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series normalization per mouse-x (D3.js): https://bl.ocks.org/enthal/060290a72e8c29d9f160
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| svg .chart { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 0.5px; | |
| } | |
| svg rect.mouse { | |
| fill: none; | |
| pointer-events: all; | |
| } | |
| </style> | |
| <body></body> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script> | |
| <script> | |
| var n=15, seriesList = [[],[]]; | |
| for (var i=0;i<n;i++) { seriesList[0].push(Math.pow(2,i)); } | |
| for (var i=0;i<n;i++) { seriesList[1].push(Math.pow(2,n) / (i+1)); } | |
| var width = 960, | |
| height = 500; | |
| var x = d3.scale.linear().range([0, width]); | |
| var y = d3.scale.linear().range([height, 0]); | |
| var series = seriesList[0]; | |
| x.domain([0, series.length]); | |
| y.domain(d3.extent(series)); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var chart = svg.append('g').classed('chart', true); | |
| chart.selectAll('path.series') | |
| .data(seriesList) | |
| .enter().append('path').classed('series', true) | |
| .attr('d', d3.svg.line() | |
| .interpolate('basis') | |
| .x(function(d,i) { return x(i); }) | |
| .y(y) ); | |
| svg.append("rect").classed("mouse", true) | |
| .attr("width", width) | |
| .attr("height", height) | |
| .on("mousemove", mousemove); | |
| function mousemove() { | |
| var x0 = x.invert(d3.mouse(this)[0]); | |
| var y0 = y.invert(d3.mouse(this)[1]); | |
| console.log(x0,y0); | |
| } | |
| </script> |
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