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