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@markmarkoh
Created August 29, 2012 06:06
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<!doctype html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7" lang="en"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8" lang="en"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9" lang="en"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title></title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width">
<style>
.background {
fill: none;
pointer-events: all;
}
#states {
fill: #aaa;
stroke: #fff;
stroke-width: 1.5px;
}
#states .active {
fill: steelblue;
}
</style>
</head>
<body>
<!--[if lt IE 7]><p class=chromeframe>Your browser is <em>ancient!</em> <a href="http://browsehappy.com/">Upgrade to a different browser</a> or <a href="http://www.google.com/chromeframe/?redirect=true">install Google Chrome Frame</a> to experience this site.</p><![endif]-->
<header>
</header>
<div id="body">
</div>
<footer>
</footer>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?2.5.0"></script>
<script>
(function() {
var width = 1200,
height = 800,
centered;
var projection = projector = d3.geo.equirectangular()
.scale(width)
.translate([0, 0]);
var path = d3.geo.path()
.projection(projection);
var svg = d3.select("#body").append("svg:svg")
.attr("width", width)
.attr("height", height);
svg.append("svg:rect")
.attr("class", "background")
.attr("width", width)
.attr("height", height)
.on("click", click);
var g = svg.append("svg:g")
.attr("id", "wrapper")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
.append("svg:g")
.attr("id", "states");
d3.json("world-countries.json", function(json) {
g.selectAll("path")
.data(json.features)
.enter().append("svg:path")
.attr("d", path)
.on("click", click);
});
function click(d, isRealClick) {
var x = 0,
y = 0,
k = 1;
if (d && centered !== d) {
var centroid = path.centroid(d);
x = -centroid[0];
y = -centroid[1];
var area = path.area(d);
if (isRealClick === false) {
k = width / (50 + Math.ceil(path.area(d))); //zoom to "appropriate" levels
}
else {
k = 4;
}
centered = d;
} else {
centered = null;
}
console.log(x, y, centered, d, path.area(d));
g.selectAll("path")
.classed("active", centered && function(d) { return d === centered; });
g.transition()
.duration(1000)
.attr("transform", "scale(" + k + ")translate(" + x + "," + y + ")")
.style("stroke-width", 1/ k + "px");
}
function target(coords, isOrigin) {
var targetCoords = projector([coords.longitude, coords.latitude]);
console.log(targetCoords, 'pos');
var lineColor = (isOrigin ? "rgba(255, 120, 120, 1)" : "rgba(120, 120, 255, 1)");
d3.select("#states")
.append("svg:line")
.attr("stroke", lineColor)
.attr("x1", (isOrigin === true ? 1 : -1) * (width/2))
.attr("x2", (isOrigin === true ? 1 : -1) * (width/2))
.attr("y1", -1000)
.attr("y2", height)
.transition()
.duration(2500)
//.attr("transform", "translate(" + targetCoords[0] + ")");
.attr("x1", targetCoords[0])
.attr("x2", targetCoords[0]);
d3.select("#states")
.append("svg:line")
.attr("stroke", lineColor)
.attr("x1", -1000)
.attr("x2", width)
.attr("y1", -1 * (height / 2))
.attr("y2", -1 * (height / 2))
.transition()
.duration(2500)
.attr("y1", targetCoords[1])
.attr("y2", targetCoords[1]);
if ( isOrigin === true) {
window.setTimeout(function() {
focus();
}, 3000);
}
}
function focus(feature) {
if (!feature) {
//create a small box to focus in on.
feature = {"type":"Feature","geometry":{"type":"Polygon","coordinates":[[]]}};
feature.geometry.coordinates[0] = [
[targetCoords.longitude, targetCoords.latitude],
[targetCoords.longitude + 0.5, targetCoords.latitude + 0.5],
[hostCoords.longitude, hostCoords.latitude],
[hostCoords.longitude - 0.5, hostCoords.latitude - 0.5]
];
click(feature, false);
}
}
//key largo
var hostCoords = {longitude: -80.32, latitude: 25.5};
//new york
//hostCoords = {longitude: -74.14, latitude: 41.31};
//iceland
//hostCoords = {longitude: -21.14, latitude: 64.56};
//tokyo
//hostCoords = {longitude: 139.41, latitude: 35.41};
//austin
//hostCoords = {longitude: -97.42, latitude: 30.42};
if (navigator.geolocation) {
window.onload = function() {
navigator.geolocation.getCurrentPosition(function(position) {
console.log(position);
target(position.coords);
//save
targetCoords = position.coords;
window.setTimeout(function() {
target(hostCoords, true);
},600);
});
};
}
else {
console.log('hey');
}
})();
</script>
</body>
</html>
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