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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Precipitation and average temperatures at Maya sites</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<script type="text/javascript" src="../d3.min.js"></script>
<script type="text/javascript" src="../d3.geo.min.js"></script>
<script type="text/javascript" src="../d3.layout.min.js"></script>
<script type="text/javascript" src="../jquery-1.6.2.min.js"></script>
<style type="text/css">
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background-color: #c8ebf0;
text-rendering: optimizeLegibility;
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fill-opacity: 0;
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rect.overlay:hover {
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stroke-width: 2;
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rect.selected {
stroke: #ebee62;
stroke-width: 2;
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path.control:hover {
stroke: #fff;
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path.selected {
fill: #d6381b;
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circle.site {
stroke: #000;
stroke-width: 1;
shape-rendering: optimizeSpeed;
}
circle.site-selected {
stroke: #a62114;
stroke-width: 2;
fill: #a62114;
shape-rendering: optimizeSpeed;
}
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font: 11px Verdana, Palatino, Helvetica, sans;
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margin: 0;
border: 0;
padding: 3px 5px 3px 5px;
border-radius: 5px;
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button:hover {
background-color: #a8cbd0;
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button.active {
background-color: #98bbc0;
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</style>
</head>
<body>
<div id="loading">
<div style="position: fixed; top: 40%; width: 100%;
font-size: 600%; text-align: center; z-index: 11;">loading...</div>
<div style="position: fixed; height: 100%; width: 100%;
z-index: 10; background-color: #c8ebf0; opacity: 0.3;"></div>
</div>
<div style="top: 10px; left: 10px; width: 100%; height: 40px;">
<span style="font-size: xx-large; padding-right: 20px;">Maya sites climate</span>
<span style="position: relative; bottom: 6px;">
<button class="active" id="0">January</button>
<button class="inactive" id="1">February</button>
<button class="inactive" id="2">March</button>
<button class="inactive" id="3">April</button>
<button class="inactive" id="4">May</button>
<button class="inactive" id="5">June</button>
<button class="inactive" id="6">July</button>
<button class="inactive" id="7">August</button>
<button class="inactive" id="8">September</button>
<button class="inactive" id="9">October</button>
<button class="inactive" id="a">November</button>
<button class="inactive" id="b">December</button>
</span>
</div>
<div id="map" style="position: fixed; top: 50px; left: 10px; bottom: 50px;"></div>
<div style="position: fixed; top: 50px; right: 10px; bottom: 50px;">
<div id="label" style="font-size: 150%; position: relative; left: 50px; height: 70px; width: 380px;">
Welcome!<br/>
Move your mouse over sites or histogram / heatmap cells to show details.
Click to select months or parts of histogram / heatmap to show.
</div>
<div id="graph"></div>
<div id="elehist" style="position: relative; left: 100px;"></div>
</div>
<div style="position: fixed; bottom: 10px; left: 10px; width: 80%;">
Maya sites from the <a
href="http://mayagis.smv.org/index.htm">Electronic Atlas of Maya
sites</a>. Elevation data from <a
href="http://www2.jpl.nasa.gov/srtm/">NASA</a>, temperature and
precipitation data from <a
href="http://www.worldclim.org">WorldClim</a>. Mean temperature and
cumulative precipitation are shown.
</div>
<div style="position: fixed; bottom: 10px; right: 10px;">
Lars Kotthoff 2011
</div>
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}),
rainf = function(d) {
var sum = 0;
smonths.each(function(i, m) {
sum += d.p["r" + m];
});
return sum;
},
tempf = function(d) {
var sum = 0;
smonths.each(function(i, m) {
sum += d.p["t" + m];
});
return (sum/smonths.length/10).toFixed(1);
};
sites.selectAll("circle.site")
.on("mouseover", function(d) {
glab.html(d.p.n + ": " +
rainf(d) + " " + descs[0].unit + ", " +
tempf(d) + " " + descs[1].unit + ", " +
elef(d) + " " + descs[2].unit);
});
var o = bin(features, rainf, tempf);
var colour = d3.scale.pow().exponent(.25).domain([0, o.nmax]);
graph.selectAll("g.heatmap")
.data(o.bins)
.selectAll("rect")
.data(function(d) { return d; })
.transition().duration(500)
.attr("stroke", function(d) {
return d.length > 0 ? "#222" : "none";
})
.attr("fill", function(d, col) {
var row = parseInt(d3.select(this.parentNode)
.property("row")),
rcolour = descs[0].scale(row * o.limits[0][1]),
ecolour = descs[1].scale(col * o.limits[1][1]),
blend = d3.rgb(d3.scale.linear()
.range([rcolour, ecolour])(.5));
return colour.range(["#c8ebf0", blend])(d.length);
});
graph.selectAll("g.overlay")
.data(o.bins)
.selectAll("rect")
.data(function(d) { return d; })
.on("mouseover", function(d, col) {
var n = d3.event.target.parentNode,
r = parseInt(d3.select(n).property("row"));
updateLabel(o, descs, d.length,
[[0, r], [1, col]]);
});
$.each(o.marginals, function(i, m) {
var sscale = d3.scale.pow().exponent(.5)
.domain([0, o.maxs[i]])
.range([0, 100]),
me = graph.select("g.marginal-" + i);
me.selectAll("rect.hist")
.data(m)
.transition().duration(500)
.attr("transform", function(d, j) {
return "translate(" + -sscale(d.length) + "," +
s*j + ")";
})
.attr("width", function(d) {
return sscale(d.length);
})
.attr("fill", function(d, j) {
return descs[i].scale(j * o.limits[i][1]);
});
me.selectAll("rect.overlay")
.data(m)
.on("mouseover", function(d, j) {
updateLabel(o, descs, d.length, [[i, j]]);
})
.transition().duration(500)
.attr("transform", function(d, j) {
return "translate(" + -sscale(d.length) + "," +
s*j + ")";
})
.attr("width", function(d) {
return sscale(d.length);
});
var dc = sscale(d3.max([m[numBins/2-1].length,
m[numBins/2].length, m[numBins/2+1].length])) + 10;
me.selectAll("text.axislabel")
//.transition().duration(500)
.attr("transform", function() {
if(i == 0) {
return "translate(10,-10)";
} else {
return "translate(" + -dc + "," +
(s*numBins/2-s/2) +
")scale(1,-1)rotate(-90)";
}
});
me.selectAll("text.tick")
.text(function(d, j) {
var num = o.limits[i][0] + o.limits[i][1] * j;
return num == Math.floor(num) ? num : num.toFixed(1);
});
});
}
function bin(raw) {
if(arguments.length < 2) { return null; }
var args = [], limits = [], o = new Object();
for(var i = 1; i < arguments.length; i++) {
args.push(arguments[i]);
}
$.each(args, function(i, f) {
var data = $.map(raw, function(d) {
return f(d);
}).sort(nsort),
tmp = adjLims(data[0], data[data.length-1]),
dmin = tmp[0], dmax = tmp[1],
delta = (dmax - dmin) / numBins;
limits.push([dmin, delta, dmax]);
});
var bins = mkMatrixRe(numBins, args.length),
marginals = new Array(args.length);
for(var i = 0; i < marginals.length; i++) {
marginals[i] = mkMatrixRe(numBins, 1);
}
$.each(raw, function(i, d) {
assignBinRe(d, bins, marginals, limits, args, 0);
});
var maxs = new Array(marginals.length);
for(var i = 0; i < marginals.length; i++) {
maxs[i] = getMaxRe(marginals[0]);
}
o.bins = bins;
o.marginals = marginals;
o.limits = limits;
o.nmax = getMaxRe(bins);
o.maxs = maxs;
return o;
}
d3.json("mesoamerica-contours.geojson", function(json) {
feats = json.features.sort(function(a, b) {
return a.p.e - b.p.e;
});
var bounds0 = d3.geo.bounds(json),
bounds = bounds0.map(proj),
xscale = width/Math.abs(bounds[1][0] - bounds[0][0]),
yscale = height/Math.abs(bounds[1][1] - bounds[0][1]),
eles = [];
mscale = Math.min(xscale, yscale);
proj.scale(mscale);
t = proj([-bounds0[0][0], -bounds0[1][1]]);
proj.translate(t);
if(xscale > yscale) {
// center horizontally
var d = xscale * Math.abs(bounds[1][0] - bounds[0][0]) -
yscale * Math.abs(bounds[1][0] - bounds[0][0]);
map.attr("transform", "translate(" + d/2 + ", 0)");
} else {
// center vertically
var d = yscale * Math.abs(bounds[1][1] - bounds[0][1]) -
xscale * Math.abs(bounds[1][1] - bounds[0][1]);
map.attr("transform", "translate(0, " + d/2 + ")");
}
$.each(json.features, function(i, d) {
if(eles.length == 0 || eles[eles.length-1] != d.p.e) {
eles.push(d.p.e);
}
});
elebins.bins(eles).value(elef);
shapes.append("svg:g").selectAll("path")
.data(feats)
.enter().append("svg:path")
.classed("contour", true)
.attr("stroke", function(d) {
if(d.p.e == 0) {
return "#222";
}
})
.attr("fill", function(d) {
return escale(d.p.e);
})
.attr("d", path);
d3.json("rain-temp-ele.geojson", function(json) {
var descs = [];
descs.push({"name": "precipitation",
"unit": "l/m²",
"scale": d3.scale.linear()
.domain([0, 250, 375, 500, 625, 750, 1000, 1500,
2000, 2500, 3500, 4500])
.range(["#c66", "#cc9b66", "#ccb766", "#fafaf0",
"#cc6", "#6c6", "#287728", "#94dbdb",
"#66c", "#b83db8", "#6b2e8a", "#1f1f5c"])});
descs.push({"name": "temperature",
"unit": "°C",
"scale": d3.scale.linear()
.domain([0, 5, 10, 15, 20, 25, 30])
.range(["#8eddef", "#d2e6b1", "#cec863",
"#ca9368", "#e0626a", "#822732",
"#2e1f27"])});
descs.push({"name": "elevation",
"unit": "m",
"scale": escale});
sites.selectAll("circle")
.data(json.features)
.enter().append("svg:circle")
.attr("r", function(d) {
return Math.max(1, 4 - d.p.r);
})
.attr("cx", function(d) {
return proj(d.geometry.coordinates)[0];
})
.attr("cy", function(d) {
return proj(d.geometry.coordinates)[1];
})
.classed("site", true)
.on("mouseout", resetLabel);
$("button").each(function(i, m) {
d3.select(m).on("click", function() {
var t = d3.select(this);
if(t.attr("class") == "active") {
if($("button.active").length > 1) {
t.attr("class", "inactive");
updateGraph(descs, json.features);
}
} else {
t.attr("class", "active");
updateGraph(descs, json.features);
}
resetSiteSelection();
});
});
mkGraph(descs);
mkEleGraph(descs[2], json.features);
updateGraph(descs, json.features);
$("#loading").fadeOut();
});
});
})();
</script>
</body>
</html>