The lake elevation of Thunderbird for the last two years. The Line chart is rendered with D3, and has a red area underneath the average elevation.
Last active
December 16, 2015 06:29
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Area shaded line chart
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .x.axis path { | |
| display: none; | |
| } | |
| .area.above { | |
| fill: #E89B9B; | |
| } | |
| .area.below { | |
| fill: blue; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var margin = {top: 20, right: 20, bottom: 30, left: 50}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var parseDate = d3.time.format("%b-%y").parse; | |
| var x = d3.time.scale() | |
| .range([0, width]); | |
| var y = d3.scale.linear() | |
| .range([height, 0]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var line = d3.svg.area() | |
| .interpolate("basis") | |
| .x(function(d) { return x(d.date); }) | |
| .y(function(d) { return y(d["Thunderbird"]); }); | |
| var area = d3.svg.area() | |
| .interpolate("basis") | |
| .x(function(d) { return x(d.date); }) | |
| .y1(function(d) { return y(d["Thunderbird"]); }); | |
| 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 + ")"); | |
| d3.tsv("thunderbird.tsv", function(error, data) { | |
| data.forEach(function(d) { | |
| d.date = parseDate(d.date); | |
| d["Thunderbird"]= +d["Thunderbird"]; | |
| d["Normal"] = +d["Normal"]; | |
| }); | |
| x.domain(d3.extent(data, function(d) { return d.date; })); | |
| y.domain([ | |
| d3.min(data, function(d) { return Math.min(d["Thunderbird"], d["Normal"]); }), | |
| d3.max(data, function(d) { return (Math.max(d["Thunderbird"], d["Normal"]+1)); }) | |
| ]); | |
| svg.datum(data); | |
| svg.append("clipPath") | |
| .attr("id", "clip-below") | |
| .append("path") | |
| .attr("d", area.y0(height)); | |
| svg.append("clipPath") | |
| .attr("id", "clip-above") | |
| .append("path") | |
| .attr("d", area.y0(0)); | |
| svg.append("path") | |
| .attr("class", "area above") | |
| .attr("clip-path", "url(#clip-above)") | |
| .attr("d", area.y0(function(d) { return y(d["Normal"]); })); | |
| svg.append("path") | |
| .attr("class", "area below") | |
| .attr("clip-path", "url(#clip-below)") | |
| .attr("d", area); | |
| svg.append("path") | |
| .attr("class", "line") | |
| .attr("d", line); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(1," + height + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis) | |
| .append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("transform", "translate(50, 0)") | |
| .attr("y", 6) | |
| .attr("dy", ".71em") | |
| .style("text-anchor", "end") | |
| .text("Elevation"); | |
| var legend = svg.selectAll(".legend") | |
| //.data(ageNames.slice().reverse()) | |
| // .enter().append("g") | |
| .attr("class", "legend") | |
| .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; }); | |
| legend.append("rect") | |
| .attr("x", width - 18) | |
| .attr("width", 18) | |
| .attr("height", 18) | |
| .style("fill", "#E89B9B"); | |
| legend.append("text") | |
| .attr("x", width - 24) | |
| .attr("y", 9) | |
| .attr("dy", ".35em") | |
| .style("text-anchor", "end") | |
| .text(function(d) { return d; }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| date | Thunderbird | Normal | |
|---|---|---|---|
| Feb-11 | 1036.38 | 1039 | |
| Mar-11 | 1036.3 | 1039 | |
| Apr-11 | 1035.88 | 1039 | |
| May-11 | 1036.57 | 1039 | |
| Jun-11 | 1037.19 | 1039 | |
| Jul-11 | 1036.19 | 1039 | |
| Aug-11 | 1035.23 | 1039 | |
| Sep-11 | 1034.23 | 1039 | |
| Oct-11 | 1033.95 | 1039 | |
| Nov-11 | 1034.04 | 1039 | |
| Dec-11 | 1034.09 | 1039 | |
| Jan-12 | 1033.91 | 1039 | |
| Feb-12 | 1034.02 | 1039 | |
| Mar-12 | 1035.02 | 1039 | |
| Apr-12 | 1036.94 | 1039 | |
| May-12 | 1036.93 | 1039 | |
| Jun-12 | 1036.41 | 1039 | |
| Jul-12 | 1035.36 | 1039 | |
| Aug-12 | 1034.21 | 1039 | |
| Sep-12 | 1033.44 | 1039 | |
| Oct-12 | 1032.9 | 1039 | |
| Nov-12 | 1032.35 | 1039 | |
| Dec-12 | 1031.81 | 1039 | |
| Jan-13 | 1031.51 | 1039 | |
| Feb-13 | 1031.48 | 1039 |
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