label centered on the scale / Horizontal bar with different color(data) / Date x axis / Grid lines
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| license: mit |
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| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <title></title> | |
| <link href="stylesheets/charts.css" rel="stylesheet" /> | |
| <style> | |
| svg { | |
| width: 100%; | |
| height: 100%; | |
| position: center; | |
| } | |
| .passBar { | |
| fill: #a6f3a6; | |
| } | |
| .failBar { | |
| fill: #f8cbcb; | |
| } | |
| .grid line { | |
| stroke: white; | |
| stroke-width: 2px; | |
| } | |
| .xAxis { | |
| font-size: 15px; | |
| shape-rendering: crispEdges; | |
| } | |
| .yAxis { | |
| font-size: 15px; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var tempArray2 = [{date: "2017/3/11", ratio: 1}, {date: "2017/3/12", ratio: 0.5}, {date: "2017/3/13", ratio: 0.3}, {date: "2017/3/14", ratio: 0}, {date: "2017/3/15", ratio: 0.8}]; | |
| var margin = {top: 20, right: 20, bottom: 40, left: 80}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| barHeight = 40; | |
| labelWidth = 0; | |
| tempArray2.sort(function (a, b) { | |
| return new Date(a.date) - new Date(b.date); | |
| }) | |
| dateRange = Math.round((new Date(tempArray2[tempArray2.length - 1].date) - new Date(tempArray2[0].date))/1000/3600/24); | |
| svg = d3.select('body') | |
| .append("svg") | |
| .attr("style", "width: 960px\; height: 500px\;"); | |
| var x = d3.scaleUtc().range([0, width]) | |
| .domain([toUTCDate(tempArray2[0].date), calculateDays(toUTCDate(tempArray2[tempArray2.length - 1].date), 1)]); | |
| var y = d3.scaleBand() | |
| .range([height, 0]) | |
| .padding(0.1) | |
| .domain(["Domain for testinginginging", "Another domain used for testing", "Horizontal bar"]); | |
| passBar = svg.selectAll(".passBar") | |
| .data(tempArray2) | |
| .enter(); | |
| passBar.append("rect") | |
| .attr("class", "passBar") | |
| .attr("height", barHeight) | |
| .attr("width", function(d){ | |
| return x(calculateDays(toUTCDate(d.date), d.ratio)) - x(toUTCDate(d.date)); | |
| }) | |
| .attr("y", y("Horizontal bar") + (y.bandwidth() - barHeight)/2) | |
| .attr("transform", function(d){ | |
| return "translate(" + (margin.left + x(toUTCDate(d.date))) + ", 0)"; | |
| }); | |
| failBar = svg.selectAll(".failBar") | |
| .data(tempArray2) | |
| .enter(); | |
| failBar.append("rect") | |
| .attr("class", "failBar") | |
| .attr("height", barHeight) | |
| .attr("width", function(d){ | |
| return x(calculateDays(toUTCDate(d.date), 1 - d.ratio)) - x(toUTCDate(d.date)); | |
| }) | |
| .attr("y", y("Horizontal bar") + (y.bandwidth() - barHeight)/2) | |
| .attr("transform", function(d){ | |
| return "translate(" + (margin.left + x(toUTCDate(d.date)) + x(calculateDays(toUTCDate(d.date), d.ratio)) - x(toUTCDate(d.date))) + ", 0)"; | |
| }); | |
| //add grid lines | |
| svg.append("g") | |
| .attr("class", "grid") | |
| .attr("transform", "translate(" + margin.left + "," + height + ")") | |
| .call(make_x_gridlines(dateRange) | |
| .tickSize(-height) | |
| .tickFormat("") | |
| ) | |
| // always draw axis at last | |
| svg.append("g") | |
| .attr("transform", "translate(" + margin.left + "," + height + ")") | |
| .attr("class", "xAxis") | |
| .call(d3.axisBottom(x).ticks(dateRange).tickFormat(d3.utcFormat("%m-%d"))) | |
| .selectAll("text") | |
| .style("text-anchor", "middle"); | |
| svg.append("g") | |
| .attr("transform", "translate(" + margin.left + ", 0)") | |
| .attr("class", "yAxis") | |
| .call(d3.axisLeft(y)) | |
| .selectAll("text") | |
| .attr("class", "cateName") | |
| .style("text-anchor", "start") | |
| .call(wrapText, margin.left - 13); | |
| function calculateDays(date, number) { | |
| date.setUTCHours(Math.round(number*24 - number*24%1)); | |
| date.setUTCMinutes(Math.round(number*24%1*60)); | |
| return date; | |
| } | |
| function make_x_gridlines(tickTime) { | |
| return d3.axisBottom(x).ticks(tickTime); | |
| } | |
| function toUTCDate(input) { | |
| var tempDate = new Date(input); | |
| return new Date(Date.UTC(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate())); | |
| } | |
| function wrapText(text, width) { | |
| text.each(function() { | |
| var text = d3.select(this), | |
| textContent = text.text(), | |
| tempWord = addBreakSpace(textContent).split(/\s+/), | |
| x = text.attr('x'), | |
| y = text.attr('y'), | |
| dy = parseFloat(text.attr('dy') || 0), | |
| tspan = text.text(null).append('tspan').attr('x', x).attr('y', y).attr('dy', dy + 'em'); | |
| for (var i = 0; i < tempWord.length; i++) { | |
| tempWord[i] = calHyphen(tempWord[i]); | |
| } | |
| textContent = tempWord.join(" "); | |
| var words = textContent.split(/\s+/).reverse(), | |
| word, | |
| line = [], | |
| lineNumber = 0, | |
| lineHeight = 1.1, // ems | |
| spanContent, | |
| breakChars = ['/', '&', '-']; | |
| while (word = words.pop()) { | |
| line.push(word); | |
| tspan.text(line.join(' ')); | |
| if (tspan.node().getComputedTextLength() > width) { | |
| line.pop(); | |
| spanContent = line.join(' '); | |
| breakChars.forEach(function(char) { | |
| // Remove spaces trailing breakChars that were added above | |
| spanContent = spanContent.replace(char + ' ', char); | |
| }); | |
| tspan.text(spanContent); | |
| line = [word]; | |
| tspan = text.append('tspan').attr('x', x).attr('y', y).attr('dy', ++lineNumber * lineHeight + dy + 'em').text(word); | |
| } | |
| } | |
| var emToPxRatio = parseInt(window.getComputedStyle(text._groups[0][0]).fontSize.slice(0,-2)); | |
| text.attr("transform", "translate(-" + (margin.left - 13) + ", -" + lineNumber/2 * lineHeight * emToPxRatio + ")"); | |
| function calHyphen(word) { | |
| tspan.text(word); | |
| if (tspan.node().getComputedTextLength() > width) { | |
| var chars = word.split(''); | |
| var asword = ""; | |
| for (var i = 0; i < chars.length; i++) { | |
| asword += chars[i]; | |
| tspan.text(asword); | |
| if (tspan.node().getComputedTextLength() > width) { | |
| if (chars[i - 1] !== "-") { | |
| word = word.slice(0, i - 1) + "- " + calHyphen(word.slice(i - 1)); | |
| } | |
| i = chars.length; | |
| } | |
| } | |
| } | |
| return word; | |
| } | |
| }); | |
| function addBreakSpace(inputString) { | |
| var breakChars = ['/', '&', '-'] | |
| breakChars.forEach(function(char) { | |
| // Add a space after each break char for the function to use to determine line breaks | |
| inputString = inputString.replace(char, char + ' '); | |
| }); | |
| return inputString; | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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how to fix: Uncaught TypeError: Cannot read property '0' of undefined
in this line: var emToPxRatio = parseInt(window.getComputedStyle(text._groups[0][0]).fontSize.slice(0,-2));
or how to understand this row?