Answer to this stackoverflow question which really just needed a bit of work to the forEach loop. Also, the gist was created from the command line using gist-put by Andy Winterman.
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August 29, 2015 13:57
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Simple Line Chart
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| first | second | |
|---|---|---|
| 2 | 2 | |
| 3 | 3 | |
| 4 | 4 | |
| 5 | 4 | |
| 5.5 | 5 | |
| 6 | 6 | |
| 6 | 7 | |
| 6.5 | 8 | |
| 6.5 | 16 | |
| 17 | 16 |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>D3 test</title> | |
| <style> | |
| .grid .tick { | |
| stroke: lightgrey; | |
| opacity: 0.7; | |
| } | |
| .grid path { | |
| stroke-width: 0; | |
| } | |
| .chart { | |
| } | |
| .main text { | |
| font: 10px sans-serif; | |
| } | |
| .axis line, .axis path { | |
| shape-rendering: crispEdges; | |
| stroke: black; | |
| fill: none; | |
| } | |
| circle { | |
| fill: steelblue; | |
| } | |
| </style> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| </head> | |
| <body> | |
| <div class='content'> | |
| <!-- /the chart goes here --> | |
| </div> | |
| </body> | |
| <script type="text/javascript"> | |
| var data = []; | |
| d3.csv("data.csv", function(csvData) { | |
| csvData.forEach(function (d,i) { | |
| data[i] = { | |
| first: +d.first, | |
| second: +d.second | |
| } | |
| }); | |
| console.log(data); | |
| var color = d3.scale.ordinal().range(["#b41f2d", "#ff7f0e"]); | |
| var margin = { | |
| top: 20, | |
| right: 15, | |
| bottom: 60, | |
| left: 25 | |
| }, width = 950 - margin.left - margin.right, | |
| height = 480 - margin.top - margin.bottom; | |
| var x = d3.scale.linear() | |
| .domain([0, d3.max(data, function(d) { | |
| return d.first; | |
| })]) | |
| .range([0, width]); | |
| var y = d3.scale.linear() | |
| .domain([0, d3.max(data, function(d) { | |
| return d.second; | |
| })]) | |
| //.range([height, 0]) //flip y | |
| .range([0, height]); | |
| var chart = d3.select('body') | |
| .append('svg:svg') | |
| .attr('width', width + margin.right + margin.left) | |
| .attr('height', height + margin.top + margin.bottom) | |
| .attr('class', 'chart'); | |
| var main = chart.append('g') | |
| .attr('transform', 'translate(' + margin.left + ',' + margin.top + ')') | |
| .attr('width', width) | |
| .attr('height', height) | |
| .attr('class', 'main'); | |
| // draw the x axis | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| //.orient('bottom') | |
| .orient('top'); // adjust ticks to new x axis position | |
| main.append('g') | |
| //.attr('transform', 'translate(0,' + height + ')') | |
| .attr('transform', 'translate(0,0)') // move x axis up | |
| .attr('class', 'main axis date') | |
| .call(xAxis); | |
| // draw the y axis | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient('left'); | |
| main.append('g') | |
| .attr('transform', 'translate(0,0)') | |
| .attr('class', 'main axis date') | |
| .call(yAxis); | |
| var g = main.append("svg:g"); | |
| g.selectAll("scatter-dots") | |
| .data(data) | |
| .enter().append("svg:circle") | |
| .attr("cx", function(d, i) { | |
| return x(d.first); | |
| }) | |
| .attr("cy", function(d) { | |
| return y(d.second); | |
| }) | |
| .attr("r", 5) | |
| .style("fill", function(d,i) { | |
| return color(i); | |
| }); | |
| // begin of drawing lines | |
| var line = d3.svg.line() | |
| .x(function(d) { | |
| return x(d.first) | |
| }) | |
| .y(function(d) { | |
| return y(d.second); | |
| }) | |
| .interpolate("linear"); | |
| g.append("path") | |
| .attr("d", function(d) { | |
| return line(data) | |
| }) | |
| .attr("transform", "translate(0,0)") | |
| .style("stroke-width", 2) | |
| .style("stroke", "steelblue") | |
| .style("fill", "none"); | |
| // end of drawing lines | |
| main.append("g") | |
| .attr("class", "grid") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(make_x_axis() | |
| .tickSize(-height, 0, 0) | |
| .tickFormat("")) | |
| main.append("g") | |
| .attr("class", "grid") | |
| .call(make_y_axis() | |
| .tickSize(-width, 0, 0) | |
| .tickFormat("")) | |
| function make_x_axis() { | |
| return d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom") | |
| .ticks(30) | |
| } | |
| function make_y_axis() { | |
| return d3.svg.axis() | |
| .scale(y) | |
| .orient("left") | |
| .ticks(17) | |
| } | |
| }); | |
| </script> | |
| </html> |
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