Created for #KnightD3, a vertical bar chart with negative values. Based on (and slightly bastardised) Mike Bostock's "Bar chart with negative values" http://bl.ocks.org/mbostock/2368837 There are some aspects that could be done more elegantly / D3-ish ways. (E.g. x axis values should be formatted as proper dates, not numbers). < thanks to [~jalapic] for the tip, nicely fixed!
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September 9, 2015 08:34
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Vertical bar chart with negative values
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| var margin = { | |
| top: 10, | |
| right: 10, | |
| bottom: 20, | |
| left: 30 | |
| }, | |
| width = 920 - margin.left - margin.right, | |
| height = 400 - margin.top - margin.bottom; | |
| var y = d3.scale.linear() | |
| .range([height, 0]); | |
| var x = d3.scale.ordinal() | |
| .rangeRoundBands([0, width], .2); | |
| var xAxisScale = d3.scale.linear() | |
| .domain([1880, 2015]) | |
| .range([ 0, width]); | |
| var xAxis = d3.svg.axis() | |
| .scale(xAxisScale) | |
| .orient("bottom") | |
| .tickFormat(d3.format("d")); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var svg = d3.select("#chart").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.csv("Land-Ocean-TempIndex-YR.csv", type, function(error, data) { | |
| x.domain(data.map(function(d) { | |
| return d.Year; | |
| })); | |
| y.domain(d3.extent(data, function(d) { | |
| return d.Celsius; | |
| })).nice(); | |
| svg.selectAll(".bar") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("class", function(d) { | |
| if (d.Celsius < 0){ | |
| return "bar negative"; | |
| } else { | |
| return "bar positive"; | |
| } | |
| }) | |
| .attr("data-yr", function(d){ | |
| return d.Year; | |
| }) | |
| .attr("data-c", function(d){ | |
| return d.Celsius; | |
| }) | |
| .attr("title", function(d){ | |
| return (d.Year + ": " + d.Celsius + " °C") | |
| }) | |
| .attr("y", function(d) { | |
| if (d.Celsius > 0){ | |
| return y(d.Celsius); | |
| } else { | |
| return y(0); | |
| } | |
| }) | |
| .attr("x", function(d) { | |
| return x(d.Year); | |
| }) | |
| .attr("width", x.rangeBand()) | |
| .attr("height", function(d) { | |
| return Math.abs(y(d.Celsius) - y(0)); | |
| }) | |
| .on("mouseover", function(d){ | |
| // alert("Year: " + d.Year + ": " + d.Celsius + " Celsius"); | |
| d3.select("#_yr") | |
| .text("Year: " + d.Year); | |
| d3.select("#degrree") | |
| .text(d.Celsius + "°C"); | |
| }); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .append("text") | |
| .text("°Celsius") | |
| .attr("transform", "translate(15, 40), rotate(-90)") | |
| svg.append("g") | |
| .attr("class", "X axis") | |
| .attr("transform", "translate(" + (margin.left - 6.5) + "," + height + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .append("line") | |
| .attr("y1", y(0)) | |
| .attr("y2", y(0)) | |
| .attr("x2", width); | |
| svg.append("g") | |
| .attr("class", "infowin") | |
| .attr("transform", "translate(50, 5)") | |
| .append("text") | |
| .attr("id", "_yr"); | |
| svg.append("g") | |
| .attr("class", "infowin") | |
| .attr("transform", "translate(110, 5)") | |
| .append("text") | |
| .attr("id","degrree"); | |
| }); | |
| function type(d) { | |
| d.Celsius = +d.Celsius; | |
| return d; | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Land Ocean Temperature Index</title> | |
| <!-- // <script type="text/javascript" src="../d3.v3.js"></script> --> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script> | |
| <style type="text/css"> | |
| html, body, * { | |
| font-family: Arial, sans-serif; | |
| text-align: center; | |
| font-size: 14px 65%; | |
| } | |
| div#title { | |
| width: 880px; | |
| margin: 10px auto 0; | |
| padding: 5px 20px; | |
| background-color: grey; | |
| border: 1px solid grey; | |
| color: white; | |
| box-shadow: 3px 0px 3px lightgrey; | |
| } | |
| h1 { | |
| font-family: Georgia, serif; | |
| font-size: 1.4em; | |
| letter-spacing: 1px; | |
| margin: 0 auto; | |
| } | |
| h2 { | |
| font-size: .8em; | |
| font-weight:100; | |
| margin: .3em auto; | |
| } | |
| div#chart { | |
| width:920px; | |
| margin: 0 auto 1em; | |
| border: 1px solid grey; | |
| box-shadow: 3px 3px 3px lightgrey; | |
| } | |
| .bar.positive { | |
| fill: darkred; | |
| } | |
| .bar.negative { | |
| fill: steelblue; | |
| } | |
| g.infowin { | |
| fill: grey; | |
| } | |
| g.infowin text, | |
| .axis text { | |
| font: 11px sans-serif; | |
| fill:grey; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| path.domain { | |
| stroke:none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="title"> | |
| <h1> | |
| Land & Ocean Temperature Annual Index, 1880 - 2015 | |
| </h1> | |
| <h2>Base period: 1951-1980 | Hover your cursor over bar to get exact figures</h2> | |
| </div> | |
| <div id="chart"></div> | |
| <script type="text/javascript" src="./horizontal-bar-temperatures.js"></script> | |
| </body> | |
| </html> |
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| Year | Celsius | |
|---|---|---|
| 1880 | -0.185 | |
| 1881 | -0.08 | |
| 1882 | -0.13 | |
| 1883 | -0.175 | |
| 1884 | -0.29 | |
| 1885 | -0.275 | |
| 1886 | -0.275 | |
| 1887 | -0.315 | |
| 1888 | -0.155 | |
| 1889 | -0.145 | |
| 1890 | -0.365 | |
| 1891 | -0.21 | |
| 1892 | -0.24 | |
| 1893 | -0.225 | |
| 1894 | -0.275 | |
| 1895 | -0.19 | |
| 1896 | -0.14 | |
| 1897 | -0.11 | |
| 1898 | -0.28 | |
| 1899 | -0.185 | |
| 1900 | -0.06 | |
| 1901 | -0.13 | |
| 1902 | -0.265 | |
| 1903 | -0.4 | |
| 1904 | -0.465 | |
| 1905 | -0.24 | |
| 1906 | -0.2 | |
| 1907 | -0.41 | |
| 1908 | -0.43 | |
| 1909 | -0.485 | |
| 1910 | -0.38 | |
| 1911 | -0.445 | |
| 1912 | -0.37 | |
| 1913 | -0.345 | |
| 1914 | -0.16 | |
| 1915 | -0.115 | |
| 1916 | -0.275 | |
| 1917 | -0.385 | |
| 1918 | -0.255 | |
| 1919 | -0.185 | |
| 1920 | -0.26 | |
| 1921 | -0.185 | |
| 1922 | -0.28 | |
| 1923 | -0.265 | |
| 1924 | -0.255 | |
| 1925 | -0.225 | |
| 1926 | -0.1 | |
| 1927 | -0.215 | |
| 1928 | -0.19 | |
| 1929 | -0.36 | |
| 1930 | -0.12 | |
| 1931 | -0.075 | |
| 1932 | -0.205 | |
| 1933 | -0.265 | |
| 1934 | -0.1 | |
| 1935 | -0.19 | |
| 1936 | -0.13 | |
| 1937 | -0.045 | |
| 1938 | 0.005 | |
| 1939 | -0.06 | |
| 1940 | 0.095 | |
| 1941 | 0.13 | |
| 1942 | 0.12 | |
| 1943 | 0.135 | |
| 1944 | 0.265 | |
| 1945 | 0.11 | |
| 1946 | -0.02 | |
| 1947 | -0.035 | |
| 1948 | -0.09 | |
| 1949 | -0.09 | |
| 1950 | -0.18 | |
| 1951 | -0.015 | |
| 1952 | 0 | |
| 1953 | 0.085 | |
| 1954 | -0.135 | |
| 1955 | -0.17 | |
| 1956 | -0.205 | |
| 1957 | 0.03 | |
| 1958 | 0.025 | |
| 1959 | 0.04 | |
| 1960 | -0.01 | |
| 1961 | 0.06 | |
| 1962 | 0.02 | |
| 1963 | 0.06 | |
| 1964 | -0.23 | |
| 1965 | -0.1 | |
| 1966 | -0.04 | |
| 1967 | -0.03 | |
| 1968 | -0.1 | |
| 1969 | 0.065 | |
| 1970 | 0.025 | |
| 1971 | -0.075 | |
| 1972 | 0.025 | |
| 1973 | 0.14 | |
| 1974 | -0.07 | |
| 1975 | -0.01 | |
| 1976 | -0.095 | |
| 1977 | 0.205 | |
| 1978 | 0.075 | |
| 1979 | 0.145 | |
| 1980 | 0.285 | |
| 1981 | 0.325 | |
| 1982 | 0.135 | |
| 1983 | 0.31 | |
| 1984 | 0.15 | |
| 1985 | 0.15 | |
| 1986 | 0.15 | |
| 1987 | 0.345 | |
| 1988 | 0.42 | |
| 1989 | 0.33 | |
| 1990 | 0.415 | |
| 1991 | 0.42 | |
| 1992 | 0.225 | |
| 1993 | 0.25 | |
| 1994 | 0.325 | |
| 1995 | 0.46 | |
| 1996 | 0.345 | |
| 1997 | 0.465 | |
| 1998 | 0.63 | |
| 1999 | 0.41 | |
| 2000 | 0.425 | |
| 2001 | 0.545 | |
| 2002 | 0.6 | |
| 2003 | 0.6 | |
| 2004 | 0.555 | |
| 2005 | 0.685 | |
| 2006 | 0.64 | |
| 2007 | 0.635 | |
| 2008 | 0.54 | |
| 2009 | 0.65 | |
| 2010 | 0.72 | |
| 2011 | 0.575 | |
| 2012 | 0.63 | |
| 2013 | 0.655 | |
| 2014 | 0.775 | |
| 2015 | 0.37 |
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