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emagee/fruit.html

Created April 25, 2015 17:30
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fruit troubleshoot
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fruit.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Fruits Availability Per Capita in the US, 1970-2012</title>
<script type="text/javascript" src="http://d3js.org/d3.v3.js"></script>
<style type="text/css">
body {
background-color: white;
font-family: Helvetica, Arial, sans-serif;
}
h1 {
font-family: Cambria, Georgia, serif; font-size: 24px;
margin-left: 100px; color: dimgray;
}
h2 {
font-family: Helvetica, Ariel, sans-serif; font-size: 14px;
margin-left: 100px; color: dimgray;
}
blockquote {margin-left: 110px;}
p {
font-size: 10px;
color: dimgray;
margin: 10px 0 0 0;
}
svg {
background-color: white;
}
circle:hover {
fill: blue;
}
path {
stroke: gray;
stroke-width: 0.5;
}
g.highlight_Grapefruit path {
stroke: #FF9933;
stroke-width: 4;
}
path:hover {
stroke: #ff4444;
stroke-width: 4;
}
.axis path,
.axis line {
fill: none;
stroke: gray;
stroke-width: 1;
shape-rendering: crispEdges;
}
.axis text {
font-family: sans-serif;
font-size: 11px;
}
text.label {
font-size: 12px;
}
</style>
</head>
<body>
<h1>Availability of Your Favorite Fruits Over the Years</h1>
<h2>Fruits availability in the United States, pounds per capita by type, 1970-2012</h2>
<script type="text/javascript">
//Dimensions and padding
var w = 1100;
var h = 800;
var padding = [ 20, 10, 50, 100 ]; //Top, right, bottom, left
//Set up date formatting and years
var dateFormat = d3.time.format("%Y");
//Set up scales
var xScale = d3.time.scale()
.range([ padding[3], w - padding[1] - padding[3] ]);
var yScale = d3.scale.linear()
.range([ padding[0], h - padding[2] ]);
//Configure axis generators
var xAxis = d3.svg.axis()
.scale(xScale)
.orient("bottom")
.ticks(30)
.tickFormat(function(d) {
return dateFormat(d);
});
var yAxis = d3.svg.axis()
.scale(yScale)
.orient("left");
//Configure line generator
var line = d3.svg.line()
.x(function(d) {
return xScale(dateFormat.parse(d.year));
})
.y(function(d) {
return yScale(+d.amount);
});
//Create the empty SVG image
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
//Load data
d3.csv("fruit.csv", function(data) {
var years = ["1970", "1971", "1972", "1973", "1974", "1975", "1976", "1977", "1978", "1979", "1980", "1981", "1982", "1983", "1984", "1985", "1986", "1987", "1988", "1989", "1990", "1991", "1992", "1993", "1994", "1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012"];
//Create a new, empty array to hold our restructured dataset
var dataset = [];
//Loop once for each row in data
for (var i = 0; i < data.length; i++) {
//Create new object with this country's name and empty array
dataset[i] = {
fruit: data[i].Fruit,
pounds: []
};
//Loop through all the years
for (var j = 0; j < years.length; j++) {
// If value is not empty
if (data[i][years[j]]) {
//Add a new object to the emissions data array
//for this country
dataset[i].pounds.push({
year: years[j],
amount: data[i][years[j]]
});
}
}
}
//Uncomment to log the original data to the console
// console.log(data);
//Uncomment to log the newly restructured dataset to the console
// console.log(dataset);
//Set scale domains
xScale.domain([
d3.min(years, function(d) {
return dateFormat.parse(d);
}),
d3.max(years, function(d) {
return dateFormat.parse(d);
})
]);
yScale.domain([
d3.max(dataset, function(d) {
return d3.max(d.pounds, function(d) {
return +d.amount;
});
}),
0
]);
//Make a group for each country
var groups = svg.selectAll("g")
.data(dataset)
.enter()
.append("g")
.classed("highlight_Grapefruit",
function(d) {
if (d.fruit == "Grapefruit")
{return true;
} else {
return false;
}
});
//Append a title with the country name (so we get easy tooltips)
groups.append("title")
.text(function(d) {
return d.fruit;
});
//Within each group, create a new line/path,
//binding just the emissions data to each one
groups.selectAll("path")
.data(function(d) {
return [ d.pounds ];
})
.enter()
.append("path")
.attr("class", "line")
.attr("d", line)
.attr("fill", "none")
.attr("stroke-width", 2);
var datalabel = svg.selectAll("text")
.data(dataset.filter(function(d) {
return (d.fruit == "Grapefruit");
}))
.enter()
.append("text");
datalabel.attr("x", [w - padding.right - padding.left + 5])
.attr("y",(function(d) {
return yScale( d.pounds[6].amount ); // year [6] -> 2013
}))
.attr("fill", "black")
.attr("font-size", "9px")
.attr("font-family", "Verdana")
.attr("font-style", "italic")
.text(function(d) {
return d.fruit;
});
//Axes
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + (h - padding[2]) + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + (padding[3]) + ",0)")
.call(yAxis);
});
//End data load function
</script>
<blockquote><p>Source: Calculated by ERS/USDA based on data from various sources (see http://www.ers.usda.gov/data-products/food-availability-(per-capita)-data-system/food-availability-documentation.aspx). Data last updated Feb. 1, 2014.</p></blockquote>
</body>
</html>
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