forked from emagee's block: More small multiples, repeated axes
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December 12, 2018 22:54
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Small multiple area line charts
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| license: mit |
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| year | city | value | |
|---|---|---|---|
| 2012 | Hamilton | 1.724002 | |
| 2012 | Tauranga | 1.73085 | |
| 2012 | Palmerston North | 1.534094 | |
| 2012 | Wellington | 2.618341 | |
| 2012 | Christchurch | 1.902583 | |
| 2012 | Queenstown | 2.31462 | |
| 2012 | Auckland | 2.480358 | |
| 2013 | Hamilton | 1.710646 | |
| 2013 | Tauranga | 1.715279 | |
| 2013 | Palmerston North | 1.520053 | |
| 2013 | Wellington | 2.52119 | |
| 2013 | Christchurch | 2.137502 | |
| 2013 | Queenstown | 2.12775 | |
| 2013 | Auckland | 2.711748 | |
| 2014 | Hamilton | 1.697487 | |
| 2014 | Tauranga | 1.735434 | |
| 2014 | Palmerston North | 1.493198 | |
| 2014 | Wellington | 2.515387 | |
| 2014 | Christchurch | 2.050773 | |
| 2014 | Queenstown | 2.326956 | |
| 2014 | Auckland | 2.884561 | |
| 2015 | Hamilton | 1.858228 | |
| 2015 | Tauranga | 1.953395 | |
| 2015 | Palmerston North | 1.431058 | |
| 2015 | Wellington | 2.510296 | |
| 2015 | Christchurch | 1.960725 | |
| 2015 | Queenstown | 2.326798 | |
| 2015 | Auckland | 3.328215 | |
| 2016 | Hamilton | 2.230925 | |
| 2016 | Tauranga | 2.30398 | |
| 2016 | Palmerston North | 1.517878 | |
| 2016 | Wellington | 2.794279 | |
| 2016 | Christchurch | 1.917323 | |
| 2016 | Queenstown | 3.083883 | |
| 2016 | Auckland | 3.683606 | |
| 2012 | NZ | 2.072585 | |
| 2013 | NZ | 2.194391 | |
| 2014 | NZ | 2.264715 | |
| 2015 | NZ | 2.498475 | |
| 2016 | NZ | 2.905786 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px Arial; | |
| margin: 0; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: #426789; | |
| stroke-width: 2px; | |
| } | |
| .area { | |
| fill: #e8eef4; | |
| } | |
| g#xAxisG text, g#yAxisG text { | |
| stroke: none; | |
| fill: silver; | |
| font-size: 9px; | |
| } | |
| header, div#source { | |
| margin-left: 40px; | |
| margin-bottom: 38px; | |
| } | |
| </style> | |
| <body> | |
| <div id="charts"></div> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var margin = {top: 8, right: 15, bottom: 20, left: 40}, | |
| width = 180 - margin.left - margin.right, | |
| height = 120 - margin.top - margin.bottom; | |
| var xScale = d3.scaleLinear() | |
| .range([0, width]); | |
| var yScale = d3.scaleLinear() | |
| .range([height, 0]); | |
| var yAxis = d3.axisLeft() | |
| .scale(yScale) | |
| .ticks(3); | |
| var area = d3.area() | |
| .x(function(d) { return xScale(d.year); }) | |
| .y0(height) | |
| .y1(function(d) { return yScale(d.value); }); | |
| var line = d3.line() | |
| .x(function(d) { return xScale(d.year); }) | |
| .y(function(d) { return yScale(d.value); }); | |
| d3.csv("data.csv", convertTextToNumbers, function(error, data) { | |
| xScale.domain(d3.extent(data, function(d) { return d.year; })); | |
| yScale.domain([0,d3.max(data, function(d) { return d.value; })]); | |
| // Nest data by subject. | |
| var cities = d3.nest() | |
| .key(function(d) { return d.city; }) | |
| .entries(data); | |
| var nz = cities.filter(function(d){ return d.key === "NZ" }); | |
| cities = cities.filter(function(d){ return d.key !== "NZ" }); | |
| // Add an SVG element for each city | |
| var svg = d3.select("#charts").selectAll("svg") | |
| .data(cities) | |
| .enter().append("svg") | |
| .style("margin-bottom", "10px") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")") | |
| ; | |
| svg.append("path") | |
| .attr("class", "line") | |
| .attr("d", function(d) {return line(nz[0].values); }) | |
| .style("stroke", "lightgrey"); | |
| // Add the area path elements | |
| /*svg.append("path") | |
| .attr("class", "area") | |
| .attr("d", function(d) { return area(d.values); });*/ | |
| // Add the line path elements | |
| svg.append("path") | |
| .attr("class", "line") | |
| .attr("d", function(d) {return line(d.values); }); | |
| // Add a labels | |
| svg.append("text") | |
| .attr("x", (width + 10)/2) | |
| .attr("y", height - 85) | |
| .style("text-anchor", "middle") | |
| .style("font-size", "12px") | |
| .attr("fill", "#B35959") | |
| .text(function(d) { return d.key; }); | |
| svg.append("text") | |
| .text(xScale.domain()[0]) | |
| .attr("x", 0) | |
| .attr("y", height + 15) | |
| .style("text-anchor", "start") | |
| .style("font-size", "12px") | |
| .attr("fill", "#B35959"); | |
| svg.append("text") | |
| .text(xScale.domain()[1]) | |
| .attr("x", width) | |
| .attr("y", height + 15) | |
| .style("text-anchor", "end") | |
| .style("font-size", "12px") | |
| .attr("fill", "#B35959"); | |
| //add axes | |
| svg.append("g").attr("id", "yAxisG").call(yAxis); | |
| d3.selectAll("path.domain").remove(); | |
| d3.selectAll("line").style("stroke", "silver"); | |
| }); | |
| function convertTextToNumbers(d) { | |
| d.year = +d.year; | |
| d.value = +d.value; | |
| return d; | |
| } | |
| </script> |
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