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start #1

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1306a8e
start
peernow Jan 30, 2015
ef43188
after course
peernow Jan 30, 2015
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1 change: 1 addition & 0 deletions dataCollection/package.json
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Expand Up @@ -4,6 +4,7 @@
"author": {
"name": "Cambridge Coding Academy"
},
//list of different libraries, incl twit form twehre we take data in this case
"dependencies": {
"cheerio": "^0.18.0",
"geojson-utils": "^1.1.0",
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1 change: 1 addition & 0 deletions dataCollection/tweets.log_old
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29 changes: 20 additions & 9 deletions dataCollection/twitterDataAPI.js
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@@ -1,20 +1,31 @@
//load required libraries defined in package.json
var Twit = require('twit');
var fs = require('fs');
var twit = new Twit({
consumer_key : '???',
consumer_secret : '???',
access_token : '???',
access_token_secret : '???'
});
//authentification

});
//coordinates for the UK
var uk = [ '-9.23', '49.84', '2.69', '60.85' ];
var stream = twit.stream('statuses/filter', { locations: uk })
//filter stream of information to data from within the defined coordinates=selects stream of incoming tweets by location
//on twit = authentification, status updates
var stream = twit.stream('statuses/filter', { track: "ebola, Ebola" });
var log = fs.createWriteStream('tweets.log');

//event 'tweet' defined by 'twit' library
stream.on('tweet', processTweet);

function processTweet(tweet) {
var regexp = /[\w'@#]+/g;
var regexp = /.*/g;
//var regexp = /.*CO.*/g
var words = tweet.text.match(regexp);
log.write(words);
console.log(words)
//log.write(words);
//printing streamed tweets as log to console
//console.log(tweet);
//convert tweet into string using JSON
//var strTweet = JSON.stringify(tweet);
//write into file now
//log.write(strTweet)
//log.write('\n')
//fs.fsync
};
3 changes: 2 additions & 1 deletion index.html
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Expand Up @@ -6,6 +6,7 @@
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="js/d3vis.js"></script>
</body>

</html>
188 changes: 187 additions & 1 deletion js/d3vis.js
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@@ -1 +1,187 @@
// Let's draw something
// Let's draw something

var body =d3.select("body");
var graphics = body.append("svg");
var width = 900;
var height = 600;

graphics.attr("width", width);
graphics.attr("height", height);

//graphics.append("circle")
//.attr("r", 15) //add a circle
//.attr("cx", 20)
// .attr("cy", 20)

//graphics.append("rect")
//.attr("x", 155)
//.attr("y", 150)
//.attr("height", 345)
//.attr("width", 50)
//
//graphics.append("rect")
// .attr("x", 210)
// .attr("y", 350)
// .attr("height", 145)
// .attr("width", 50)
//
//graphics.append("rect")
// .attr("x", 265)
// .attr("y", 360)
// .attr("height", 135)
// .attr("width", 50)
//
//graphics.append("rect")
// .attr("x", 320)
// .attr("y", 375)
// .attr("height", 120)
// .attr("width", 50)
//
//graphics.append("rect")
// .attr("x", 375)
// .attr("y", 400)
// .attr("height", 95)
// .attr("width", 50)
//
//graphics.append("rect")
// .attr("x", 430)
// .attr("y", 455)
// .attr("height", 40)
// .attr("width", 50)
//
//graphics.append("line")
// .attr("x1", 150)
// .attr("y1", 150)
// .attr("x2", 150)
// .attr("y2", 500)
// .attr("stroke", "#000000")
// .attr("stroke-width",2)
//
//graphics.append("line")
// .attr("x1", 150)
// .attr("y1", 500)
// .attr("x2", 500)
// .attr("y2", 500)
// .attr("stroke", "#000000")
// .attr("stroke-width",2)
//
//graphics.append("text")
//.text("X Axis")
//.attr("x", 510)
//.attr("y", 500)
//
//
//graphics.append("text")
// .text("Y Axis")
// .attr("x", 130)
// .attr("y", 140)
//
//graphics.append("circle")
//.attr("r", 40)
//.attr("cx", 50)
//.attr("cy", 50)
//.style("fill", "#4682B4")
//.style("stroke", "#CCCCCC")
//.style("stroke-width", "3px")
//.style("opacity", "0.5")

//graphics.append("circle")
// .attr("r", 20)
// .attr("cx", 260)
// .attr("cy", 260)
// .style("fill", "#000000")
//.style("opacity", "1.0")
//
graphics.append("circle")
.attr("r", 200)
.attr("cx", 300)
.attr("cy", 300)
.style("fill", "#ffff00")
.style("opacity", "0.5")
graphics.append("circle")
.attr("r", 20)
.attr("cx", 260)
.attr("cy", 260)
.style("fill", "#000000")
.style("opacity", "1.0")

graphics.append("circle")
.attr("r", 20)
.attr("cx", 340)
.attr("cy", 260)
.style("fill", "#000000")
.style("opacity", "1.0")

//graphics.append("text")
// .text("I am drawing")
// .attr("x", 190)
// .attr("y", 30)
// .attr("textanchor", "start")
// .attr("transform","rotate(45)")
// .attr("transform","scale(2,2)");

var arc = d3.svg.arc()
.innerRadius(80)
.outerRadius(100)
.startAngle(2.07)
.endAngle(4)

var arc2 = d3.svg.arc()
.innerRadius(40)
.outerRadius(50)
.startAngle(5.5)
.endAngle(7)

var arc2 = d3.svg.arc()
.innerRadius(40)
.outerRadius(50)
.startAngle(5.5)
.endAngle(7)

var arc3 = d3.svg.arc()
.innerRadius(250)
.outerRadius(260)
.startAngle(5)
.endAngle(8)


graphics.append("path")
//.attr("cx", 300)
//.attr("cy", 200)
//.attr("arc", "start")
.attr("transform","rotate(45)")
.attr("transform","translate(300,300)")
.attr("d",arc);

graphics.append("path")
//.attr("cx", 300)
//.attr("cy", 200)
//.attr("arc", "start")
.attr("transform","rotate(45)")
.attr("transform","translate(260,260)")
.attr("d",arc2);

graphics.append("path")
//.attr("cx", 300)
//.attr("cy", 200)
//.attr("arc", "start")
//.attr("transform","rotate(90)")
.attr("transform","translate(340,260)")
.attr("d",arc2);

graphics.append("path")
//.attr("cx", 300)
//.attr("cy", 200)
//.attr("arc", "start")
.attr("transform","rotate(45)")
.attr("transform","translate(300,360)")
.attr("fill", "#D93E14")
.attr("d",arc3);

//graphics.append("line")
//.attr("x1",100)
//.attr("y1", 300)
//.attr("x2", 85)
//.attr("y2", 300)
//.attr("stroke", "#D93E14")
//.attr("stroke-width", 5);
128 changes: 128 additions & 0 deletions js/ukmap.js
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@@ -0,0 +1,128 @@
/**
* Created by pjn on 30/01/15.
*/
var width = 900;
var height = 700;

var graphics = d3.select("body")
.append("svg")
.attr("width", width)
.attr("height", height);

var projection = d3.geo.orthographic()
.center([-4.4, 55.4])
.scale(4000)
.translate([width / 2, height / 2]);


// Don't forget to change the data file name!
d3.json("data/uk.json", loadData);

function loadData(error, dataset) {
if (error) {
console.log(error);
}
else {
console.log(dataset);
drawData(dataset);
}
};

function drawData(dataset) {
// Draw your data
var ukRegions = topojson.feature(dataset,
dataset.objects.subunits).features;

var path = d3.geo.path()
.projection(projection);
var color = d3.scale.ordinal()
.domain(["ENG", "SCT", "WLS", "NIR"])
.range(["#CC0000", "#003399", "#33CC33", "#006600"]);

graphics.selectAll("path")
.data(ukRegions)
.enter()
.append("path")
.attr("d", path)
.style("fill", function(region){
return color(region.id);
}
);

}

function loadUserData(error, dataset) {
if (error) {
console.log(error);
}
else {
console.log(projection([0.1275,51.5072]));
drawUserData(dataset);
}
};

//function get_coordinates(d) {
// var lon = d.tweets[0].geo.coordinates[0];
// var lat = d.tweets[0].geo.coordinates[1];
// var coordinates =[lat, lon];
// console.log(d, coordinates)
// return "translate(" + projection(coordinates) +")";
//}

function getLongitude (d){
return d.geo.coordinates[1];
}

function getLatitude (d){
return d.geo.coordinates[0];
}

function get_coordinates(d) {
//var coordinates = [d3.mean(d.tweets,getLongitude), d3.mean(d.tweets,getLatitude)];
//console.log(d, coordinates)
return "translate(" + projection(d.geo) +")";
}



function drawUserData(dataset){
for(var i =0; i < dataset.nodes.length; i++){
var user = dataset.nodes[i];
var coordinates = [d3.mean(user.tweets, getLongitude), d3.mean(user.tweets, getLatitude)];
user.geo = coordinates;
}
//The new visualisation
//for (var i =0; i < dataset.nodes.length; i++) {
graphics.selectAll(".tweet")
.data(dataset.nodes)
.enter()
.append("circle")
.attr("class", "tweet")
.attr("r", 2.5)
.style("fill", "#000066")
.style("opacity", 0.5)
.attr("transform", get_coordinates);
//}
graphics.selectAll(".link")
.data(dataset.links)
.enter()
.append("line")
.style("stroke", "#999")
.style("opacity", 0.4)
.attr("x1", function (d) {
return projection(dataset.nodes[d.source].geo)[0];
})
.attr("y1", function (d) {
return projection(dataset.nodes[d.source].geo)[1];
})
.attr("x2", function (d) {
return projection(dataset.nodes[d.target].geo)[0];
})
.attr("y2", function (d) {
return projection(dataset.nodes[d.target].geo)[1];
})



}
d3.json("data/usersGraph.json", loadUserData)
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