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Forked from mbostock/.block
Created October 28, 2011 08:00
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Google Maps + D3
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=true"></script>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?1.29.1"></script>
<style type="text/css">
html, body, #map {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.stations, .stations svg {
position: absolute;
}
.stations svg {
width: 60px;
height: 20px;
padding-right: 100px;
font: 10px sans-serif;
/* we need rather many text shadows to outline the text in enough contrast */
text-shadow: 0 0 1px #FFF, 0 0 1px #FFF, 0 0 1px #FFF, 0 0 1px #FFF,
0 0 1px #FFF, 0 0 1px #FFF, 0 0 1px #FFF, 0 0 1px #FFF,
0 0 1px #FFF, 0 0 1px #FFF, 0 0 1px #FFF, 0 0 1px #FFF,
0 0 2px #FFF, 0 0 2px #FFF, 0 0 2px #FFF, 0 0 2px #FFF,
0 0 2px #FFF, 0 0 2px #FFF, 0 0 2px #FFF, 0 0 2px #FFF;
}
.stations circle {
fill: brown;
stroke: black;
stroke-width: 1.5px;
}
</style>
</head>
<body>
<div id="map"></div>
<script type="text/javascript">
// Create the Google Map…
var map = new google.maps.Map(d3.select("#map").node(), {
zoom: 8,
center: new google.maps.LatLng(37.76487, -122.41948),
mapTypeId: google.maps.MapTypeId.TERRAIN
});
// Load the station data. When the data comes back, create an overlay.
d3.json("stations.json", function(data) {
var overlay = new google.maps.OverlayView();
// Add the container when the overlay is added to the map.
overlay.onAdd = function() {
var layer = d3.select(this.getPanes().overlayLayer).append("div")
.attr("class", "stations");
// Draw each marker as a separate SVG element.
// We could use a single SVG, but what size would it have?
overlay.draw = function() {
var projection = this.getProjection(),
padding = 10;
var marker = layer.selectAll("svg")
.data(d3.entries(data))
.each(transform) // update existing markers
.enter().append("svg:svg")
.each(transform)
.attr("class", "marker");
// Add a circle.
marker.append("svg:circle")
.attr("r", 4.5)
.attr("cx", padding)
.attr("cy", padding);
// Add a label.
marker.append("svg:text")
.attr("x", padding + 7)
.attr("y", padding)
.attr("dy", ".31em")
.text(function(d) { return d.key; });
function transform(d) {
d = new google.maps.LatLng(d.value[1], d.value[0]);
d = projection.fromLatLngToDivPixel(d);
return d3.select(this)
.style("left", (d.x - padding) + "px")
.style("top", (d.y - padding) + "px");
}
};
};
// Bind our overlay to the map…
overlay.setMap(map);
});
</script>
</body>
</html>
Raw
stations.json
{ "KMAE":[ -120.12
, 36.98
, "MADERA MUNICIPAL AIRPORT"
, [26,1,2,5,6,3,2,1,2,7,29,12,3]
]
, "KSJC":[ -121.92
, 37.37
, "SAN JOSE INTERNATIONAL AIRPORT"
, [28,1,1,1,6,10,5,3,2,4,14,21,7]
]
, "KMCE":[ -120.50
, 37.28
, "MERCED MUNICIPAL AIRPORT"
, [29,1,1,3,7,5,2,1,3,6,12,26,5]
]
, "KMER":[ -120.57
, 37.37
, "Merced / Castle Air Force Base"
, [34,1,1,1,4,5,2,1,1,4,17,22,7]
]
, "KAPC":[ -122.28
, 38.20
, "NAPA COUNTY AIRPORT"
, [23,2,1,6,3,3,8,18,11,13,4,3,5]
]
, "KSUU":[ -121.95
, 38.27
, "Fairfield / Travis Air Force Base"
, [13,7,4,3,3,6,4,13,33,4,1,2,7]
]
, "KSQL":[ -122.25
, 37.52
, "San Carlos Airport"
, [18,3,2,2,3,4,3,2,5,17,16,12,12]
]
, "KSNS":[ -121.60
, 36.67
, "SALINAS MUNICIPAL AIRPORT"
, [21,1,1,6,12,3,1,2,9,21,17,5,1]
]
, "KMOD":[ -120.95
, 37.62
, "MODESTO CITY CO SHAM FLD"
, [27,1,1,2,10,5,1,1,1,3,17,24,8]
]
, "KOAK":[ -122.23
, 37.72
, "METRO OAKLAND INTERNATIONAL AIRPORT"
, [16,3,3,2,4,6,3,4,9,23,20,6,2]
]
, "KSCK":[ -121.23
, 37.90
, "STOCKTON METROPOLITAN AIRPORT"
, [21,2,2,3,6,8,2,1,4,15,19,12,4]
]
, "KCCR":[ -122.05
, 38.00
, "CONCORD BUCHANAN FIELD"
, [24,3,2,1,1,5,17,12,9,9,7,6,4]
]
, "KMRY":[ -121.85
, 36.58
, "MONTEREY PENINSULA AIRPORT"
, [26,1,2,9,5,3,4,9,13,14,9,4,1]
]
, "KPAO":[ -122.12
, 37.47
, "Palo Alto Airport"
, [31,3,1,1,2,5,1,1,1,4,10,25,14]
]
, "KSAC":[ -121.50
, 38.50
, "SACRAMENTO EXECUTIVE AIRPORT"
, [32,1,0,1,3,11,12,16,5,2,4,9,3]
]
, "KHWD":[ -122.12
, 37.67
, "HAYWARD AIR TERMINAL"
, [20,2,7,2,2,6,3,3,6,23,18,6,2]
]
, "KSTS":[ -122.82
, 38.50
, "SANTA ROSA SONOMA COUNTY"
, [46,1,0,1,5,13,10,4,3,3,4,6,3]
]
, "KSMF":[ -121.60
, 38.70
, "SACRAMENTO INTERNATIONAL AIRPORT"
, [19,2,1,2,4,21,18,8,3,2,5,12,4]
]
, "KNUQ":[ -122.05
, 37.43
, "MOFFETT FIELD"
, [35,3,1,1,4,7,2,1,2,5,6,17,15]
]
, "KRHV":[ -121.82
, 37.33
, "San Jose / Reid / Hillv"
, [35,0,0,1,4,4,2,1,1,10,28,11,1]
]
, "KWVI":[ -121.78
, 36.93
, "WATSONVILLE MUNICIPAL AIRPORT"
, [44,1,2,3,4,5,7,9,8,4,6,5,2]
]
, "KMHR":[ -121.30
, 38.55
, "Sacramento, Sacramento Mather Airport"
, [21,1,1,2,8,15,12,12,7,4,5,7,3]
]
, "KVCB":[ -121.95
, 38.38
, "VACAVILLE NUT TREE AIRPORT"
, [36,2,1,1,2,6,10,18,10,2,2,5,6]
]
, "KSFO":[ -122.37
, 37.62
, "SAN FRANCISCO INTERNATIONAL AIRPORT"
, [13,3,3,2,3,4,4,4,7,31,20,2,3]
]
, "KLVK":[ -121.82
, 37.70
, "LIVERMORE MUNICIPAL AIRPORT"
, [32,2,7,3,1,1,2,7,9,17,16,2,1]
]
}
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