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globe.html
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globe.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Earth globe</title>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script src="https://d3js.org/queue.v1.min.js"></script>
</head>
<style type="text/css">
.water {
fill: #00248F;
}
.land {
fill: #A98B6F;
stroke: #FFF;
stroke-width: 0.7px;
}
.land:hover {
fill:#33CC33;
stroke-width: 1px;
}
.focused {
fill: #33CC33;
}
select {
position: absolute;
top: 20px;
left: 580px;
border: solid #ccc 1px;
padding: 3px;
box-shadow: inset 1px 1px 2px #ddd8dc;
}
.countryTooltip {
position: absolute;
display: none;
pointer-events: none;
background: #fff;
padding: 5px;
text-align: left;
border: solid #ccc 1px;
color: #666;
font-size: 14px;
font-family: sans-serif;
}
</style>
<body>
<script>
var width = 600,
height = 500,
sens = 0.25,
speed = -7e-3,
start = Date.now(),
globGDistance = 1.2,
corr = 0,
dragging = false,
myFocused,
λ,
focused;
//Setting projection
var projection = d3.geo.orthographic()
.scale(245)
.rotate([0, 0])
.translate([width / 2, height / 2])
.clipAngle(90);
var path = d3.geo.path()
.projection(projection);
//SVG container
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var g = svg.append("g");
//Adding water
g.append("path")
.datum({type: "Sphere"})
.attr("class", "water")
.attr("d", path)
.call(d3.behavior.drag()
.origin(function() { var r = projection.rotate(); return {x: r[0] / sens, y: -r[1] / sens}; })
.on("dragstart", function() {
dragging = true;
})
.on("dragend", function() {
dragging = false;
})
.on("drag", function() {
var rotate = projection.rotate();
projection.rotate([d3.event.x * sens, -d3.event.y * sens, rotate[2]]);
g.selectAll("path.land").attr("d", path);
g.selectAll(".focused").classed("focused", focused = false);
g.selectAll("circle").each(function(d) {
var coords = projection([d.longitude, d.latitude]);
d3.select(this).attr("cx", function(d) {
return coords[0];
})
.attr("cy", function(d) {
return coords[1];
})
/*
.attr('fill', d => {
gdistance = d3.geo.distance(coords, projection.invert(center));
console.log(gdistance);
return gdistance < globGDistance ? 'none' : 'steelblue';
})
*/
})
}));
var countryTooltip = d3.select("body").append("div").attr("class", "countryTooltip");
//countryList = d3.select("body").append("select").attr("name", "countries");
queue()
.defer(d3.json, "world-110m.json")
.defer(d3.tsv, "world-110m-country-names.tsv")
.defer(d3.json, "locations.json")
.await(ready);
//Main function
function ready(error, world, countryData, locations) {
var countryById = {},
countries = topojson.feature(world, world.objects.countries).features;
//Adding countries to select
countryData.forEach(function(d) {
countryById[d.id] = d.name;
/*
option = countryList.append("option");
option.text(d.name);
option.property("value", d.id);
*/
});
//Drawing countries on the globe
var world = g.selectAll("path.land")
.data(countries)
.enter().append("path")
.attr("class", "land")
.attr("d", path)
//Drag event
.call(d3.behavior.drag()
.origin(function() { var r = projection.rotate(); return {x: r[0] / sens, y: -r[1] / sens}; })
.on("drag", function() {
console.log("dragging");
var rotate = projection.rotate();
projection.rotate([d3.event.x * sens, -d3.event.y * sens, rotate[2]]);
g.selectAll("path").attr("d", path);
g.selectAll(".focused").classed("focused", focused = false);
}))
//Mouse events
.on("mouseover", function(d) {
countryTooltip.text(countryById[d.id])
.style("left", (d3.event.pageX + 7) + "px")
.style("top", (d3.event.pageY - 15) + "px")
.style("display", "block")
.style("opacity", 1);
})
.on("mouseout", function(d) {
countryTooltip.style("opacity", 0)
.style("display", "none");
})
.on("mousemove", function(d) {
countryTooltip.style("left", (d3.event.pageX + 7) + "px")
.style("top", (d3.event.pageY - 15) + "px");
})
.on("click", function(d) {
if (d3.event.defaultPrevented) return; // dragged
if (d === myFocused) return reset(d);
console.log(d);
//d3.select(this).classed("focused", true);
//console.log(this);
myFocused = d;
focusedCountry = d;
var rotate = projection.rotate(),
p = d3.geo.centroid(focusedCountry);
g.selectAll(".focused").classed("focused", focused = false);
//Globe rotating
(function transition() {
d3.transition()
.duration(2500)
.tween("rotate", function() {
var r = d3.interpolate(projection.rotate(), [-p[0], -p[1]]);
return function(t) {
projection.rotate(r(t));
g.selectAll("path").attr("d", path)
.classed("focused", function(e, i) { return e.id == focusedCountry.id ? focused = e : false; });
};
})
})();
setTimeout(function() {
console.log("circles");
g.selectAll("circle").transition().duration(500).attr("cx", function(d) {
console.log(d)
return projection([d.longitude, d.latitude])[0];
})
.attr("cy", function(d) {
return projection([d.longitude, d.latitude])[1];
})
}, 2500);
});
//Extra
const markers = g.selectAll('circle')
.data(locations);
markers
.enter()
.append('circle')
.attr('cx', d => projection([d.longitude, d.latitude])[0])
/*.attr('cx', d => {
console.log("test");
console.log(projection([d.longitude, d.latitude])[0]);
return 0;
})
*/
.attr('cy', d => projection([d.longitude, d.latitude])[1])
/*
.attr('fill', d => {
const coordinate = [d.longitude, d.latitude];
gdistance = d3.geo.distance(coordinate, projection.invert(center));
return gdistance < globGDistance ? 'none' : 'steelblue';
})
*/
.attr('r', 7);
//Country focus on option select
d3.select("select").on("change", function() {
console.log(this);
var rotate = projection.rotate(),
focusedCountry = country(countries, this),
p = d3.geo.centroid(focusedCountry);
console.log(focusedCountry);
//svg.selectAll(".focused").classed("focused", focused = false);
//Globe rotating
(function transition() {
d3.transition()
.duration(2500)
.tween("rotate", function() {
var r = d3.interpolate(projection.rotate(), [-p[0], -p[1]]);
return function(t) {
projection.rotate(r(t));
//svg.selectAll("path").attr("d", path)
//.classed("focused", function(d, i) { return d.id == focusedCountry.id ? focused = d : false; });
};
})
})();
});
d3.timer(function() {
if (!dragging && !myFocused) {
λ = speed * (Date.now() - start);
projection.rotate([λ + corr, -5]);
g.selectAll("path").attr("d", path);
g.selectAll("circle").each(function(d) {
var coords = projection([d.longitude, d.latitude]);
d3.select(this).attr("cx", function(d) {
return coords[0];
})
.attr("cy", function(d) {
return coords[1];
})
/*
.attr('fill', d => {
gdistance = d3.geo.distance(coords, projection.invert(center));
console.log(gdistance);
return gdistance < globGDistance ? 'none' : 'steelblue';
})
*/
})
}
});
function reset(focusedCountry) {
console.log("hut");
myFocused = false;
var test = g.selectAll(".focused");
console.log(test);
test.classed("focused", false);
console.log(test);
var rotate = projection.rotate(),
p = d3.geo.centroid(focusedCountry);
d3.transition()
.duration(1600)
.tween("rotate", function() {
console.log()
var r = d3.interpolate(projection.rotate(), [λ + corr, -5]);
return function(t) {
projection.rotate(r(t));
g.selectAll("path").attr("d", path);
};
})
}
function country(cnt, sel) {
for(var i = 0, l = cnt.length; i < l; i++) {
if(cnt[i].id == sel.value) {return cnt[i];}
}
};
};
</script>
</body>
</html>