152 lines
3.2 KiB
HTML
152 lines
3.2 KiB
HTML
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<!DOCTYPE html>
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<meta charset="utf-8">
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<link href="../src/nv.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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svg {
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display: block;
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}
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</style>
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<body>
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<div id="chartZoom">
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<a href="#" id="zoomIn">Zoom In</a> <a href="#" id="zoomOut">Zoom Out</a>
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</div>
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<div id="chart1">
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<svg></svg>
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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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<script src="../src/tooltip.js"></script>
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<script src="../src/utils.js"></script>
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<script src="../src/models/legend.js"></script>
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<script src="../src/models/axis.js"></script>
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<script src="../src/models/scatter.js"></script>
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<script src="../src/models/line.js"></script>
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<script src="../src/models/lineChart.js"></script>
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<script>
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nv.addGraph(function() {
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var chart = nv.models.lineChart();
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var fitScreen = false;
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var width = 600;
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var height = 300;
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var zoom = 1;
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chart.xAxis
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.tickFormat(d3.format(',r'));
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chart.yAxis
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.axisLabel('Voltage (v)')
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.tickFormat(d3.format(',.2f'));
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d3.select('#chart1 svg')
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.attr('perserveAspectRatio', 'xMinYMid')
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.attr('width', width)
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.attr('height', height)
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.datum(sinAndCos());
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setChartViewBox();
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resizeChart();
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// These resizes both do the same thing, and require recalculating the chart
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//nv.utils.windowResize(chart.update);
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//nv.utils.windowResize(function() { d3.select('#chart1 svg').call(chart) });
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nv.utils.windowResize(resizeChart);
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d3.select('#zoomIn').on('click', zoomIn);
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d3.select('#zoomOut').on('click', zoomOut);
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function setChartViewBox() {
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var w = width * zoom,
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h = height * zoom;
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chart
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.width(w)
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.height(h);
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d3.select('#chart1 svg')
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.attr('viewBox', '0 0 ' + w + ' ' + h)
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.transition().duration(500)
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.call(chart);
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}
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function zoomOut() {
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zoom += .25;
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setChartViewBox();
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}
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function zoomIn() {
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if (zoom <= .5) return;
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zoom -= .25;
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setChartViewBox();
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}
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// This resize simply sets the SVG's dimensions, without a need to recall the chart code
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// Resizing because of the viewbox and perserveAspectRatio settings
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// This scales the interior of the chart unlike the above
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function resizeChart() {
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var container = d3.select('#chart1');
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var svg = container.select('svg');
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if (fitScreen) {
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// resize based on container's width AND HEIGHT
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var windowSize = nv.utils.windowSize();
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svg.attr("width", windowSize.width);
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svg.attr("height", windowSize.height);
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} else {
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// resize based on container's width
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var aspect = chart.width() / chart.height();
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var targetWidth = parseInt(container.style('width'));
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svg.attr("width", targetWidth);
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svg.attr("height", Math.round(targetWidth / aspect));
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}
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};
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return chart;
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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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