Skip to content

Instantly share code, notes, and snippets.

@dpmcnevin
Created November 26, 2012 15:54
Show Gist options
  • Save dpmcnevin/4148919 to your computer and use it in GitHub Desktop.
Save dpmcnevin/4148919 to your computer and use it in GitHub Desktop.
Another Inlet
{"description":"Another Inlet","endpoint":"","display":"svg","public":true,"require":[],"tab":"edit","display_percent":0.7,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01}
//data
var lanes = ["Chinese","Japanese","Korean"],
laneLength = lanes.length,
items = [{"lane": 0, "id": "Qin", "start": 5, "end": 205},
{"lane": 0, "id": "Jin", "start": 265, "end": 420},
{"lane": 0, "id": "Sui", "start": 580, "end": 615},
{"lane": 0, "id": "Tang", "start": 620, "end": 900},
{"lane": 0, "id": "Song", "start": 960, "end": 1265},
{"lane": 0, "id": "Yuan", "start": 1270, "end": 1365},
{"lane": 0, "id": "Ming", "start": 1370, "end": 1640},
{"lane": 0, "id": "Qing", "start": 1645, "end": 1910},
{"lane": 1, "id": "Yamato", "start": 300, "end": 530},
{"lane": 1, "id": "Asuka", "start": 550, "end": 700},
{"lane": 1, "id": "Nara", "start": 710, "end": 790},
{"lane": 1, "id": "Heian", "start": 800, "end": 1180},
{"lane": 1, "id": "Kamakura", "start": 1190, "end": 1330},
{"lane": 1, "id": "Muromachi", "start": 1340, "end": 1560},
{"lane": 1, "id": "Edo", "start": 1610, "end": 1860},
{"lane": 1, "id": "Meiji", "start": 1870, "end": 1900},
{"lane": 1, "id": "Taisho", "start": 1910, "end": 1920},
{"lane": 1, "id": "Showa", "start": 1925, "end": 1985},
{"lane": 1, "id": "Heisei", "start": 1990, "end": 1995},
{"lane": 2, "id": "Three Kingdoms", "start": 10, "end": 670},
{"lane": 2, "id": "North and South States", "start": 690, "end": 900},
{"lane": 2, "id": "Goryeo", "start": 920, "end": 1380},
{"lane": 2, "id": "Joseon", "start": 1390, "end": 1890},
{"lane": 2, "id": "Korean Empire", "start": 1900, "end": 1945}]
timeBegin = 0,
timeEnd = 2000;
var m = [20, 15, 15, 120], //top right bottom left
w = 960 - m[1] - m[3],
h = 500 - m[0] - m[2],
miniHeight = laneLength * 12 + 50,
mainHeight = h - miniHeight - 50;
//scales
var x = d3.scale.linear()
.domain([timeBegin, timeEnd])
.range([0, w]);
var x1 = d3.scale.linear()
.range([0, w]);
var y1 = d3.scale.linear()
.domain([0, laneLength])
.range([0, mainHeight]);
var y2 = d3.scale.linear()
.domain([0, laneLength])
.range([0, miniHeight]);
var chart = d3.select("svg")
.append("svg")
.attr("width", w + m[1] + m[3])
.attr("height", h + m[0] + m[2])
.attr("class", "chart");
chart.append("defs").append("clipPath")
.attr("id", "clip")
.append("rect")
.attr("width", w)
.attr("height", mainHeight);
var main = chart.append("g")
.attr("transform", "translate(" + m[3] + "," + m[0] + ")")
.attr("width", w)
.attr("height", mainHeight)
.attr("class", "main");
var mini = chart.append("g")
.attr("transform", "translate(" + m[3] + "," + (mainHeight + m[0]) + ")")
.attr("width", w)
.attr("height", miniHeight)
.attr("class", "mini");
//main lanes and texts
main.append("g").selectAll(".laneLines")
.data(items)
.enter().append("line")
.attr("x1", m[1])
.attr("y1", function(d) {return y1(d.lane);})
.attr("x2", w)
.attr("y2", function(d) {return y1(d.lane);})
.attr("stroke", "lightgray")
main.append("g").selectAll(".laneText")
.data(lanes)
.enter().append("text")
.text(function(d) {return d;})
.attr("x", -m[1])
.attr("y", function(d, i) {return y1(i + .5);})
.attr("dy", ".5ex")
.attr("text-anchor", "end")
.attr("class", "laneText");
//mini lanes and texts
mini.append("g").selectAll(".laneLines")
.data(items)
.enter().append("line")
.attr("x1", m[1])
.attr("y1", function(d) {return y2(d.lane);})
.attr("x2", w)
.attr("y2", function(d) {return y2(d.lane);})
.attr("stroke", "lightgray");
mini.append("g").selectAll(".laneText")
.data(lanes)
.enter().append("text")
.text(function(d) {return d;})
.attr("x", -m[1])
.attr("y", function(d, i) {return y2(i + .5);})
.attr("dy", ".5ex")
.attr("text-anchor", "end")
.attr("class", "laneText");
var itemRects = main.append("g")
.attr("clip-path", "url(#clip)");
//mini item rects
mini.append("g").selectAll("miniItems")
.data(items)
.enter().append("rect")
.attr("class", function(d) {return "miniItem" + d.lane;})
.attr("x", function(d) {return x(d.start);})
.attr("y", function(d) {return y2(d.lane + .5) - 5;})
.attr("width", function(d) {return x(d.end - d.start);})
.attr("height", 10);
//mini labels
mini.append("g").selectAll(".miniLabels")
.data(items)
.enter().append("text")
.text(function(d) {return d.id;})
.attr("x", function(d) {return x(d.start);})
.attr("y", function(d) {return y2(d.lane + .5);})
.attr("dy", ".5ex");
//brush
var brush = d3.svg.brush()
.x(x)
.on("brush", display);
mini.append("g")
.attr("class", "x brush")
.call(brush)
.selectAll("rect")
.attr("y", 1)
.attr("height", miniHeight - 1);
display();
function display() {
var rects, labels,
minExtent = brush.extent()[0],
maxExtent = brush.extent()[1],
visItems = items.filter(function(d) {return d.start < maxExtent && d.end > minExtent;});
mini.select(".brush")
.call(brush.extent([minExtent, maxExtent]));
x1.domain([minExtent, maxExtent]);
//update main item rects
rects = itemRects.selectAll("rect")
.data(visItems, function(d) { return d.id; })
.attr("x", function(d) {return x1(d.start);})
.attr("width", function(d) {return x1(d.end) - x1(d.start);});
rects.enter().append("rect")
.attr("class", function(d) {return "miniItem" + d.lane;})
.attr("x", function(d) {return x1(d.start);})
.attr("y", function(d) {return y1(d.lane) + 10;})
.attr("width", function(d) {return x1(d.end) - x1(d.start);})
.attr("height", function(d) {return .8 * y1(1);});
rects.exit().remove();
//update the item labels
labels = itemRects.selectAll("text")
.data(visItems, function (d) { return d.id; })
.attr("x", function(d) {return x1(Math.max(d.start, minExtent) + 2);});
labels.enter().append("text")
.text(function(d) {return d.id;})
.attr("x", function(d) {return x1(Math.max(d.start, minExtent));})
.attr("y", function(d) {return y1(d.lane + .5);})
.attr("text-anchor", "start");
labels.exit().remove();
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment