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HTML: D3 scatter, data from cartodb
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>HTML5</title> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=650, user-scalable=yes"> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://libs.cartocdn.com/cartodb.js/v2/cartodb.js"> | |
| </script> | |
| <style> | |
| .newsvg{ /* the border box*/ | |
| border-width:3px; | |
| border-color:black; | |
| border-style:solid; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| </body> | |
| <script> | |
| var xscale; | |
| var w = 600; | |
| var h = 600; | |
| var padding = 20; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height",h) | |
| .attr("class", "newsvg"); | |
| var dataset=[]; | |
| var sql = new cartodb.SQL({user:'cehtp'}); | |
| sql.execute("SELECT * FROM inventory LIMIT 40") | |
| .done(function(data) { | |
| for (var i = 0; i < data.total_rows; i++) { | |
| dataset.push([data.rows[i].systempopulation, parseInt(data.rows[i].totalconnections)]); | |
| } | |
| var Xmax = d3.max(dataset.map(function(d){return d[0]})); | |
| var Xmin = d3.min(dataset.map(function(d){return d[0]})); | |
| var Ymax = d3.max(dataset.map(function(d){return d[1]})); | |
| var Ymin = d3.min(dataset.map(function(d){return d[1]})); | |
| var xscale = d3.scale.linear() | |
| .domain([Xmin, Xmax]) | |
| .range([padding,w-padding]) | |
| var yscale = d3.scale.linear() | |
| .domain([Ymin, Ymax]) | |
| .range([h-padding,padding]) | |
| console.log(dataset) | |
| svg.selectAll("circle") | |
| .data(dataset) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d,i){ | |
| return xscale(d[0]) | |
| }) | |
| .attr("cy", function(d){ | |
| return yscale(d[1]) | |
| }) | |
| .attr("r", function(d){ | |
| return 5 | |
| }) | |
| .attr("fill", "red") | |
| .attr("opacity", "0.5"); | |
| }); | |
| </script> | |
| </html> |
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