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scatterplot
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>D3: A simple scatterplot with SVG</title> | |
| <script type="text/javascript" src="https://d3js.org/d3.v4.min.js"></script> | |
| <style type="text/css"> | |
| /* No style rules here yet */ | |
| </style> | |
| </head> | |
| <body> | |
| Following Scott Murray book. | |
| <script type="text/javascript"> | |
| var w = 500; | |
| var h = 200; | |
| var dataset = [ | |
| [15, 20], | |
| [480, 90], | |
| [250, 50], | |
| [100, 33], | |
| [330, 95], | |
| [410, 12], | |
| [475, 44], | |
| [25, 67], | |
| [85, 21], | |
| [220, 88] | |
| ]; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| svg.selectAll("circle") | |
| .data(dataset) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d) { | |
| return d[0]; | |
| }) | |
| .attr("cy", function(d) { | |
| return d[1]; | |
| }) | |
| .attr("r", function(d) { | |
| return Math.sqrt(h - d[1]) // transforma raio em área (nesse caso, dividir por π é desnecessário) | |
| }) | |
| .attr('fill', 'darkmagenta'); | |
| svg.selectAll('text') | |
| .data(dataset) | |
| .enter() | |
| .append('text') | |
| .text(function(d) { | |
| return d[0] + ',' + d[1]; | |
| }) | |
| .attr('x', function(d) { | |
| return d[0]; | |
| }) | |
| .attr('y', function(d) { | |
| return d[1]; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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