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d3_line2.html
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d3_line2.html
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<!DOCTYPE html>
<meta charset="utf-8">
<head>
<title>DOM Manipulation</title>
</head>
<style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
margin: auto;
padding-top: 40px;
position: relative;
width: 960px;
}
button {
position: absolute;
right: 10px;
top: 10px;
}
.bullet { font: 10px sans-serif; }
.bullet .marker { stroke: #000; stroke-width: 2px; }
.bullet .tick line { stroke: #666; stroke-width: .5px; }
.bullet .range.s0 { fill: #eee; }
.bullet .range.s1 { fill: #ddd; }
.bullet .range.s2 { fill: #ccc; }
.bullet .measure.s0 { fill: lightsteelblue; }
.bullet .measure.s1 { fill: steelblue; }
.bullet .title { font-size: 14px; font-weight: bold; }
.bullet .subtitle { fill: #999; }
</style>
<body>
<button>Update</button>
<!-- <div class="data-view"></div> -->
<script type="text/javascript" src="d3.v3.min.js"></script>
<script>
(function() {
// Chart design based on the recommendations of Stephen Few. Implementation
// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
// http://projects.instantcognition.com/protovis/bulletchart/
d3.bullet = function() {
var orient = "left", // TODO top & bottom
reverse = false,
duration = 0,
ranges = bulletRanges,
markers = bulletMarkers,
measures = bulletMeasures,
width = 380,
height = 30,
tickFormat = null;
// For each small multiple…
function bullet(g) {
g.each(function(d, i) {
var rangez = ranges.call(this, d, i).slice().sort(d3.descending),
markerz = markers.call(this, d, i).slice().sort(d3.descending),
measurez = measures.call(this, d, i).slice().sort(d3.descending),
g = d3.select(this);
// Compute the new x-scale.
var x1 = d3.scale.linear()
.domain([0, Math.max(rangez[0], markerz[0], measurez[0])])
.range(reverse ? [width, 0] : [0, width]);
// Retrieve the old x-scale, if this is an update.
var x0 = this.__chart__ || d3.scale.linear()
.domain([0, Infinity])
.range(x1.range());
// Stash the new scale.
this.__chart__ = x1;
// Derive width-scales from the x-scales.
var w0 = bulletWidth(x0),
w1 = bulletWidth(x1);
// Update the range rects.
var range = g.selectAll("rect.range")
.data(rangez);
range.enter().append("rect")
.attr("class", function(d, i) { return "range s" + i; })
.attr("width", w0)
.attr("height", height)
.attr("x", reverse ? x0 : 0)
.transition()
.duration(duration)
.attr("width", w1)
.attr("x", reverse ? x1 : 0);
range.transition()
.duration(duration)
.attr("x", reverse ? x1 : 0)
.attr("width", w1)
.attr("height", height);
// Update the measure rects.
var measure = g.selectAll("rect.measure")
.data(measurez);
measure.enter().append("rect")
.attr("class", function(d, i) { return "measure s" + i; })
.attr("width", w0)
.attr("height", height / 3)
.attr("x", reverse ? x0 : 0)
.attr("y", height / 3)
.transition()
.duration(duration)
.attr("width", w1)
.attr("x", reverse ? x1 : 0);
measure.transition()
.duration(duration)
.attr("width", w1)
.attr("height", height / 3)
.attr("x", reverse ? x1 : 0)
.attr("y", height / 3);
// Update the marker lines.
var marker = g.selectAll("line.marker")
.data(markerz);
marker.enter().append("line")
.attr("class", "marker")
.attr("x1", x0)
.attr("x2", x0)
.attr("y1", height / 6)
.attr("y2", height * 5 / 6)
.transition()
.duration(duration)
.attr("x1", x1)
.attr("x2", x1);
marker.transition()
.duration(duration)
.attr("x1", x1)
.attr("x2", x1)
.attr("y1", height / 6)
.attr("y2", height * 5 / 6);
// Compute the tick format.
var format = tickFormat || x1.tickFormat(8);
// Update the tick groups.
var tick = g.selectAll("g.tick")
.data(x1.ticks(8), function(d) {
return this.textContent || format(d);
});
// Initialize the ticks with the old scale, x0.
var tickEnter = tick.enter().append("g")
.attr("class", "tick")
.attr("transform", bulletTranslate(x0))
.style("opacity", 1e-6);
tickEnter.append("line")
.attr("y1", height)
.attr("y2", height * 7 / 6);
tickEnter.append("text")
.attr("text-anchor", "middle")
.attr("dy", "1em")
.attr("y", height * 7 / 6)
.text(format);
// Transition the entering ticks to the new scale, x1.
tickEnter.transition()
.duration(duration)
.attr("transform", bulletTranslate(x1))
.style("opacity", 1);
// Transition the updating ticks to the new scale, x1.
var tickUpdate = tick.transition()
.duration(duration)
.attr("transform", bulletTranslate(x1))
.style("opacity", 1);
tickUpdate.select("line")
.attr("y1", height)
.attr("y2", height * 7 / 6);
tickUpdate.select("text")
.attr("y", height * 7 / 6);
// Transition the exiting ticks to the new scale, x1.
tick.exit().transition()
.duration(duration)
.attr("transform", bulletTranslate(x1))
.style("opacity", 1e-6)
.remove();
});
d3.timer.flush();
}
// left, right, top, bottom
bullet.orient = function(x) {
if (!arguments.length) return orient;
orient = x;
reverse = orient == "right" || orient == "bottom";
return bullet;
};
// ranges (bad, satisfactory, good)
bullet.ranges = function(x) {
if (!arguments.length) return ranges;
ranges = x;
return bullet;
};
// markers (previous, goal)
bullet.markers = function(x) {
if (!arguments.length) return markers;
markers = x;
return bullet;
};
// measures (actual, forecast)
bullet.measures = function(x) {
if (!arguments.length) return measures;
measures = x;
return bullet;
};
bullet.width = function(x) {
if (!arguments.length) return width;
width = x;
return bullet;
};
bullet.height = function(x) {
if (!arguments.length) return height;
height = x;
return bullet;
};
bullet.tickFormat = function(x) {
if (!arguments.length) return tickFormat;
tickFormat = x;
return bullet;
};
bullet.duration = function(x) {
if (!arguments.length) return duration;
duration = x;
return bullet;
};
return bullet;
};
function bulletRanges(d) {
return d.ranges;
}
function bulletMarkers(d) {
return d.markers;
}
function bulletMeasures(d) {
return d.measures;
}
function bulletTranslate(x) {
return function(d) {
return "translate(" + x(d) + ",0)";
};
}
function bulletWidth(x) {
var x0 = x(0);
return function(d) {
return Math.abs(x(d) - x0);
};
}
})();
</script>
<script>
var data = [
{"title":"Revenue","subtitle":"US$, in thousands","ranges":[150,225,300],"measures":[220,270],"markers":[250]},
{"title":"Profit","subtitle":"%","ranges":[20,25,30],"measures":[21,23],"markers":[26]},
{"title":"Order Size","subtitle":"US$, average","ranges":[350,500,600],"measures":[100,320],"markers":[550]},
{"title":"New Customers","subtitle":"count","ranges":[1400,2000,2500],"measures":[1000,1650],"markers":[2100]},
{"title":"Satisfaction","subtitle":"out of 5","ranges":[3.5,4.25,5],"measures":[3.2,4.7],"markers":[4.4]}
];
var margin = {top: 5, right: 40, bottom: 20, left: 120},
width = 960 - margin.left - margin.right,
height = 50 - margin.top - margin.bottom;
var chart = d3.bullet()
.width(width)
.height(height);
var svg = d3.select("body").selectAll("svg")
.data(data)
.enter().append("svg")
.attr("class", "bullet")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")")
.call(chart);
var title = svg.append("g")
.style("text-anchor", "end")
.attr("transform", "translate(-6," + height / 2 + ")");
title.append("text")
.attr("class", "title")
.text(function(d) { return d.title; });
title.append("text")
.attr("class", "subtitle")
.attr("dy", "1em")
.text(function(d) { return d.subtitle; });
d3.selectAll("button").on("click", function() {
svg.datum(randomize).call(chart.duration(1000)); // TODO automatic transition
});
function randomize(d) {
if (!d.randomizer) d.randomizer = randomizer(d);
d.ranges = d.ranges.map(d.randomizer);
d.markers = d.markers.map(d.randomizer);
d.measures = d.measures.map(d.randomizer);
return d;
}
function randomizer(d) {
var k = d3.max(d.ranges) * .2;
return function(d) {
return Math.max(0, d + k * (Math.random() - .5));
};
}
</script>
</body>
</html>