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index2.html
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<!DOCTYPE html>
<meta charset="utf-8">
<title>spatialsankey.js - sankey diagrams on a map</title>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.3.1/dist/leaflet.css" integrity="sha512-Rksm5RenBEKSKFjgI3a41vrjkw4EVPlJ3+OiI65vTjIdo9brlAacEuKOiQ5OFh7cOI1bkDwLqdLw3Zg0cRJAAQ==" crossorigin=""/><style>
body {
position: absolute;
width:100%;
height: 100%;
margin: 0px;
font-family: sans-serif;
}
#map {
top:0px;
left:0px;
right:0px;
height: 100%;
}
path {
fill: none;
stroke: #4682B4;
stroke-opacity: 0.6;
stroke-linecap: round;
cursor: pointer;
}
path:hover {
stroke-opacity: 0.8;
stroke: #315B7E;
}
.curvesettings {
position: absolute;
right: 10px;
top:6px;
}
.box {
border: 1px solid #EEE;
margin: 3px;
padding: 5px;
background-color: white;
font-family: sans-serif;
font-size: 12px;
}
.title {
font-weight: 600;
}
.source {
position: absolute;
width: 50%;
top: 6px;
left: 50px;
}
</style>
<body>
<div id="map"></div>
<form class="curvesettings">
<div class="box">
<div class="title">Hover</div>
<div>Hover over nodes<br> to see links.</div>
</div>
</form>
</body>
<script src="https://unpkg.com/leaflet@1.3.1/dist/leaflet.js" integrity="sha512-/Nsx9X4HebavoBvEBuyp3I7od5tA0UzAxs+j83KgC8PU0kgB4XiK4Lfe4y4cgBtaRJQEIFCW+oC506aPT2L1zw==" crossorigin=""></script>
<script src="http://d3js.org/d3.v4.min.js"></script>
<!--script src="http://rawgit.com/geodesign/spatialsankey/master/spatialsankey.js"></script-->
<script src="../spatialsankey/spatialsankey.js"></script>
<script type="text/javascript">
// Set leaflet map
var map = new L.map('map', {
center: new L.LatLng(45.555555, -73.647647),
zoom: 12,
layers: [
new L.tileLayer('http://{s}tile.stamen.com/toner-lite/{z}/{x}/{y}.png', {
subdomains: ['','a.','b.','c.','d.'],
attribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="http://openstreetmap.org">OpenStreetMap</a>, under <a href="http://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>'
})
]
});
// Initialize the SVG layer
//map._initPathRoot()
var svgLayer = L.svg();
svgLayer.addTo(map);
var svg = d3.select("#map").select("svg");
g = svg.append("g");
/*
d3.json("data_out/circles.json", function(collection) {
// Add a LatLng object to each item in the dataset
collection.objects.forEach(function(d) {
d.LatLng = new L.LatLng(d.circle.coordinates[0],
d.circle.coordinates[1])
})
var feature = g.selectAll("circle")
.data(collection.objects)
.enter().append("circle")
.style("stroke", "black")
.style("opacity", .6)
.style("fill", "red")
.attr("r", 20);
map.on("viewreset", update);
update();
function update() {
feature.attr("transform",
function(d) {
return "translate("+
map.latLngToLayerPoint(d.LatLng).x +","+
map.latLngToLayerPoint(d.LatLng).y +")";
}
)
}
})
*/
d3.json("data_out/Stations_2017.geojson", function(mapData) {
d3.csv("data_out/bixi_flow.csv", function(flows) {
console.log(flows[0]);
var the_total = 0;
var the_station = 7005;
var the_biggest = null;
var dictionary = {};
flows.forEach(function(d) {
d.flow = +d.flow; //convert string to number
d.start_station_code = +d.start_station_code; //convert string to number
d.end_station_code = +d.end_station_code; //convert string to number
if (d.start_station_code == the_station) {
dictionary[d.end_station_code]=d.flow;
the_total += d.flow;
//console.log(d);
if (the_biggest == null) {
the_biggest = d;
console.log("############################");
console.log(d);
}
else {
if (the_biggest.flow < d.flow) {
the_biggest = d;
console.log("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%");
console.log(d);
}
}
}
});
console.log(flows[0]);
console.log("The station #" + the_station + " total is: " + the_total);
console.log("The station #" + the_station + " biggest flow is: " + the_biggest.flow + " from station#" + the_biggest.end_station_code);
var the_features = mapData.features;
//console.log(the_features);
// Add a LatLng object to each item in the dataset (invert them since coming from geojson)
the_features.forEach(function(d) {
d.LatLng = new L.LatLng(d.geometry.coordinates[1],
d.geometry.coordinates[0])
})
var feature = g.selectAll("geometry")
.data(the_features)
.enter()
.append("circle")
.style("stroke", "black")
.style("opacity", .6)
.style("fill", "blue")
.attr("r", 10);//(((32-2)*(dictionary[]/the_biggest.flow))+2));
map.on("viewreset", update);
map.on("zoomend", update);
update();
function update() {
feature.attr("transform",
function(d) {
return "translate("+
map.latLngToLayerPoint(d.LatLng).x +","+
map.latLngToLayerPoint(d.LatLng).y +")";
}
)
}
})
})
</script>