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Geologic Time Scale
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{"oid":111,"typ":"int","nam":"Danian","lvl":5,"pid":38,"col":"#FDB462","lag":61.6,"eag":66,"rid":[47900]},
{"oid":743,"typ":"int","nam":"Selandian","lvl":5,"pid":38,"col":"#FEBF65","lag":59.2,"eag":61.6,"rid":[47900]},
{"oid":110,"typ":"int","nam":"Thanetian","lvl":5,"pid":38,"col":"#FDBF6F","lag":56,"eag":59.2,"rid":[47900]},
{"oid":109,"typ":"int","nam":"Ypresian","lvl":5,"pid":37,"col":"#FCA773","lag":47.8,"eag":56,"rid":[47900]},
{"oid":108,"typ":"int","nam":"Lutetian","lvl":5,"pid":37,"col":"#FCB482","lag":41.3,"eag":47.8,"rid":[47900]},
{"oid":107,"typ":"int","nam":"Bartonian","lvl":5,"pid":37,"col":"#FDC091","lag":38,"eag":41.3,"rid":[47900]},
{"oid":106,"typ":"int","nam":"Priabonian","lvl":5,"pid":37,"col":"#FDCDA1","lag":33.9,"eag":38,"rid":[47900]},
{"oid":105,"typ":"int","nam":"Rupelian","lvl":5,"pid":36,"col":"#FED99A","lag":28.1,"eag":33.9,"rid":[47900]},
{"oid":104,"typ":"int","nam":"Chattian","lvl":5,"pid":36,"col":"#FEE6AA","lag":23.03,"eag":28.1,"rid":[47900]},
{"oid":103,"typ":"int","nam":"Aquitanian","lvl":5,"pid":35,"col":"#FFFF33","lag":20.44,"eag":23.03,"rid":[47900]},
{"oid":102,"typ":"int","nam":"Burdigalian","lvl":5,"pid":35,"col":"#FFFF41","lag":15.97,"eag":20.44,"rid":[47900]},
{"oid":101,"typ":"int","nam":"Langhian","lvl":5,"pid":35,"col":"#FFFF4D","lag":13.82,"eag":15.97,"rid":[47900]},
{"oid":100,"typ":"int","nam":"Serravallian","lvl":5,"pid":35,"col":"#FFFF59","lag":11.62,"eag":13.82,"rid":[47900]},
{"oid":99,"typ":"int","nam":"Tortonian","lvl":5,"pid":35,"col":"#FFFF66","lag":7.246,"eag":11.62,"rid":[47900]},
{"oid":98,"typ":"int","nam":"Messinian","lvl":5,"pid":35,"col":"#FFFF73","lag":5.333,"eag":7.246,"rid":[47900]},
{"oid":97,"typ":"int","nam":"Zanclean","lvl":5,"pid":34,"col":"#FFFFB3","lag":3.6,"eag":5.333,"rid":[47900]},
{"oid":96,"typ":"int","nam":"Piacenzian","lvl":5,"pid":34,"col":"#FFFFBF","lag":2.588,"eag":3.6,"rid":[47900]},
{"oid":741,"typ":"int","nam":"Gelasian","lvl":5,"pid":33,"col":"#FFEDB3","lag":1.806,"eag":2.588,"rid":[47900]},
{"oid":740,"typ":"int","nam":"Calabrian","lvl":5,"pid":33,"col":"#FFF2BA","lag":0.781,"eag":1.806,"rid":[47900]},
{"oid":923,"typ":"int","nam":"Middle Pleistocene","lvl":5,"pid":33,"col":"#FFF2C7","lag":0.126,"eag":0.781,"rid":[15443]},
{"oid":922,"typ":"int","nam":"Late Pleistocene","lvl":5,"pid":33,"col":"#FFF2D3","lag":0.0117,"eag":0.126,"rid":[15443]},
{"oid":3002,"typ":"int","nam":"Holocene","lvl":5,"pid":32,"col":"#FEF2E0","lag":0,"eag":0.0117,"rid":[47900]}
]
}
.timescale {
font-family: Helvetica, sans-serif;
font-weight: 100;
font-size: 0.8em;
color:#333;
cursor: pointer;
}
rect {
stroke: #fff;
stroke-width:1px;
}
.abbr {
display:none;
}
#l0 {
color:#fff;
}
line {
stroke:#777;
}
.level1 {
font-size: 1em;
}
.level2 {
font-size: 0.9em;
}
.level3 {
font-size: 0.75em;
}
.level4 {
font-size: 0.65em;
}
.level5 {
font-size: 0.6em;
}
// Via http://stackoverflow.com/questions/14167863/how-can-i-bring-a-circle-to-the-front-with-d3
// Necessary for highlighting time intervals properly
d3.selection.prototype.moveToFront = function() {
return this.each(function(){
this.parentNode.appendChild(this);
});
};
var timescale = (function() {
var data = { oid: 0, col: "#000000", nam: "Geologic Time", children: [] },
interval_hash = { 0: data },
currentInterval,
dragStart, transformStart;
return {
"init": function(div) {
var w = 960,
h = 130,
x = d3.scale.linear().range([0, w - 5]),
y = d3.scale.linear().range([0, h]),
newX = 0.01;
var drag = d3.behavior.drag()
.origin(function() {
var t = d3.select(".timescale g");
return {x: -newX, y: 0};
})
.on("dragstart", function() {
dragStart = [d3.event.sourceEvent.pageX, d3.event.sourceEvent.pageY];
transformStart = d3.transform(d3.select(".timescale").select("g").attr("transform")).translate;
d3.event.sourceEvent.stopPropagation();
})
.on("drag", function() {
var currentDrag = [d3.event.sourceEvent.pageX, d3.event.sourceEvent.pageY];
newX = (dragStart[0] - currentDrag[0]);
d3.select(".timescale").select("g")
.attr("transform", function() {
return "translate(" + [ parseInt(transformStart[0] + -newX), 0 ] + ")scale(" + parseInt(d3.select(".timescale").style("width"))/961 + ")";
});
});
// Add class timescale to whatever div was supplied
d3.select("#" + div).attr("class", "timescale");
// Create the SVG for the chart
var time = d3.select("#" + div).append("svg:svg")
.attr("width", w)
.attr("height", h)
.append("g");
var scale = time.append("g")
.attr("id", "tickBar")
.attr("transform", "translate(0,125)");
// Load the time scale data
d3.json("intervals.json", function(error, result) {
for(var i=0; i < result.records.length; i++) {
var r = result.records[i];
r.children = [];
r.pid = r.pid || 0;
r.abr = r.abr || r.nam.charAt(0);
r.mid = parseInt((r.eag + r.lag) / 2),
r.total = r.eag - r.lag;
interval_hash[r.oid] = r;
interval_hash[r.pid].children.push(r);
}
// Create a new d3 partition layout
var partition = d3.layout.partition()
.sort(function(d) { d3.ascending(d); })
.value(function(d) { return d.total; });
var rectGroup = time.append("g")
.attr("id", "rectGroup");
// Create the rectangles
rectGroup.selectAll("rect")
.data(partition.nodes(data))
.enter().append("svg:rect")
.attr("x", function(d) { return x(d.x); })
.attr("y", function(d) { return y(d.y); })
.attr("width", function(d) { return x(d.dx); })
.attr("height", function(d) { return y(d.dy); })
.attr("fill", function(d) { return d.col || "#000000"; })
.attr("id", function(d) { return "t" + d.oid; })
.style("opacity", 0.83)
.call(drag)
.on("click", function(d) {
timescale.goTo(d);
});
// Scale bar for the bottom of the graph
var scaleBar = scale.selectAll("rect")
.data(partition.nodes(data));
var hash = scaleBar.enter().append("g")
.attr("class", function(d) {return "tickGroup s" + d.lvl})
.attr("transform", function(d) { return "translate(" + x(d.x) + ", 0)"});
hash.append("line")
.attr("x1", 0)
.attr("y1", 7.5)
.attr("x2", 0)
.attr("y2", 12)
.style("stroke-width", "0.05em");
hash.append("text")
.attr("x", 0)
.attr("y", 20)
.style("text-anchor", function(d) { return (d.eag == 0.0117) ? "end" : "middle"; })
.style("font-size", "0.65em")
.style("fill", "#777")
.text(function(d) {return d.eag});
// Create a tick for year 0
var now = scale.append("g")
.data([{x:1, y:0}])
.attr("class", "tickGroup s1 s2 s3 s4 s5")
.attr("transform","translate(955, 0)");
now.append("line")
.attr("x1", 0)
.attr("y1", 7.5)
.attr("x2", 0)
.attr("y2", 12)
.style("stroke-width", "0.05em");
now.append("text")
.attr("x", 0)
.attr("y", 20)
.attr("id", "now")
.style("text-anchor", "end")
.style("font-size", "0.65em")
.style("fill", "#777")
.text("0");
var textGroup = time.append("g")
.attr("id", "textGroup");
// Add the full labels
textGroup.selectAll("fullName")
.data(partition.nodes(data))
.enter().append("svg:text")
.text(function(d) { return d.nam; })
.attr("x", 1)
.attr("y", function(d) { return y(d.y) + 15;})
.attr("width", function() { return this.getComputedTextLength(); })
.attr("height", function(d) { return y(d.dy); })
.attr("class", function(d) { return "fullName level" + d.lvl; })
.attr("id", function(d) { return "l" + d.oid; })
.attr("x", function(d) { return timescale.labelX(d); })
.call(drag)
.on("click", function(d) {
timescale.goTo(d);
});
// Add the abbreviations
textGroup.selectAll("abbrevs")
.data(partition.nodes(data))
.enter().append("svg:text")
.attr("x", 1)
.attr("y", function(d) { return y(d.y) + 15; })
.attr("width", 30)
.attr("height", function(d) { return y(d.dy); })
.text(function(d) { return d.abr || d.nam.charAt(0); })
.attr("class", function(d) { return "abbr level" + d.lvl; })
.attr("id", function(d) { return "a" + d.oid; })
.attr("x", function(d) { return timescale.labelAbbrX(d); })
.on("click", function(d) {
timescale.goTo(d);
});
// Position the labels for the first time
timescale.goTo(interval_hash[0]);
// Remove the Geologic time abbreviation
d3.select(".abbr.levelundefined").remove();
// Open to Phanerozoic
timescale.goTo(interval_hash[751]);
}); // End PaleoDB json callback
//attach window resize listener to the window
d3.select(window).on("resize", timescale.resize);
// Size time scale to window
timescale.resize();
},
"labelLevels": function(d) {
// Center whichever interval was clicked
d3.select("#l" + d.oid).attr("x", 430);
// Position all the parent labels in the middle of the scale
if (typeof d.parent !== 'undefined') {
var depth = d.depth,
loc = "d.parent";
for (var i=0; i<depth;i++) {
var parent = eval(loc).nam;
d3.selectAll('.abbr').filter(function(d) {
return d.nam === parent;
}).attr("x", 430);
d3.selectAll('.fullName').filter(function(d) {
return d.nam === parent;
}).attr("x", 430);
loc += ".parent";
}
d3.selectAll('.abbr').filter(function(d) {
return d.nam === parent;
}).attr("x", 430);
d3.selectAll('.fullName').filter(function(d) {
return d.nam === parent;
}).attr("x", 430);
}
},
"labelAbbrX": function(d) {
var rectWidth = parseFloat(d3.select("#t" + d.oid).attr("width")),
rectX = parseFloat(d3.select("#t" + d.oid).attr("x"));
var labelWidth;
// Doesn't work in every browser. Try to get the text length, if it fails use a default value
try {
labelWidth = d3.select("#a" + d.oid).node().getComputedTextLength();
} catch(err) {
labelWidth = 11;
}
if (rectWidth - 8 < labelWidth) {
d3.select("#a" + d.oid).style("display", "none");
}
return rectX + (rectWidth - labelWidth) / 2;
},
"labelX": function(d) {
var rectWidth = parseFloat(d3.select("#t" + d.oid).attr("width")),
rectX = parseFloat(d3.select("#t" + d.oid).attr("x"));
var labelWidth;
try {
labelWidth = d3.select("#l" + d.oid).node().getComputedTextLength();
} catch(err) {
labelWidth = 25;
}
if (rectWidth - 8 < labelWidth) {
d3.select("#l" + d.oid).style("display", "none");
} else {
d3.select("#a" + d.oid).style("display", "none");
}
return rectX + (rectWidth - labelWidth) / 2;
},
"labelY": function(d) {
var rectHeight = parseFloat(d3.select("#t" + d.oid).attr("height")),
rectY = parseFloat(d3.select("#t" + d.oid).attr("y")),
labelHeight = d3.select("#l" + d.oid).node().getBBox().height,
scale = parseInt(d3.select(".timescale").style("width"))/961;
return (rectY * 0.8) + ((rectHeight - labelHeight) / 2) + 8;
},
"labelAbbrY": function(d) {
var rectHeight = parseFloat(d3.select("#t" + d.oid).attr("height")),
rectY = parseFloat(d3.select("#t" + d.oid).attr("y")),
labelHeight = d3.select("#l" + d.oid).node().getBBox().height,
scale = parseInt(d3.select(".timescale").style("width"))/961;
return (rectY * 0.8) + (rectHeight - labelHeight) / 2;
},
// Zooms the graph to a given time interval
// Accepts a data point or a named interval
"goTo": function(d) {
if (typeof d == "string") {
var d = d3.selectAll('rect').filter(function(e) {
return e.nam === d;
});
d = d[0][0].__data__;
} else if (d.children) {
if (d.children.length < 1) {
var d = d.parent;
}
} else {
var d = d;
}
// Stores the currently focused time interval for state restoration purposes
timescale.currentInterval = d;
// Adjust the bottom scale
var depth = (d.depth != 'undefined') ? parseInt(d.depth) + 1 : 1;
d3.selectAll(".scale").style("display", "none");
d3.selectAll(".tickGroup").style("display", "none");
d3.selectAll(".s" + depth).style("display", "block");
// Reset panning
d3.select(".timescale g")
.attr("transform", function() {
return "scale(" + parseInt(d3.select(".timescale").style("width"))/961 + ")";
});
// var n keeps track of the transition
var n = 0,
x = d3.scale.linear().range([5, 955]);
x.domain([d.x, d.x + d.dx]);
// "Hide" the labels during the transition
// Cannot calculate the correct position if display:none is used
d3.selectAll(".fullName")
.style("fill", "rgba(0,0,0,0)")
.style("display", "block");
d3.selectAll(".abbr")
.style("fill", "rgba(0,0,0,0)")
.style("display", "block");
d3.selectAll(".tickGroup").transition()
.duration(750)
.attr("transform", function(d) {
d3.select(this).selectAll("text").style("text-anchor", "middle");
if (x(d.x) == 5) {
d3.select(this).select("text")
.style("text-anchor", "start");
} else if (x(d.x) == 955) {
d3.select(this).select("text")
.style("text-anchor", "end");
}
return "translate(" + x(d.x) + ", 0)";
});
// When complete, calls labelTrans()
d3.selectAll("rect").transition()
.duration(750)
.each(function(){ ++n; })
.attr("x", function(d) { return x(d.x); })
.attr("width", function(d) { return x(d.x + d.dx) - x(d.x); })
.each("end", function() { if (!--n) { timescale.labelTrans(d); }});
},
"labelTrans": function(d) {
// var n keeps track of the transition
var n = 0,
x = d3.scale.linear().range([0, 955]),
y = d3.scale.linear().range([0, 120]);
x.domain([d.x, d.x + d.dx]);
// Move the full names
d3.selectAll(".fullName").transition()
.duration(10)
.each(function(){ ++n; })
.attr("x", function(d) { return timescale.labelX(d); })
.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); })
.each("end", function() { if (!--n) { timescale.labelLevels(d); }});
// Move the abbreviations
d3.selectAll(".abbr").transition()
.duration(300)
.each(function(){ ++n; })
.attr("x", function(d) { return timescale.labelAbbrX(d); })
.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); })
.each("end", function() {
if (!--n) {
timescale.labelLevels(d);
d3.select("#l0").style("fill", "#fff");
} else {
d3.selectAll(".fullName").style("fill", "#333");
d3.selectAll(".abbr").style("fill", "#333");
}
});
timescale.resize();
},
// Highlight a given time interval
"highlight": function(d) {
d3.selectAll("rect").style("stroke", "#fff");
if (d.cxi) {
var id = d.cxi;
d3.selectAll("rect#t" + d.cxi).style("stroke", "#000").moveToFront();
d3.selectAll("#l" + d.cxi).moveToFront();
} else if (typeof d == "string") {
var id = d3.selectAll('rect').filter(function(e) {
return e.nam === d;
}).attr("id");
id = id.replace("t", "");
} else {
var id = d3.select(d).attr("id");
id = id.replace("p", "");
}
d3.selectAll("rect#t" + id).style("stroke", "#000").moveToFront();
d3.selectAll("#l" + id).moveToFront();
d3.selectAll(".abbr").moveToFront();
},
// Unhighlight a time interval by resetting the stroke of all rectangles
"unhighlight": function() {
d3.selectAll("rect").style("stroke", "#fff");
},
"resize": function() {
d3.select(".timescale g")
.attr("transform", function() {
return "scale(" + parseInt(d3.select(".timescale").style("width"))/961 + ")";
});
d3.select(".timescale svg")
.style("width", function() {
return d3.select(".timescale").style("width");
})
.style("height", function() {
return parseInt(d3.select(".timescale").style("width")) * 0.25 + "px";
});
},
/* Interval hash can be exposed publically so that the time scale data can be used
for other things, such as maps */
//"interval_hash": interval_hash,
// Method for getting the currently zoomed-to interval - useful for preserving states
"currentInterval": currentInterval
}
})();
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