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164 lines
3.9 KiB
HTML
164 lines
3.9 KiB
HTML
<!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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/*
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* {
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margin: 0;
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padding: 0;
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border: 0;
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}
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*/
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body {
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font-family: sans-serif;
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}
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svg {
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top: 10px;
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left: 10px;
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position: absolute;
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}
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svg > g > path {
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pointer-events: none;
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}
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.nv-horizonBackground {
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fill: none;
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stroke: none;
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pointer-events: all;
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}
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#horizon-controls {
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position: absolute;
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width: 940px;
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padding: 10px;
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z-index: 1;
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}
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#horizon-bands {
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float: right;
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}
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</style>
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<body>
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<div id="wrap">
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<div id="horizon-controls">
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<input name="mode" type="radio" value="mirror" id="horizon-mode-mirror" checked><label for="horizon-mode-mirror"> Mirror</label>
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<input name="mode" type="radio" value="offset" id="horizon-mode-offset"><label for="horizon-mode-offset"> Offset</label>
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<span id="horizon-bands"><span id="horizon-bands-value">1</span> <button class="first">−</button><button class="last">+</button></span>
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</div>
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<div><svg id="chart1"></svg></div>
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</div>
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<script src="../lib/d3.v2.js"></script>
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<script src="../lib/horizon.js"></script>
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<script src="../nv.d3.js"></script>
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<script src="../src/utils.js"></script>
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<script>
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//TODO: create a nv.models.horizonChart model
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// (if need be an nv.models.horizon model as well, but might get away with just using d3.horizon)
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// the horizontChart model should have a "tooltip" like functionality that shows a point over the
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// current value based on the mouse's x position
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var width = 960,
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height = 300;
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nv.addGraph(function() {
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var data = sine();
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var chart = d3.horizon()
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.width(width)
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.height(height)
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.bands(1)
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.mode("mirror")
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.interpolate("basis");
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var svg = d3.select('#chart1').attr('width', width).attr('height', height);
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var bg = svg.append('rect').attr('class', 'nv-horizonBackground').attr('height', height).attr('width', width);
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svg.datum(data).call(chart);
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var point = svg.append('circle').attr('class', 'nv-hoverPoint')
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.attr('r', '4')
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.attr('cx', -3)
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.attr('cy', -3);
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// Enable mode buttons.
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d3.selectAll("#horizon-controls input[name=mode]").on("change", function() {
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svg.call(chart.duration(0).mode(this.value));
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});
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// Enable bands buttons.
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d3.selectAll("#horizon-bands button").data([-1, 1]).on("click", function(d) {
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var n = Math.max(1, chart.bands() + d);
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d3.select("#horizon-bands-value").text(n);
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svg.call(chart.duration(1000).bands(n).height(height / n));
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//just updating point temporarily here to have it not be visible on band change until user moves his mouse over the chart
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point
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.attr('cx', -3)
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.attr('cy', -3)
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});
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//****THE CHANGES MADE TO THIS EXAMPLE BY ME ARE VERY UGLY.... TODO: Fix/Clean up after all functionality is correct
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bg.on('mousemove', function() {
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var m1 = d3.mouse(this);
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var x = m1[0];
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var scales = svg.node().__chart__;
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var i = Math.round( scales.x.invert(x) );
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//var y = (data[i][1] < 0 || chart.mode() == 'mirror' ? height : 0) - scales.y(chart.mode() == 'mirror' ? Math.abs(data[i][1]) : data[i][1] );
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var y = height - scales.y(chart.mode() == 'mirror' ? Math.abs(data[i][1]) : data[i][1] ) - (chart.mode() == 'offset' && data[i][1] < 0 ? height : 0 );
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var t = scales.t(data[i][1]);
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var bandRange = scales.y.range()[1];
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y = y % (height / chart.bands());
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//nv.log(y, height, y % height);
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//nv.log(scales.y.range(), scales.y.domain());
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//nv.log( x, i, data[i], y )
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//nv.log(scales);
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point
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.attr('cx', scales.x(i))
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.attr('cy', y)
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.attr('transform',
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'translate(0,' + chart.bands + ')'
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);
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//var m2 = d3.mouse(d3.select('body').node());
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//nv.log(m1, m2);
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//nv.log(d3.event, this, d3.mouse(this));
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});
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return chart;
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});
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function sine() {
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var sin = [];
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for (var i = 0; i < 200; i++) {
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sin.push([ i, Math.sin(i/10) + .2 ]);
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}
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return sin;
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}
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</script>
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