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133 lines
3.4 KiB
133 lines
3.4 KiB
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Selections</title>
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<style>
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.axis line,
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.axis path {
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stroke-width: 1;
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fill: none;
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stroke: #333;
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shape-rendering: crispEdges;
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}
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</style>
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</head>
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<body>
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<div id="viz-wrapper">
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</div>
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<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
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<script type="text/javascript">
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// height and width of the svg
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var height = 800,
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width = 500;
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var padding = 50;
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var viz = d3.select("#viz-wrapper")
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.append('svg')
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.attr('height', height + padding * 2 )
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.attr('width', width + padding * 2)
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.append('g')
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.attr('id', 'viz')
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.attr('transform',
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'translate(' + padding + ',' + padding + ')');
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var yScale = d3.scale.linear()
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.range([height, 0]);
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var xScale = d3.time.scale()
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.range([0, width]);
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// Set up the x axis
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var xAxis = d3.svg.axis().scale(xScale)
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.orient("bottom")
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.ticks(20);
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// Set up the y axis
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var yAxis = d3.svg.axis().scale(yScale)
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.orient("left")
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.ticks(20);
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var parseTime = d3.time.format("%Y%m%d");
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d3.csv('climate_data.csv', function(data) {
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yDomain = d3.extent(data, function(element){
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return parseInt(element.TMAX) * 1.1
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});
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xMin = d3.min(data, function(element) {
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time = parseTime.parse(element.DATE);
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time.setMonth(time.getMonth() - 1);
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return time
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});
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xMax = d3.max(data, function(element) {
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time = parseTime.parse(element.DATE);
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time.setMonth(time.getMonth() + 1);
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return time
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});
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yScale.domain(yDomain);
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xScale.domain([xMin, xMax]);
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// Add the X Axis
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viz.append("g")
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.attr("class", "x axis")
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.attr("transform", "translate(0," + height + ")")
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.call(xAxis)
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.selectAll('text')
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.attr("transform", function() {
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return "rotate(-65)"
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})
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.style("text-anchor", "end")
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.style('font-size', '10px')
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.attr("dx", "-10px")
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.attr("dy", "10px");
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viz.append("g")
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.attr("class", "y axis")
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.call(yAxis);
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dots = viz.selectAll('g.dots')
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.data(data)
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.enter()
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.append('g')
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.attr('class', 'dots');
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dots.attr('transform', function(d) {
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// get the x position
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date = parseTime.parse(d.DATE);
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x = xScale(date)
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// get the y position
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y = yScale(d.TMAX)
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return 'translate(' + x + ',' + y + ')'
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})
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.style('stroke', '#00ffd2')
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.style('fill', '#006bff');
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dots.append('circle')
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.attr('r', 5);
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dots.append('text')
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.text(function(d) {
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return d.TMAX
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})
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.style('display', 'none');
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dots.on("mouseenter", function(d, i) {
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dot = d3.select(this);
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dot.select('text')
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.style('display', 'block');
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});
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dots.on("mouseleave", function(d, i) {
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d3.select(this)
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.select('text')
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.style('display', 'none');
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});
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});
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</script>
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</body>
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</html> |