Skip to content

Instantly share code, notes, and snippets.

@martin-martin
Last active March 17, 2016 19:33
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save martin-martin/f7367d6de3701c2e21a7 to your computer and use it in GitHub Desktop.
Save martin-martin/f7367d6de3701c2e21a7 to your computer and use it in GitHub Desktop.
soil sealing in european cities
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Sealed Cities</title>
<script type="text/javascript" src="d3/d3.v3.js"></script><script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script type="text/javascript" src="<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js"></script>"></script>
<!--<script type="text/javascript" src="javascript/modal.js"></script>-->
<link rel="stylesheet" type="text/css" href="css/style.css">
<style type="text/css">
.example {
display: flex;
flex-wrap: wrap;
width: 400px;
}
</style>
</head>
<body>
<script type="text/javascript">
// importing the geoJSON file for drawing the map
// Resource: http://grokbase.com/t/gg/d3-js/1372gq18j9/geojson-maps - Thanks :)
d3.json("region_un_Europe_subunits.json", function(geo_data) {
"use strict";
var margin = 75,
width = 1920 - margin,
height = 1080 - margin;
var svg = d3.select('body')
.append('svg')
.attr('width', width + margin)
.attr('height', height + margin)
.append('g')
.attr('class', 'map');
var projection = d3.geo.mercator()
.scale(700)
.translate([width / 2 - 600, height + 250]);
var path = d3.geo.path().projection(projection);
var map = svg.selectAll('path')
.data(geo_data.features)
.enter()
.append('path')
.attr('d', path)
.attr('id', function(d) {
return d.properties.brk_a3;
})
.attr('class', function(d) {
var country_id = d.properties.brk_a3;
if (country_id == "SCT" || country_id == "ENG" || country_id == "WLS" || country_id == "NIR") {
return "UK";
} else {
return "entity";
};
})
.on("mouseover", mapMouseOver)
.on("mouseout", mapMouseOut)
.on("click", showDetails)
.style('fill', 'gray')
.style("stroke", "white");
function mapMouseOver(d) {
// highlights the country on mouseover
var country_id = d.properties.brk_a3;
console.log(country_id, "is", d.properties.name)
// in this map, the U.K. is represented in the different countries
// however my dataset has data for "United Kingdom".
// therefore I assigned a class "UK" to the countries and here I
// am chaining them to color at the same time.
var country = d3.selectAll($("#" + country_id));
if (country.attr('class') == 'UK') {
var selected = d3.selectAll('.UK');
} else {
var selected = country;
}
selected
.style("fill", "red")
.style("stroke", "white");
};
function mapMouseOut(d) {
// returns the country to it's original state
// when the cursor leaves the area
var country_id = d.properties.brk_a3;
var country = d3.selectAll($("#" + country_id));
if (country.attr('class') == 'UK') {
var selected = d3.selectAll('.UK');
} else {
var selected = country;
}
selected
.style("fill", "gray")
.style("stroke", "white");
};
function showDetails(d) {
console.log("you just clicked!")
};
});
// importing the csv file
d3.json('soil_sealing_cities.json', function(error, data) {
////
//// PART 1 - DATA CLEANING
////
// perform the data wrangling for each row
data.forEach(function(d) {
d.country = d.country;
// transform string to integer
d.cat_below_25_percent = +d.cat_below_25_percent;
d.cat_25_to_49_percent = +d.cat_25_to_49_percent;
d.cat_50_to_74_percent = +d.cat_50_to_74_percent;
d.cat_75_and_above_percent = +d.cat_75_and_above_percent;
d.sum_of_cities = +d.sum_of_cities;
d.percentage_cities_50_and_above_percent = +d.percentage_cities_50_and_above_percent;
});
////
// //// PART 2 - DRAWING BARS
// ////
// // starting to draw on the page
// // at first a heading
// d3.select('body').append('h1').text('Statistics on soil sealing in European cities');
// // THIS WILL GO - currently checking for one integer value to be represented in a bar chart
// d3.select('body').append('h2').text('Number of cities investigated by country');
// d3.select('body').append('div').attr('class', 'container');
// // logic of appending the div-bars
// d3.select('.container').selectAll('div')
// .data(data)
// .enter()
// .append('div')
// // "United Kingdom" was too long a string for one representation within a bar
// // so I took it as an example to try using functions within
// .text(function(d) {
// if (d.country === "United Kingdom") {
// return "U.K.";
// } else {
// return d.country;
// }
// })
// // using the percentage_cities_50_and_above_percent value
// .style('width', function(d) {
// return d.percentage_cities_50_and_above_percent + '%'
// })
// // make them bar-like. this could be done in CSS instead
// .style('color', 'black')
// .style('background-color', 'red')
// .style('border-color', 'white')
// .style('border-style', 'solid')
// .style('border-width', '1px');
////
//// PART 3 - DRAWING HOUSES AND TREES
////
d3.select('body').append('span').attr('class', 'example');
// modify the initial data
data.forEach(function(d){
// calling the function to generate the range for each row entry
d.num_blocks = d3.range(0,d.total_sealed_in_percent,1);
d.num_squares = d3.range(0,100 - d.total_sealed_in_percent,1);
})
// insert a div for each row
var rows = d3.select('.example').selectAll('div')
.data(data, function(d, i) {
// binding a key to each row. It is not really necessary on this example
// but I will leave it here to make the use of key functions clear
return "row_" + i;
})
.enter()
.append('div');
// insert imgs with class block in each row
var blocks = rows.selectAll('.block')
.data(function (d){
return d.num_blocks
})
.enter()
.append('img')
.attr('class', 'block')
.attr('src', 'http://www.clipartbest.com/cliparts/dTr/zby/dTrzbyLT9.png')
.attr('alt', 'example block')
.style('width', '40px')
.style('height', '40px')
// insert imgs with class squares in each row
var squares = rows.selectAll('.square')
.data(function (d){
return d.num_squares
})
.enter()
.append('img')
.attr('class', 'square')
.attr('src', 'http://www.micnatur.pt/img/tree.svg')
.attr('alt', 'example square')
.style('width', '40px')
.style('height', '40px');
//// AND HERE IT ALL ENDS
});
</script>
<!-- Trigger/Open The Modal -->
<button id="myBtn">Open Modal</button>
<!-- The Modal -->
<!-- <h1>here</h1> -->
<div id="myModal" class="modal">
<h1>see this</h1>
<!-- Modal content -->
<div class="modal-content">
<span class="close">x</span>
<p>Some text in the Modal..</p>
</div>
</div>
</body>
</html>
Display the source blob
Display the rendered blob
Raw
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
View raw

(Sorry about that, but we can’t show files that are this big right now.)

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment