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index.html
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<!DOCTYPE html>
<meta name="http-equiv" content="Content-type: text/html; charset=UTF-8"/>
<html>
<head>
<title>Berlin intra-city migration</title>
<!-- <link href="./lib/bootstrap.min.css" rel = "stylesheet" type = "text/css" > -->
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<link href='http://fonts.googleapis.com/css?family=Lora:700italic' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Muli' rel='stylesheet' type='text/css'>
<style type="text/css">
#tt {pointer-events: none; color:white;}
#tipContainer {font-size:16px; position:absolute; width:180px; z-index:100; background-repeat:no-repeat; text-align:left; line-height:20px;}
#tipLocation {font-weight:normal; font-family:Lora; font-style:italic; text-transform:uppercase; color:white; margin:0px; padding:6px 10px; background:#333; font-size:13px;}
#tipCount {font-weight:normal; font-family:Muli; font-size:32px; letter-spacing:-1px; margin:0px; padding:0px 10px 10px 10px; color:#333;}
#tipKey {font-weight:normal; font-size:10px; color:#333; margin:0px; padding:5px 5px 5px 10px; background:rgba(218,218,218,0.7);}
#tt2 {pointer-events: none; color:white;}
#tipContainer2 {font-size:16px; position:absolute; width:250px; z-index:100; background-repeat:no-repeat; text-align:left; line-height:20px;}
#tipLocation2 {font-weight:normal; font-family:Lora; font-style: italic; text-transform:uppercase; color: white; margin:0px; padding:6px 10px; background:#333; font-size:13px;}
#tipCount2 {font-weight:bold; font-family:Muli; font-size:32px; letter-spacing:-1px; margin:0px; padding:0px 10px 10px 10px; color:#333;}
#tipKey2 {font-weight:normal; font-size:10px; color:#333; margin:0px; padding:5px 5px 5px 10px; background:rgba(218,218,218,0.7);}
#tt3 {pointer-events: none; color:white;}
#tipContainer3 {font-size:16px; position:absolute; width:250px; z-index:100; background-repeat:no-repeat; text-align:left; line-height:20px;}
#tipLocation3 {font-weight:normal; font-family:Lora; font-style: italic; text-transform:uppercase; color:white; margin:0px; padding:6px 10px; background:#333; font-size:13px; text-align:center;}
#tipCount3 {font-weight:bold; font-family:Muli; font-size:32px; letter-spacing:-1px; margin:0px; padding:0px 10px 10px 10px; color:#333;}
#tipKey3 {font-weight:normal; font-size:11px; color:#333; margin:0px; padding:5px 5px 5px 10px; background:rgba(218,218,218,0.7); text-align:center}
.tipClear {clear:both;}
heading {font-weight:bold; font-size:28px; font-style: italic; text-transform:uppercase; font-family:Lora; position:absolute; width:500px; z-index:100; background-repeat:no-repeat; text-align:left; line-height:20px; margin:20px 0px 0px 25px}
</style>
</head>
<heading>Berlin intra-city migration</heading>
<!--[if IE 6]>
<div id="browser-error">
<p>This interactive graphic requires a browser with SVG support, such as <a href="http://www.google.com/chrome">Chrome</a>, <a href="http://www.mozilla.org/en-US/firefox/new/">Firefox</a>, <a href="http://www.apple.com/safari/">Safari</a> or the latest <a href="http://windows.microsoft.com/en-us/internet-explorer/download-ie">Internet Explorer</a>. </p>
<img src="http://dl.dropboxusercontent.com/u/54512470/Telefondaten_VIZ/Interactive_Explorer_static.png" width="1050" alt="Error - static preview">
<div id="maincontainer" style="display:none;">
<![endif]-->
<!--[if IE 7]>
<div id="browser-error">
<p>This interactive graphic requires a browser with SVG support, such as <a href="http://www.google.com/chrome">Chrome</a>, <a href="http://www.mozilla.org/en-US/firefox/new/">Firefox</a>, <a href="http://www.apple.com/safari/">Safari</a> or the latest <a href="http://windows.microsoft.com/en-us/internet-explorer/download-ie">Internet Explorer</a>. </p>
<img src="http://dl.dropboxusercontent.com/u/54512470/Telefondaten_VIZ/Interactive_Explorer_static.png" width="1050" alt="Error - static preview">
<div id="maincontainer" style="display:none;">
<![endif]-->
<!--[if IE 8]>
<div id="browser-error">
<p>This interactive graphic requires a browser with SVG support, such as <a href="http://www.google.com/chrome">Chrome</a>, <a href="http://www.mozilla.org/en-US/firefox/new/">Firefox</a>, <a href="http://www.apple.com/safari/">Safari</a> or the latest <a href="http://windows.microsoft.com/en-us/internet-explorer/download-ie">Internet Explorer</a>. </p>
<img src="http://dl.dropboxusercontent.com/u/54512470/Telefondaten_VIZ/Interactive_Explorer_static.png" width="1050" alt="Error - static preview">
<div id="maincontainer" style="display:none;">
<![endif]-->
<div id = "maincontainer" style="position:absolute; top: 25px">
<div id = "map"></div>
</div>
<body style = "padding-left: 10px;">
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/queue.v1.min.js"></script>
<script type="text/javascript">
// Setup
var width = 1050;
var height = 720;
var formatD = d3.format("+,.0f");
var projection = d3.geo.mercator()
.center([13.48, 52.51])
.scale(73000)
.translate([width / 2 , height / 2 ]);
var path = d3.geo.path()
.projection(projection);
var lineSize = d3.scale.sqrt().domain([0, 50]).range([0.5,12]);
var legend_labels = [""," 500" , "200", "100", "50", "0", "-50", "-100", "-200", "-500", ""]
var color_domain = ([500, 200, 100, 50, 0, -50, -100, -200, -500, -1000])
var color = d3.scale.threshold()
.domain([-500, -200, -100, -50, 0, 50, 100, 200, 500])
.range(["#00003E", "#32366B", "#646C98", "#96A2C5", "#C9D9F3", "#fee0b6", "#fdb863", "#e08214", "#b35806", "#7f3b08"]);
//Create SVG element
var svg = d3.select("#map")
.append("svg")
.attr("width", width)
.attr("height", height)
.style("background", "#fff");
var g = svg.append("g");
// Create Reset-View-Button
g.append("svg:rect")
.attr("x", 790)
.attr("y", 10)
.attr("width", 250)
.attr("height", 32)
.attr("class", "button")
.style("fill", "#333")
.style("visibility", "hidden");
g.append("svg:text")
.attr("x", 915)
.attr("y", 30)
.attr("class", "button")
.attr("text-anchor", "middle")
.attr("font-family", "Lora")
.attr("font-size", "13px")
.attr("font-weight", "bold")
.attr("font-style", "italic")
.attr("fill", "white")
.text("RESET VIEW")
.attr("pointer-events", "none")
.style("visibility", "hidden");
// Create switch-buttons for displaying only positive/negative lines + text
g.append("svg:rect")
.attr("x", 790)
.attr("y", 340)
.attr("width", 120)
.attr("height", 32)
.attr("class", "button2")
.style("fill", "7f3b08")
.style("visibility", "hidden");
g.append("svg:text")
.attr("x", 850)
.attr("y", 360)
.attr("class", "button2")
.attr("text-anchor", "middle")
.attr("font-family", "Lora")
.attr("font-size", "13px")
.attr("font-weight", "bold")
.attr("font-style", "italic")
.attr("fill", "white")
.text("POSITIVE")
.attr("pointer-events", "none")
.style("visibility", "hidden");
g.append("svg:rect")
.attr("x", 920)
.attr("y", 340)
.attr("width", 120)
.attr("height", 32)
.attr("class", "button3")
.style("fill", "#00003E")
.style("visibility", "hidden");
g.append("svg:text")
.attr("x", 980)
.attr("y", 360)
.attr("class", "button3")
.attr("text-anchor", "middle")
.attr("font-family", "Lora")
.attr("font-size", "13px")
.attr("font-weight", "bold")
.attr("font-style", "italic")
.attr("fill", "white")
.text("NEGATIVE")
.attr("pointer-events", "none")
.style("visibility", "hidden");
g.append("svg:text")
.attr("class", "button4")
.attr("text-anchor", "middle")
.attr("text-align", "center")
.attr("text-with", 100)
.attr("x", width -135)
.attr("y", 330)
.attr("font-family", "Lora")
.attr("font-size", "13px")
.text("TOGGLE LINE VISIBILIY BY CLICK:")
.style("visibility", "hidden");
// Initialize html tooltips
var tooltip = d3.select("#maincontainer")
.append("div")
.attr("id", "tt")
.style("z-index", "10")
.style("position", "absolute")
.style("visibility", "hidden");
var tooltip2 = d3.select("#maincontainer")
.append("div")
.attr("id", "tt2")
.style("z-index", "10")
.style("position", "absolute")
.style("visibility", "hidden");
var tooltip3 = d3.select("#maincontainer")
.append("div")
.attr("id", "tt3")
.style("z-index", "10")
.style("position", "absolute")
.style("visibility", "hidden");
// Load data
queue()
.defer(d3.csv, "coming.csv")
.defer(d3.csv, "going.csv")
.defer(d3.json, "ortsteile.json")
.await(ready);
// D3-Stuff
function ready(error, coming, going, map) {
// Matching
for (var i = 0; i < going.length; i++) {
var going_abbrev = going[i].abbrev;
for (var j = 0; j < map.features.length; j++) {
var map_abbrev = map.features[j].properties.abbrev;
if (going_abbrev == map_abbrev) {
matched = true;
map.features[j].Name = going[i].Ortsteil;
map.features[j].id = going_abbrev;
map.features[j].saldo = going[i].sum_imm - going[i].sum_emm;
map.features[j].sum_imm = going[i].sum_imm;
map.features[j].sum_emm = going[i].sum_emm;
break;
}
}
}
// Bind migration data to GeoJSON features and draw polygons
g.selectAll(".Ortsteil")
.data(map.features)
.enter()
.append("path")
.attr("class", "Ortsteil")
.attr("id", function (d) {return d.id;})
.attr("Name", function (d) {return d.Name;})
.attr("stroke-width", 0.8)
.style("stroke", "white")
.attr("d", path)
.style("fill", function(d) {return color(d.saldo);})
.style("fill-opacity", 1)
// Initialize path bound events
.on("mouseover", function (d) {return toolOver(d, this);})
.on("mousemove", function (d) {
var m = d3.mouse(this);
mx = m[0];
my = m[1];
return toolMove(mx, my, d);
})
.on("mouseout", function (d) {return toolOut(d, this);})
.on("click", function (d) {return switchview(d);});
// Initialize button bound events
d3.selectAll(".button")
.on("click", function (d) {reset()});
var display_positive = true;
var display_negative = true;
g.selectAll(".button2")
.on("click", function (d) {togglepositive()});
g.selectAll(".button3")
.on("click", function (d) {togglenegative()});
// Interactions
function toolOver(v, thepath) {
thepath.parentNode.appendChild(thepath) //reorder paths to bring hovered element to the front
d3.select(thepath).style({
"stroke-width": "2",
"stroke": "#222",
"cursor":"pointer"
});
return tooltip.style("visibility", "visible");
};
function toolMove(mx, my, data) {
if (my < 160) {my = 160}; // prevent tooltips from overlapping with heading
if (mx < 120) {mx = 120}; // or beeing displayed outside the canvas
return tooltip.style("top", my + -140 + "px").style("left", mx - 120 + "px").html("<div id='tipContainer'><div id='tipLocation'><b>" + data.Name + "</b></div><div id='tipKey'>Migration in: <b>" + data.sum_imm + "</b><br>Migration out: <b>" + data.sum_emm + "</b><br>Net migration: <b>" + data.saldo + "</b></div><div class='tipClear'></div> </div>");
};
function toolOut(m, thepath) {
d3.select(thepath).style({
"stroke-width": "0.8",
"stroke": "white",
"cursor":""
});
return tooltip.style("visibility", "hidden");
};
function toolSelected3 (selected) {
return tooltip3.style("top", "60px").style("left", "790px").html("<div id='tipContainer3'><div id='tipLocation3'><b>" + selected.Name + "</b></div><div id='tipKey3'>Migration in: <b>" + selected.sum_imm + "</b><br>Migration out: <b>" + selected.sum_emm + "</b><br>Net migration: <b>" + selected.saldo + "</b></div><div class='tipClear'></div> </div>").style("visibility", "visible");
};
function toolOver2(v, thepath) {
// reorder paths to bring selected element and referenced district to the front
d3.select(thepath).style({
"opacity": "1",
"cursor":"pointer"
});
var sel_destination = thepath.getAttribute("to_abbrev");
d3.select("#" + sel_destination).style({
"stroke-width": "2",
"stroke": "#222",
"cursor":"pointer"
});
return tooltip2.style("visibility", "visible");
};
function toolOut2(m, thepath) {
d3.select(thepath).style({
"opacity": "0.65",
"cursor":""
});
var sel_destination = thepath.getAttribute("to_abbrev");
d3.select("#" + sel_destination).style({
"stroke-width": "0.8",
"stroke": "white",
"cursor":""
});
return tooltip2.style("visibility", "hidden");
};
function toolMove2(mx, my, home, end, v1, v2) {
var diff = v1-v2;
if (my < 160) {my = 160}; // prevent tooltips from overlapping with heading
if (mx < 120) {mx = 120}; // or beeing displayed outside the canvas
return tooltip2.style("top", my + -140 + "px").style("left", mx - 120 + "px").html("<div id='tipContainer2'><div id='tipLocation'><b>" + home + " / " + end + "</b></div><div id='tipKey2'>Migration " + home + " to " + end +": <b>" + v1 + "</b><br>Migration, " + end + " to " + home +": <b>" + v2 + "</b><br>Net change, " + home + ": <b>" + formatD(v2-v1) + "</b></div><div class='tipClear'></div> </div>");
};
function switchview(selected) {
tooltip.style("visibility", "hidden");
var selname = selected.Name;
var selname_abbrev = selected.id;
var homex = path.centroid(selected)[0];
var homey = path.centroid(selected)[1];
// Switch active legend and display buttons
g.selectAll(".button, .button2, .button3, .button4, .legend2")
.style("visibility", "visible");
g.selectAll(".legend1")
.style("visibility", "hidden");
// Reduce opacity of choropleth map
g.selectAll(".Ortsteil")
.transition()
.style("fill-opacity", 0.25)
.duration(1200);
// Bring selected district to the front + highlight it, erase old selections
g.selectAll(".Ortsteil")
.sort(function (a, b) {
if (a.Name == selname) {return 1;}
else {return -1;}
})
.style({
"stroke-width": "0.8",
"stroke": "white",
});
d3.select("#" + selname_abbrev).style({
"stroke-width": "2",
"stroke": "black",
"cursor":"pointer"
});
//disable Tooltip1, enable Tooltip 3
g.selectAll(".Ortsteil")
.on("mouseover", "")
.on("mousemove", "")
.on("mouseout", "");
tooltip3.style("visibility", "visible");
toolSelected3(selected);
// Remove existing lines
g.selectAll(".goingline, .goingline_n, .goingline_p")
.attr("stroke-dasharray", 0)
.remove()
// Draw new lines
g.selectAll(".goingline")
.data(going)
.enter().append("path")
.attr("class", function (d,i) {
var finalval = - (coming[i][selname] - going[i][selname]);
if (finalval > 0) {return "goingline_p";}
else if (finalval < 0) { return "goingline_n";}
else { return "goingline";}
})
.attr("from", selname)
.attr("to_abbrev", function (d) {
return d.abbrev})
.attr("d", function(d,i) {
var abb = d.abbrev;
var finalval = - (coming[i][selname] - going[i][selname]);
var Gebiet = d3.select("#" + abb);
if(!isNaN(finalval)) {
var startx = path.centroid(Gebiet[0][0].__data__)[0];
var starty = path.centroid(Gebiet[0][0].__data__)[1];
}
if(finalval > 0) {
return "M" + startx + "," + starty + " Q" + (startx + homex)/2 + " " + (starty + homey)/1.7 +" " + homex+" " + homey;
} else {
return "M" + homex + "," + homey + " Q" + (startx + homex)/2 + " " + (starty + homey)/2.3 +" " + startx+" " + starty;
}
})
.call(transition)
.attr("stroke-width", function(d,i) {
var finalval = - (coming[i][selname] - going[i][selname]);
return lineSize(parseFloat(Math.abs(finalval)));
})
.attr("stroke", function(d,i) {
var finalval = - (coming[i][selname] - going[i][selname]);
if(finalval > 0) {return "#7f3b08";}
if (finalval < 0) {return "#00003E";}
})
.attr("fill", "none")
.attr("opacity", 0.65)
.attr("stroke-linecap", "round")
.on("mouseover", function (d) {
// reorder paths to bring referenced district to the front
g.selectAll(".Ortsteil").sort(function (a, b) {
if (a.Name == selname) {return 1;}
if (a.Name == d.Ortsteil) {return 1;}
else {return -1;}
});
return toolOver2(d, this);
})
.on("mousemove", function (d,i) {
var m = d3.mouse(this);
mx = m[0];
my = m[1];
return toolMove2(mx, my, selname, d.Ortsteil, coming[i][selname], going[i][selname]);
})
.on("mouseout", function (d) {
return toolOut2(d, this);
});
if (display_positive == false) {togglepositive();}
if (display_negative == false) {togglenegative();}
}
function togglepositive() {
display_positive = !display_positive;
if (display_positive == false){
g.selectAll(".goingline_p")
.style("visibility", "hidden");
g.select(".button2")
.style("fill-opacity", 0.25);
}
else {
g.selectAll(".goingline_p")
.style("visibility", "visible");
g.selectAll(".button2")
.style("fill-opacity", 1);
}
}
function togglenegative() {
display_negative = !display_negative;
if (display_negative == false){
g.selectAll(".goingline_n")
.style("visibility", "hidden");
g.select(".button3")
.style("fill-opacity", 0.25);
}
else {g.selectAll(".goingline_n")
.style("visibility", "visible");
g.selectAll(".button3")
.style("fill-opacity", 1);
}
}
function transition(path) {
path.transition()
.duration(2500)
.attrTween("stroke-dasharray", tweenDash);
}
function reset() {
// Remove lines
g.selectAll(".goingline, .goingline_n, .goingline_p")
.attr("stroke-dasharray", 0)
.remove();
// Reset choropletz map opacity
g.selectAll(".Ortsteil")
.transition()
.style({
"fill-opacity": "1",
"stroke-width": "0.8",
"stroke": "white",
})
.duration(1200);
// Hide Legende 2, Buttons & Tooltip 3
g.selectAll(".legend2, .button, .button2, .button3, .button4")
.style("visibility", "hidden");
tooltip3.style("visibility", "hidden");
// Enable Tooltip1
g.selectAll(".legend1")
.style("visibility", "visible");
g.selectAll(".Ortsteil")
.on("mouseover", function (d) {
return toolOver(d, this);
})
.on("mousemove", function (d) {
var m = d3.mouse(this);
mx = m[0];
my = m[1];
return toolMove(mx, my, d);
})
.on("mouseout", function (d) {
return toolOut(d, this);
});
}
function tweenDash() {
var l = this.getTotalLength(),
i = d3.interpolateString("0," + l, l + "," + l);
return function(t) { return i(t); };
}
}
// Legend1 - Choropleth map
var ls_w = 25, ls_h = 20;
g.selectAll("rect2")
.data(color_domain)
.enter()
.append("rect")
.attr("class", "legend1")
.attr("x", function(d, i){ return width - (i*ls_w) -35;})
.attr("y", 200)
.attr("width", ls_w)
.attr("height", ls_h)
.attr("stroke-width", 1)
.attr("stroke", "white")
.style("fill", function(d, i) { return color(d); })
.style("opacity", 0.8);
g.selectAll("text2")
.data(color_domain)
.enter()
.append("text")
.attr("class", "legend1")
.attr("text-anchor", "middle")
.attr("text-align", "center")
.attr("x", function(d, i){ return width - (i*ls_w) -10;})
.attr("y", 234)
.attr("font-family", "Muli")
.attr("font-size", "10px")
.text(function(d, i){ return legend_labels[i]; });
g.append("svg:text")
.attr("class", "legend1")
.attr("text-anchor", "middle")
.attr("text-align", "center")
.attr("x", function(d, i){ return width - (5*ls_w) -10;})
.attr("y", 192)
.attr("font-family", "Lora")
.attr("font-size", "16px")
.text("NET MIGRATION PER DISTRICT");
// Legend2 - Flow map
var entries = [2, -5, 10, 20, -50]
g.selectAll("lines")
.data(entries)
.enter()
.append("path")
.attr("class", "legend2")
.attr("fill", "none")
.attr("opacity", 0.65)
.attr("stroke-linecap", "round")
.attr("d", function(d, i) {
var startx1 = width - 250;
var starty1 = 248;
var homex1 = width - 40;
var homey1 = 208 + 20*i;
if(d > 0) {
return "M" + startx1 + "," + starty1 + " Q" + (startx1 + homex1)/2 + " " + (starty1 + homey1)/1.7 +" " + homex1+" " + homey1;
} else {
return "M" + homex1 + "," + homey1 + " Q" + (startx1 + homex1)/2 + " " + (starty1 + homey1)/2.3 +" " + startx1+" " + starty1;
}
})
.attr("stroke-width", function(d) {return lineSize(parseFloat(Math.abs(d)));})
.attr("stroke", function(d) {
if(d > 0) {
return "#7f3b08";
} else {
return "#00003E";
}
})
.style("visibility", "hidden");
g.selectAll("lines_labels")
.data(entries)
.enter()
.append("text")
.attr("class", "legend2")
.attr("text-anchor", "middle")
.attr("text-align", "center")
.attr("x", width - 22)
.attr("y", function(d, i) {return 212 + 20*i;})
.attr("font-family", "Muli")
.attr("font-size", "10px")
.text(function(d){ return formatD(d); })
.style("visibility", "hidden");
g.append("svg:text")
.attr("class", "legend2")
.attr("text-anchor", "middle")
.attr("text-align", "center")
.attr("x", width -135)
.attr("y", 192)
.attr("font-family", "Lora")
.attr("font-size", "15px")
.text("NET CHANGE (SELECTED DISTRICT)")
.style("visibility", "hidden");
// Mappable-Logo
g.append("svg:text")
.attr("x", 25)
.attr("y", 710)
.attr("class", "logo")
.attr("text-anchor", "left")
.attr("font-family", "Lora")
.attr("font-style", "italic")
.attr("font-size", "16px")
.attr("font-weight", "bold")
.attr("font-style", "italic")
.text("MAPPABLE.INFO")
.attr("cursor", "pointer")
.on("click", function() { window.open("http://mappable.info"); });
</script>
</body>
</html>