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D3 Transitioning Scatterplot
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| city | rats | coffee | rats2 | coffee2 | |
|---|---|---|---|---|---|
| Somerville | 60 | 40 | 40 | 60 | |
| Cambridge | 30 | 90 | 80 | 100 | |
| Boston | 90 | 120 | 10 | 30 | |
| Brookline | 40 | 50 | 60 | 30 | |
| Chelsea | 10 | 10 | 100 | 120 |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>D3 Demo: Making a scatterplot with SVG</title> | |
| <script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <style type="text/css"> | |
| #main { | |
| margin-top: 10px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <button id="start">Transition</button> | |
| <button id="reset">Reset</button> | |
| <div id="main"></div> | |
| <script type="text/javascript"> | |
| var ratData = []; | |
| d3.csv("coffee_rodents.csv", function(d) { | |
| return { | |
| city : d.city, | |
| rats : +d.rats, | |
| coffee : +d.coffee, | |
| rats2 : +d.rats2, | |
| coffee2 : + d.coffee2 | |
| }; | |
| }, function(error, rows) { | |
| ratData = rows; | |
| console.log(ratData); | |
| createVisualization(); | |
| }); | |
| function createVisualization(){ | |
| //Width and height | |
| var w = 150; | |
| var h = 150; | |
| //Create SVG element | |
| var svg = d3.select("#main") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .attr("style", "outline: thin solid black;"); | |
| var circle = svg.selectAll("circle") | |
| .data(ratData) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d) { | |
| return d.rats; | |
| }) | |
| .attr("cy", function(d) { | |
| return d.coffee; | |
| }) | |
| .attr("r", 5); | |
| d3.select("#start").on("click", function() { | |
| circle | |
| .transition() | |
| .attr("cx", function(d) { | |
| return d.rats2; | |
| }) | |
| .attr("cy", function(d) { | |
| return d.coffee2; | |
| }) | |
| }); | |
| d3.select("#reset").on("click", function() { | |
| circle | |
| .transition() | |
| .attr("cx", function(d) { | |
| return d.rats; | |
| }) | |
| .attr("cy", function(d) { | |
| return d.coffee; | |
| }) | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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