2012-03-20 23:43:21 +00:00
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<!DOCTYPE html>
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<meta charset="utf-8">
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<link href="../src/d3.css" rel="stylesheet" type="text/css">
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<style>
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body {
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overflow-y:scroll;
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}
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text {
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font: 12px sans-serif;
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}
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2012-04-05 05:24:39 +00:00
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#chart1 {
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height: 500px;
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margin: 10px;
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min-width: 100px;
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min-height: 100px;
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/*
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Minimum height and width is a good idea to prevent negative SVG dimensions...
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For example width should be =< margin.left + margin.right + 1,
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of course 1 pixel for the entire chart would not be very useful, BUT should not have errors
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*/
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}
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2012-03-20 23:43:21 +00:00
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</style>
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<body>
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2012-04-05 05:24:39 +00:00
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<div id="chart1">
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2012-03-20 23:43:21 +00:00
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</div>
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<script src="../lib/d3.v2.js"></script>
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<script src="../nv.d3.js"></script>
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2012-05-07 12:53:51 +00:00
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<script src="../src/tooltip.js"></script>
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2012-03-20 23:43:21 +00:00
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<script src="../src/models/legend.js"></script>
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2012-05-17 06:04:33 +00:00
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<script src="../src/models/axis.js"></script>
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2012-05-29 06:30:15 +00:00
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<script src="../src/models/scatter.js"></script>
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2012-03-20 23:43:21 +00:00
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<script src="../src/models/line.js"></script>
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<script src="../src/models/lineWithLegend.js"></script>
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<script>
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2012-04-05 05:24:39 +00:00
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var selector = '#chart1',
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chart = nv.models.lineWithLegend(),
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data = sinAndCos(),
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xTickFormat = d3.format(',r'),
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yTickFormat = d3.format(',.2f'),
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xAxisLabel = null,
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yAxisLabel = 'Voltage (v)',
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duration = 500;
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2012-03-20 23:43:21 +00:00
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nv.addGraph({
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generate: function() {
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2012-04-05 05:24:39 +00:00
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var container = d3.select(selector),
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width = function() { return parseInt(container.style('width')) },
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height = function() { return parseInt(container.style('height')) },
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svg = container.append('svg');
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2012-03-20 23:43:21 +00:00
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2012-04-05 05:24:39 +00:00
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chart
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.width(width)
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2012-05-17 21:11:01 +00:00
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.height(height);
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2012-03-20 23:43:21 +00:00
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2012-04-05 05:24:39 +00:00
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chart.xAxis
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.tickFormat(xTickFormat);
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2012-03-20 23:43:21 +00:00
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2012-04-05 05:24:39 +00:00
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chart.yAxis
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.tickFormat(yTickFormat)
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.axisLabel(yAxisLabel);
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2012-03-20 23:43:21 +00:00
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2012-04-05 05:24:39 +00:00
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svg
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.attr('width', width())
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.attr('height', height())
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.datum(data)
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.transition().duration(duration).call(chart);
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2012-03-20 23:43:21 +00:00
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return chart;
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},
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2012-04-05 05:24:39 +00:00
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callback: function(chart) {
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var showTooltip = function(e) {
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2012-05-17 21:11:01 +00:00
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var offsetElement = document.getElementById(selector.substr(1)),
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left = e.pos[0] + offsetElement.offsetLeft,
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top = e.pos[1] + offsetElement.offsetTop,
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formatY = chart.yAxis.tickFormat(), //Assumes using same format as axis, can customize to show higher precision, etc.
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formatX = chart.xAxis.tickFormat();
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// uses the chart's getX and getY, you may customize if x position is not the same as the value you want
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// ex. daily data without weekends, x is the index, while you want the date
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var content = '<h3>' + e.series.key + '</h3>' +
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'<p>' +
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formatY(chart.y()(e.point)) + ' at ' + formatX(chart.x()(e.point)) +
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'</p>';
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nv.tooltip.show([left, top], content);
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};
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2012-03-20 23:43:21 +00:00
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2012-04-05 05:24:39 +00:00
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chart.dispatch.on('tooltipShow', showTooltip);
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2012-05-07 12:53:51 +00:00
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chart.dispatch.on('tooltipHide', nv.tooltip.cleanup);
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2012-03-20 23:43:21 +00:00
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2012-05-07 12:53:51 +00:00
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window.onresize= function() {
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2012-04-05 05:24:39 +00:00
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// now that width and height are functions, should be automatic..of course you can always override them
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d3.select('#chart1 svg')
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.attr('width', chart.width()()) //need to set SVG dimensions, chart is not aware of the SVG component
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.attr('height', chart.height()())
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.call(chart);
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2012-05-07 12:53:51 +00:00
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};
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2012-03-20 23:43:21 +00:00
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}
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});
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function sinAndCos() {
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var sin = [],
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cos = [];
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for (var i = 0; i < 100; i++) {
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sin.push({x: i, y: Math.sin(i/10)});
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cos.push({x: i, y: .5 * Math.cos(i/10)});
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}
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return [
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{
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values: sin,
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key: "Sine Wave",
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color: "#ff7f0e"
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},
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{
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values: cos,
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key: "Cosine Wave",
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color: "#2ca02c"
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}
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];
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}
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</script>
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