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June 2, 2016 14:20
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d3
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| /* CSS goes here. */ | |
| body { | |
| font: 12px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .x.axis path { | |
| display: line; | |
| } | |
| .y.axis path { | |
| display: line; | |
| } | |
| .grid .tick { | |
| stroke: black; | |
| stroke-width: 0.2px; | |
| opacity: 5; | |
| } | |
| .rect { | |
| fill:black; | |
| stroke:none; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: #1c9099; | |
| stroke-width: 3.5px; | |
| } | |
| </style> | |
| <body> | |
| <div class="titles-top"> | |
| <h1 class="title"> Test one line </h2 | |
| <h2 class= "subtitle"> Test one line Test one line </h2> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| // Set the dimensions of the canvas / graph | |
| // Set the dimensions of the canvas / graph | |
| var margin = {top: 50, right: 20, bottom: 30, left: 50}, | |
| width = 900 - margin.left - margin.right, | |
| height = 300 - margin.top - margin.bottom; | |
| padding = 1; | |
| // Parse the date / time | |
| var parseDate = d3.time.format("%d-%b-%y").parse, | |
| formatDate = d3.time.format("%b"), | |
| bisectDate = d3.bisector(function(d) { return d.date; }).left; | |
| // Set the ranges | |
| var x = d3.time.scale().range([0, width]); | |
| var y = d3.scale.linear().range([height, 0]); | |
| // Define the axes | |
| var xAxis = d3.svg.axis().scale(x) | |
| .orient("bottom") | |
| .tickFormat(d3.time.format("%b")); | |
| var yAxis = d3.svg.axis().scale(y) | |
| .orient("left"); | |
| // Define the line | |
| var line = d3.svg.line() | |
| .interpolate("cardinal") | |
| .x(function(d) { return x(d.date); }) | |
| .y(function(d) { return y(d.close); }); | |
| // Adds the svg canvas | |
| 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 lineSvg = svg.append("g"); | |
| var focus = svg.append("g") | |
| .style("display", "none"); | |
| // Get the data | |
| d3.csv("data.csv", function(error, data) { | |
| data.forEach(function(d) { | |
| d.date = parseDate(d.date); | |
| d.close = +d.close; | |
| }); | |
| // Scale the range of the data | |
| x.domain(d3.extent(data, function(d) { return d.date; })); | |
| y.domain([0, d3.max(data, function(d) { return d.close; })]); | |
| // Add the valueline path. | |
| lineSvg.append("path") | |
| .attr("class", "line") | |
| .attr("d", line(data)); | |
| // Add the X Axis | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| // Add the Y Axis | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| // append the x line | |
| focus.append("line") | |
| .attr("class", "x") | |
| .style("stroke", "grey") | |
| .style("stroke-dasharray", "4") | |
| .style("stroke-width", 2.8) | |
| .style("opacity", 5) | |
| .attr("y1", -y) | |
| .attr("y2", height); | |
| // append the y line | |
| focus.append("line") | |
| .attr("class", "y") | |
| .style("stroke", "grey") | |
| .style("stroke-dasharray", "4") | |
| .style("stroke-width", 2.8) | |
| .style("opacity", 5) | |
| .attr("x1", width) | |
| .attr("x2", width); | |
| // append the circle at the intersection | |
| focus.append("circle") | |
| .attr("class", "y") | |
| .style("fill", "white") | |
| .style("stroke", "#1c9099") | |
| .style("stroke-width", 4) | |
| .attr("r", 7); | |
| // place the value at the intersection | |
| focus.append("text") | |
| .attr("class", "y1") | |
| .style("opacity", 0.8) | |
| .style("background", "white") | |
| .attr("dx", -5) | |
| .attr("dy", "-15"); | |
| focus.append("text") | |
| .attr("class", "y2") | |
| .attr("dx", -5) | |
| .attr("dy", "-15"); | |
| // place the date at the intersection | |
| focus.append("text") | |
| .attr("class", "y3") | |
| .style("opacity", 0.8) | |
| .attr("dx", -5) | |
| .attr("dy", "-30"); | |
| focus.append("text") | |
| .attr("class", "y4") | |
| .attr("dx", -5) | |
| .attr("dy", "-30"); | |
| // append the rectangle to capture mouse | |
| svg.append("rect") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .style("fill", "none") | |
| .style("pointer-events", "all") | |
| .on("mouseover", function() { focus.style("display", null); }) | |
| .on("mouseout", function() { focus.style("display", "none"); }) | |
| .on("mousemove", mousemove); | |
| function mousemove() { | |
| var x0 = x.invert(d3.mouse(this)[0]), | |
| i = bisectDate(data, x0, 1), | |
| d0 = data[i - 1], | |
| d1 = data[i], | |
| d = x0 - d0.date > d1.date - x0 ? d1 : d0; | |
| focus.select("circle.y") | |
| .attr("transform", | |
| "translate(" + x(d.date) + "," + | |
| y(d.close) + ")"); | |
| focus.select("text.y1") | |
| .attr("transform", | |
| "translate(" + x(d.date) + "," + | |
| y(d.close) + ")") | |
| .text(d.close); | |
| focus.select("text.y2") | |
| .attr("transform", | |
| "translate(" + x(d.date) + "," + | |
| y(d.close) + ")") | |
| .text(d.close); | |
| focus.select("text.y3") | |
| .attr("transform", | |
| "translate(" + x(d.date) + "," + | |
| y(d.close) + ")") | |
| .text(formatDate(d.date)); | |
| focus.select("text.y4") | |
| .attr("transform", | |
| "translate(" + x(d.date) + "," + | |
| y(d.close) + ")") | |
| .text(formatDate(d.date)); | |
| focus.select(".x") | |
| .attr("transform", | |
| "translate(" + x(d.date) + "," + | |
| y(d.close) + ")") | |
| .attr("y2", height - y(d.close)); | |
| focus.select(".y") | |
| .attr("transform", | |
| "translate(" + width * -1 + "," + | |
| y(d.close) + ")") | |
| .attr("x2", width + width); | |
| } | |
| }); | |
| </script> |
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