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industries.html
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<!DOCTYPE html>
<html lang="en">
<head>
<base target="_top">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>10,000 Small Businesses Program Alumni Map</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.9.4/leaflet.css" integrity="sha512-Zcn6bjR/8RZbLEpLIeOwNtzREBAJnUKESxces60Mpoj+2okopSAcSUIUOseddDm0cxnGQzxIR7vJgsLZbdLE3w==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.9.4/leaflet.js" integrity="sha512-BwHfrr4c9kmRkLw6iXFdzcdWV/PGkVgiIyIWLLlTSXzWQzxuSg4DiQUCpauz/EWjgk5TYQqX/kvn9pG1NpYfqg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://unpkg.com/[email protected]/dist/leaflet.featuregroup.subgroup.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css"/>
<link rel="stylesheet" href="./leaflet.zoomhome.css">
<script src="./leaflet.zoomhome.min.js"></script>
<link rel="stylesheet" href="./demo.css">
<script src="./leaflet-iconex.js"></script>
<script src="https://cdn.jsdelivr.net/npm/d3@7"></script>
<style>
html, body {
height: 100%;
margin: 0;
}
.leaflet-container {
height: 100vh;
width: 100vw;
max-width: 100%;
max-height: 100%;
}
div.legend {
background-color: white;
padding: 0 20px 20px;
border-radius: 5px;
box-shadow: 0 0 15px rgba(0,0,0,0.2);
}
div.legend h3 {
letter-spacing: .05em;
font-size: 1.3em;
}
div.legend div.swatches {
display: flex;
flex-direction: column;
flex-wrap: wrap;
height: 50vh;
min-width: 270px;
}
div.legend.transit h3 {
width: 120px;
}
div.legend div.toggles {
display: flex;
flex-direction: column;
flex-wrap: wrap;
}
div.legend div.toggles span {
vertical-align: text-top;
line-height: .9em;
}
div.legend div.entry {
display: flex;
justify-content: space-between;
justify-content: flex-start;
}
div.cluster div.entry div.swatch {
margin-right: 10px;
width: 20px;
height: 20px;
border-radius: 10px;
margin-bottom: 5px;
pointer-events: none;
border: .5px solid black;
}
div.cluster div.entry div.label {
padding-top: 2px;
min-width: 120px;
pointer-events: none;
}
div.cluster div.entry.selected div.label {
font-weight: 600;
}
div.cluster .reset .label{
font-weight: 700 !important;
text-align: right;
width: 100%;
letter-spacing: .05em;
}
</style>
</head>
<body>
<div id="map" style="width: 100vw; height: 100vh;"></div>
<script>
const map = L.map('map', {zoomControl: false}).setView([38.47654, -76.71313], 8);
const zoomHome = L.Control.zoomHome();
zoomHome.addTo(map);
const Stadia_AlidadeSmooth = L.tileLayer('https://tiles.stadiamaps.com/tiles/alidade_smooth/{z}/{x}/{y}{r}.{ext}', {
minZoom: 0,
maxZoom: 20,
attribution: '© <a href="https://www.stadiamaps.com/" target="_blank">Stadia Maps</a> © <a href="https://openmaptiles.org/" target="_blank">OpenMapTiles</a> © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
ext: 'png'
}).addTo(map);
d3.csv("alumni.csv").then((data) => {
const locations = [
{
lat: 39.328888,
lon: -76.620277,
label: "The Johns Hopkins University - Homewood Campus"
},
{
lat: 39.3459,
lon: -76.5832,
label: "Morgan State University"
},
{
lat: 39.291,
lon: -76.61073,
label: "Baltimore City Hall"
},
{
lat: 39.254,
lon: -76.73406,
label: "The Community College of Baltimore County - Catonsville Campus"
},
{
lat: 39.2657,
lon: -76.51482,
label: "The Community College of Baltimore County - Dundalk Campus"
},
{
lat: 39.35452,
lon: -76.48061,
label: "The Community College of Baltimore County - Essex Campus"
}
]
const campuses = L.featureGroup();
const icon = new L.IconEx({
contentHtml: `<i class="fa fa-building"></i>`,
iconFill: "#002D72",
iconStroke: null,
backgroundFill: "#002D72",
contentColor: "#fff"
})
locations.forEach(c => {
L.marker([c.lat, c.lon], {icon: icon}).bindTooltip(c.label).addTo(campuses);
})
const alumni = L.featureGroup();
const subgroups = [];
const gradDates = Array.from(new Set(data.map(d => d.end_date)));
gradDates.forEach(cohort => {
let endDate = cohort.split("/");
let gradDate = new Date(endDate[2],
endDate[0].length < 2 ? `0${endDate[0]}` : endDate[0],
endDate[1].length < 2 ? `0${endDate[1]}` : endDate[1]);
let dateStrings = gradDate.toDateString().split(" ");
let cohortLabel = `${dateStrings[1]} ${dateStrings[3]}`;
let cohortData = data.filter(d => d.end_date === cohort);
subgroups.push({
label: cohortLabel,
data: cohortData,
date: gradDate});
})
const subgroupsSorted = subgroups.slice().sort((a,b) => b.date - a.date)
const industries = Array.from(new Set(data.map(d => d.industry))).sort((a,b)=>a.localeCompare(b));
const colorScale = d3.scaleSequential()
.domain([0, industries.length-1])
.interpolator(d3.interpolateCubehelixDefault);
subgroupsSorted.forEach(group => {
let groupMarkers = [];
group.data.forEach(alum => {
groupMarkers.push(
L.circleMarker([alum.latitude, alum.longitude], {
radius: 5,
fillColor: colorScale(alum.industry ? industries.indexOf(alum.industry) : industries.indexOf("Other")),
fillOpacity: .75,
stroke: true,
opacity: .75,
weight: 0.5,
color: alum.closed === "Yes" ? "red" : "black",
industry: alum.industry
}).bindTooltip(alum.business_name)
.bindPopup(`${alum.business_name} - ${alum.industry}`)
)
})
let cohortGroup = L.featureGroup.subGroup(alumni, groupMarkers)
cohortGroup.addTo(map);
group.layerGroup = cohortGroup;
})
alumni.addTo(map)
const overlays = {}
subgroupsSorted.forEach(g => overlays[g.label] = g.layerGroup)
const layerControl = L.control.layers(null, overlays, {collapsed: true});
const transitLayerControl = L.control({position: "bottomright"})
const transit_subgroups = [];
Promise.all([d3.json("blue_jay_shuttle_area.json"),
d3.json("jhu_shuttle_routes.geojson"),
d3.json("Baltimore_Region_Public_Transit_(routes).geojson")
]).then(([bjarea, jhu_shuttle, transitData]) => {
let styles = {
color: "#ff9333",
weight: 1,
opacity: 0.65,
};
let eachLayer = (layer) => {
layer.bindTooltip(
`${layer.feature.properties.Operator} ${layer.feature.properties.Route_Shor}<br/>${layer.feature.properties.LINENAME}`,
{ sticky: true }
);
}
let labels = ['Bus', 'Commuter', 'Local Bus', 'Local Ferry', 'Intercity', 'MARC', 'Light Rail', 'Subway'];
labels.forEach((label) => {
let geoJsonLayer = L.geoJson();
geoJsonLayer.addData(transitData.features.filter(t => t.properties.TYPE === label))
.setStyle(styles)
.eachLayer(eachLayer)
transit_subgroups.push({
"layer": geoJsonLayer,
"label": label
})
})
let bjareaLayer = L.geoJson();
bjareaLayer.addData(bjarea).setStyle({
color: "#0d6efd",
opacity: 0.65,
fillOpacity: 0,
weight: 1,
})
transit_subgroups.push({
"layer": bjareaLayer,
"label": "Blue Jay Shuttle Area"
})
let jhuShuttleLayer = L.geoJson();
jhuShuttleLayer.addData(jhu_shuttle).setStyle({
color: "#0a58ca",
weight: 1,
opacity: 0.65
})
jhuShuttleLayer.eachLayer((layer) => {
layer.bindTooltip(
`${layer.feature.properties.Name}`,
{ sticky: true }
);
})
transit_subgroups.push({
"layer": jhuShuttleLayer,
"label": "JHU Shuttle Routes"
})
transit_subgroups.push({
layer: campuses,
label: "Partner Locations"
});
transitLayerControl.onAdd = function(map) {
let div = L.DomUtil.create("div", "legend transit");
let h3 = L.DomUtil.create("h3", null, div);
h3.textContent = "Baltimore Region Transit"
let toggles = L.DomUtil.create("div", "toggles", div);
transit_subgroups.forEach(({label}) => {
let entry = L.DomUtil.create("label", "entry", toggles);
let chckbx = L.DomUtil.create("input", null, entry);
chckbx.value = label;
chckbx.type = "checkbox";
let chckLabel = L.DomUtil.create("span", null, entry);
chckLabel.textContent = label;
})
return div;
}
transitLayerControl.addTo(map);
d3.selectAll("div.toggles input").on("change", (e)=>{
let selected = transit_subgroups.find(f => f.label === e.target.value);
if (e.target.checked) {
selected.layer.addTo(map);
} else {
selected.layer.removeFrom(map);
}
})
d3.selectAll("div.toggles label.entry span").on("click", (e) =>{
L.DomEvent.stopPropagation(e);
})
layerControl.addTo(map);
});
const clusterLegend = L.control({position: "bottomleft"})
clusterLegend.onAdd = function(map) {
let div = L.DomUtil.create("div", 'legend cluster');
let h3 = L.DomUtil.create("h3", null, div);
h3.textContent = "Industries";
let swatches = L.DomUtil.create("div", "swatches", div)
industries.forEach((name, i) => {
if (name) {
let color = colorScale(i)
let entry = L.DomUtil.create("div", "entry", swatches);
let swatch = L.DomUtil.create("div", "swatch", entry);
let label = L.DomUtil.create("div", "label", entry);
swatch.style = `background-color: ${color};`
label.textContent = name;
}
})
let reset = L.DomUtil.create("div", "reset entry", div);
let btn = L.DomUtil.create("div", "label", reset)
btn.textContent = "Reset Filter";
return div;
}
clusterLegend.addTo(map);
function handleClusterLegendClick(e) {
d3.selectAll('div.entry').classed("selected", false);
let entry = d3.select(e.target);
entry.classed("selected", true);
let label = entry.select(".label").html();
alumni.eachLayer(function(layer) {
layer.setStyle({
fillOpacity: .75,
opacity: .75
})
if (label != "Reset Filter") {
let category = layer.options.industry;
if (label != category) {
layer.setStyle({
fillOpacity: .05,
opacity: .05
})
} else {
layer.bringToFront();
}
}
})
}
d3.selectAll("div.legend.cluster div.entry").on("click", handleClusterLegendClick)
})
</script>
</body>
</html>