This is the code for Chapter 5, Figure 6 from D3.js in Action demonstrating how to make a donut chart using d3.layout.pie().
forked from emeeks's block: Ch. 5, Fig. 6 - D3.js in Action
Last active
March 8, 2016 01:39
-
-
Save emeeks/becd7b34d93b2d80d828 to your computer and use it in GitHub Desktop.
Pie Transition Ch. 5 - D3.js in Action
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <html> | |
| <head> | |
| <title>D3 in Action Chapter 5 - Example 3</title> | |
| <meta charset="utf-8" /> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.16/d3.min.js" type="text/JavaScript"></script> | |
| </head> | |
| <style> | |
| svg { | |
| height: 500px; | |
| width: 500px; | |
| border: 1px solid gray; | |
| } | |
| </style> | |
| <body> | |
| <div id="viz"> | |
| <svg> | |
| </svg> | |
| </div> | |
| </body> | |
| <footer> | |
| <script> | |
| d3.json("tweets.json",function(error,data) {dataViz(data.tweets)}); | |
| function dataViz(incData) { | |
| nestedTweets = d3.nest() | |
| .key(function (el) {return el.user}) | |
| .entries(incData); | |
| var colorScale = d3.scale.category10([0,1,2,3]); | |
| nestedTweets.forEach(function (el) { | |
| el.numTweets = el.values.length | |
| el.numFavorites = d3.sum(el.values, function (d) {return d.favorites.length}); | |
| el.numRetweets = d3.sum(el.values, function (d) {return d.retweets.length}); | |
| }) | |
| pieChart = d3.layout.pie().sort(null); | |
| pieChart.value(function(d) {return d.numRetweets}); | |
| newArc = d3.svg.arc(); | |
| newArc.outerRadius(100).innerRadius(20); | |
| d3.select("svg") | |
| .append("g") | |
| .attr("transform","translate(250,250)") | |
| .selectAll("path") | |
| .data(pieChart(nestedTweets), function(d) {return d.data.key}) | |
| .enter() | |
| .append("path") | |
| .attr("d", newArc) | |
| .style("fill", function(d, i) {return colorScale(i)}) | |
| .style("opacity", .5) | |
| .style("stroke", "black") | |
| .style("stroke-width", "2px") | |
| .each(function(d) { this._current = d; }); | |
| pieChartFavs = d3.layout.pie().sort(null); | |
| pieChartFavs.value(function(d) {return d.numFavorites}); | |
| d3.selectAll("path") | |
| .data(pieChartFavs(nestedTweets), function(d) {return d.data.key}) | |
| .transition() | |
| .duration(2000) | |
| .attrTween("d", arcTween) | |
| function arcTween(a) { | |
| var i = d3.interpolate(this._current, a); | |
| this._current = i(0); | |
| return function(t) { | |
| return newArc(i(t)); | |
| }; | |
| } | |
| } | |
| </script> | |
| </footer> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "tweets": [ | |
| {"user": "Al", "content": "I really love seafood.", "timestamp": " Mon Dec 23 2013 21:30 GMT-0800 (PST)", "retweets": ["Raj","Pris","Roy"], "favorites": ["Sam"]}, | |
| {"user": "Al", "content": "I take that back, this doesn't taste so good.", "timestamp": "Mon Dec 23 2013 21:55 GMT-0800 (PST)", "retweets": ["Roy"], "favorites": []}, | |
| {"user": "Al", "content": "From now on, I'm only eating cheese sandwiches.", "timestamp": "Mon Dec 23 2013 22:22 GMT-0800 (PST)", "retweets": [], "favorites": ["Roy","Sam"]}, | |
| {"user": "Roy", "content": "Great workout!", "timestamp": " Mon Dec 23 2013 7:20 GMT-0800 (PST)", "retweets": [], "favorites": []}, | |
| {"user": "Roy", "content": "Spectacular oatmeal!", "timestamp": " Mon Dec 23 2013 7:23 GMT-0800 (PST)", "retweets": [], "favorites": []}, | |
| {"user": "Roy", "content": "Amazing traffic!", "timestamp": " Mon Dec 23 2013 7:47 GMT-0800 (PST)", "retweets": [], "favorites": []}, | |
| {"user": "Roy", "content": "Just got a ticket for texting and driving!", "timestamp": " Mon Dec 23 2013 8:05 GMT-0800 (PST)", "retweets": [], "favorites": ["Sam", "Sally", "Pris"]}, | |
| {"user": "Pris", "content": "Going to have some boiled eggs.", "timestamp": " Mon Dec 23 2013 18:23 GMT-0800 (PST)", "retweets": [], "favorites": ["Sally"]}, | |
| {"user": "Pris", "content": "Maybe practice some gymnastics.", "timestamp": " Mon Dec 23 2013 19:47 GMT-0800 (PST)", "retweets": [], "favorites": ["Sally"]}, | |
| {"user": "Sam", "content": "@Roy Let's get lunch", "timestamp": " Mon Dec 23 2013 11:05 GMT-0800 (PST)", "retweets": ["Pris"], "favorites": ["Sally", "Pris"]} | |
| ] | |
| } | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment