This is the code for Chapter 10, Figure 3 from D3.js in Action demonstrating the d3.layout.grid() layout created in this chapter as it adjusts in size with more data added.
forked from emeeks's block: Ch. 10, Fig. 3 - D3.js in Action
Last active
December 6, 2018 21:28
-
-
Save guioconnor/e8860f09fafd9840457989edc131f4ec to your computer and use it in GitHub Desktop.
Ch. 10, Fig. 3 - D3.js in Action
This file contains 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
| license: mit |
This file contains 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 10 - Example 1</title> | |
| <meta charset="utf-8" /> | |
| <script src="http://d3js.org/colorbrewer.v1.min.js" type="text/JavaScript"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></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) { | |
| makeAGrid(data); | |
| }) | |
| function makeAGrid(data) { | |
| var scale = d3.scale.linear().domain([0,5]).range([100,400]); | |
| var grid = d3.layout.grid() | |
| var griddedData = grid(data.tweets); | |
| d3.select("svg").selectAll("circle").data(griddedData) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d) {return scale(d.x)}) | |
| .attr("cy", function(d) {return scale(d.y)}) | |
| .attr("r", 20) | |
| .style("fill", "tomato") | |
| var doubledArray = null; | |
| setTimeout(()=>{ | |
| var fakeTweets = [] | |
| for (x = 0;x<12;x++) { | |
| var tweet = {id: x, content: "Fake Tweet #" + x}; | |
| fakeTweets.push(tweet); | |
| } | |
| var newData = doubledArray || data | |
| doubledArray = newData.tweets.concat(fakeTweets); | |
| var newGriddedData = grid(doubledArray); | |
| d3.select("svg").selectAll("circle").data(newGriddedData) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", 0) | |
| .attr("cy", 0) | |
| .attr("r", 20) | |
| .style("fill", "darkred"); | |
| d3.select("svg").selectAll("circle") | |
| .transition() | |
| .duration(1000) | |
| .attr("cx", function(d) {return scale(d.x)}) | |
| .attr("cy", function(d) {return scale(d.y)}) | |
| }, 2000) | |
| } | |
| d3.layout.grid = function() { | |
| var gridSize = [10,10]; | |
| var gridColumns; | |
| var gridRows; | |
| function processGrid(data) { | |
| var rows = Math.ceil(Math.sqrt(data.length)); | |
| var columns = Math.ceil(Math.sqrt(data.length)); | |
| var x = 0; | |
| for (i = 0; i < rows; i++) { | |
| for (j = 0; j < columns; j++) { | |
| if (data[x]) { | |
| data[x].x = j; | |
| data[x].y = i; | |
| x++; | |
| } | |
| else { | |
| break; | |
| } | |
| } | |
| } | |
| return data; | |
| } | |
| processGrid.size = function(newSize) { | |
| if (!arguments.length) return gridSize; | |
| gridSize = newSize; | |
| return this; | |
| } | |
| return processGrid; | |
| } | |
| </script> | |
| </footer> | |
| </html> |
This file contains 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