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@gelicia gelicia/_.md

Created Jul 6, 2013
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mbostock chained transitions
{"description":"mbostock chained transitions","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"style.css":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"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}
// copied from http://bl.ocks.org/mbostock/1125997
// this seems very useful!
var margin = {top: 40, right: 40, bottom: 40, left: 40},
width = 500 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var y = d3.scale.ordinal()
.domain(d3.range(50))
.rangePoints([0, height]);
var z = d3.scale.linear()
.domain([10, 0])
.range(["hsl(62,100%,90%)", "hsl(228,30%,20%)"])
.interpolate(d3.interpolateHcl);
var svg = d3.select("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.selectAll("circle")
.data(y.domain())
.enter().append("circle")
.attr("r", 25)
.attr("cx", 0)
.attr("cy", y)
.style("fill", function(d) { return z(Math.abs(d % 20 - 10)); })
.transition()
.duration(2500)
.delay(function(d) { return d * 40; })
.each(slide);
function slide() {
var circle = d3.select(this);
(function repeat() {
circle = circle.transition()
.attr("cx", width)
.transition()
.attr("cx", 0)
.each("start", repeat);
})();
}
circle {
fill: #000;
stroke: #000;
stroke-width: 1.5px;
}
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