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nv.d3.js
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(function(){
var nv = {
version: '0.0.1a',
dev: true //set false when in production
};
window.nv = nv;
nv.tooltip = {}; // For the tooltip system
nv.utils = {}; // Utility subsystem
nv.models = {}; //stores all the possible models/components
nv.charts = {}; //stores all the ready to use charts
nv.graphs = []; //stores all the graphs currently on the page
nv.log = {}; //stores some statistics and potential error messages
nv.dispatch = d3.dispatch('render_start', 'render_end');
// ********************************************
// Public Core NV functions
nv.dispatch.on('render_start', function(e) {
nv.log.startTime = +new Date;
});
nv.dispatch.on('render_end', function(e) {
nv.log.endTime = +new Date;
nv.log.totalTime = nv.log.endTime - nv.log.startTime;
if (nv.dev && console.log) console.log('total', nv.log.totalTime); //used for development, to keep track of graph generation times
});
// ********************************************
// Public Core NV functions
nv.render = function render(step) {
step = step || 1; // number of graphs to generate in each timout loop
render.active = true;
nv.dispatch.render_start();
setTimeout(function(){
var chart;
for (var i = 0; i < step && (graph = render.queue[i]); i++) {
chart = graph.generate();
if (typeof graph.callback === 'function') graph.callback(chart);
nv.graphs.push(chart);
}
render.queue.splice(0, i);
if (render.queue.length) setTimeout(arguments.callee, 0);
else {
nv.render.active = false;
nv.dispatch.render_end();
}
}, 0);
};
nv.render.queue = [];
nv.addGraph = function(obj) {
if (typeof arguments[0] === 'function')
obj = {generate: arguments[0], callback: arguments[1]};
nv.render.queue.push(obj);
if (!nv.render.active) nv.render();
};
nv.identity = function(d) { return d };
nv.strip = function(s) {
return s.replace(/(\s|&)/g,'');
}
/* An ugly implementation to get month end axis dates
* Will hopefully refactor sooner than later
*/
function daysInMonth(month,year) {
var m = [31,28,31,30,31,30,31,31,30,31,30,31];
if (month != 2) return m[month - 1];
if (year%4 != 0) return m[1];
if (year%100 == 0 && year%400 != 0) return m[1];
return m[1] + 1;
}
function d3_time_range(floor, step, number) {
return function(t0, t1, dt) {
var time = floor(t0), times = [];
if (time < t0) step(time);
if (dt > 1) {
while (time < t1) {
var date = new Date(+time);
if (!(number(date) % dt)) times.push(date);
step(time);
}
} else {
while (time < t1) times.push(new Date(+time)), step(time);
}
return times;
};
}
d3.time.monthEnd = function(date) {
return new Date(date.getFullYear(), date.getMonth(), 0);
};
d3.time.monthEnds = d3_time_range(d3.time.monthEnd, function(date) {
date.setUTCDate(date.getUTCDate() + 1);
date.setDate(daysInMonth(date.getMonth() + 1, date.getFullYear()));
}, function(date) {
return date.getMonth();
}
);
/*****
* A no frills tooltip implementation.
*****/
(function() {
var nvtooltip = window.nv.tooltip = {};
nvtooltip.show = function(pos, content, gravity, dist) {
var container = document.createElement("div");
container.className = "nvtooltip";
gravity = gravity || 's';
dist = dist || 20;
var body = document.getElementsByTagName("body")[0];
container.innerHTML = content;
container.style.left = 0;
container.style.top = 0;
container.style.opacity = 0;
body.appendChild(container);
var height = parseInt(container.offsetHeight),
width = parseInt(container.offsetWidth),
windowWidth = nv.utils.windowSize().width,
windowHeight = nv.utils.windowSize().height,
scrollTop = body.scrollTop,
scrollLeft = body.scrollLeft,
left, top;
switch (gravity) {
case 'e':
left = pos[0] - width - dist;
top = pos[1] - (height / 2);
if (left < scrollLeft) left = pos[0] + dist;
if (top < scrollTop) top = scrollTop + 5;
if (top + height > scrollTop + windowHeight) top = scrollTop - height - 5;
break;
case 'w':
left = pos[0] + dist;
top = pos[1] - (height / 2);
if (left + width > windowWidth) left = pos[0] - width - dist;
if (top < scrollTop) top = scrollTop + 5;
if (top + height > scrollTop + windowHeight) top = scrollTop - height - 5;
break;
case 'n':
left = pos[0] - (width / 2);
top = pos[1] + dist;
if (left < scrollLeft) left = scrollLeft + 5;
if (left + width > windowWidth) left = windowWidth - width - 5;
if (top + height > scrollTop + windowHeight) top = pos[1] - height - dist;
break;
case 's':
left = pos[0] - (width / 2);
top = pos[1] - height - dist;
if (left < scrollLeft) left = scrollLeft + 5;
if (left + width > windowWidth) left = windowWidth - width - 5;
if (scrollTop > top) top = pos[1] + 20;
break;
}
container.style.left = left+"px";
container.style.top = top+"px";
container.style.opacity = 1;
container.style.position = "absolute"; //fix scroll bar issue
container.style.pointerEvents = "none"; //fix scroll bar issue
return container;
};
nvtooltip.cleanup = function() {
// Find the tooltips, mark them for removal by this class (so others cleanups won't find it)
var tooltips = document.getElementsByClassName('nvtooltip');
var purging = [];
while(tooltips.length) {
purging.push(tooltips[0]);
tooltips[0].style.transitionDelay = "0 !important";
tooltips[0].style.opacity = 0;
tooltips[0].className = "nvtooltip-pending-removal";
}
setTimeout(function() {
while (purging.length) {
var removeMe = purging.pop();
removeMe.parentNode.removeChild(removeMe);
}
}, 500);
};
})();
nv.utils.windowSize = function() {
// Sane defaults
var size = {width: 640, height: 480};
// Earlier IE uses Doc.body
if (document.body && document.body.offsetWidth) {
size.width = document.body.offsetWidth;
size.height = document.body.offsetHeight;
}
// IE can use depending on mode it is in
if (document.compatMode=='CSS1Compat' &&
document.documentElement &&
document.documentElement.offsetWidth ) {
size.width = document.documentElement.offsetWidth;
size.height = document.documentElement.offsetHeight;
}
// Most recent browsers use
if (window.innerWidth && window.innerHeight) {
size.width = window.innerWidth;
size.height = window.innerHeight;
}
return (size);
};
// Easy way to bind multiple functions to window.onresize
// TODO: give a way to remove a function after its bound, other than removing alkl of them
nv.utils.windowResize = function(fun){
var oldresize = window.onresize;
window.onresize = function(e) {
if (typeof oldresize == 'function') oldresize(e);
fun(e);
}
}
nv.models.axis = function() {
//Default Settings
var scale = d3.scale.linear(),
axisLabelText = null,
showMaxMin = true, //TODO: showMaxMin should be disabled on all ordinal scaled axes
highlightZero = true;
//TODO: considering adding margin
var axis = d3.svg.axis()
.scale(scale)
.orient('bottom')
.tickFormat(function(d) { return d }), //TODO: decide if we want to keep this
scale0;
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this);
var wrap = container.selectAll('g.wrap.axis').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'wrap axis');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g')
if (axis.orient() == 'top' || axis.orient() == 'bottom')
axis.ticks(Math.abs(scale.range()[1] - scale.range()[0]) / 100);
//TODO: consider calculating width/height based on whether or not label is added, for reference in charts using this component
d3.transition(g)
.call(axis);
scale0 = scale0 || axis.scale();
var axisLabel = g.selectAll('text.axislabel')
.data([axisLabelText || null]);
axisLabel.exit().remove();
switch (axis.orient()) {
case 'top':
axisLabel.enter().append('text').attr('class', 'axislabel')
.attr('text-anchor', 'middle')
.attr('y', 0);
axisLabel
.attr('x', scale.range()[1] / 2);
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'axisMaxMin').append('text');
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(' + scale(d) + ',0)'
})
.select('text')
.attr('dy', '0em')
.attr('y', -axis.tickPadding())
.attr('text-anchor', 'middle')
.text(function(d,i) {
return axis.tickFormat()(d)
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(' + scale.range()[i] + ',0)'
});
}
break;
case 'bottom':
axisLabel.enter().append('text').attr('class', 'axislabel')
.attr('text-anchor', 'middle')
.attr('y', 25);
axisLabel
.attr('x', scale.range()[1] / 2);
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'axisMaxMin').append('text');
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(' + scale(d) + ',0)'
})
.select('text')
.attr('dy', '.71em')
.attr('y', axis.tickPadding())
.attr('text-anchor', 'middle')
.text(function(d,i) {
return axis.tickFormat()(d)
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(' + scale.range()[i] + ',0)'
});
}
break;
case 'right':
axisLabel.enter().append('text').attr('class', 'axislabel')
.attr('transform', 'rotate(90)')
.attr('y', -40); //TODO: consider calculating this based on largest tick width... OR at least expose this on chart
axisLabel
.attr('x', -scale.range()[0] / 2);
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'axisMaxMin').append('text')
.style('opacity', 0);
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(0,' + scale(d) + ')'
})
.select('text')
.attr('dy', '.32em')
.attr('dx', axis.tickPadding())
.attr('text-anchor', 'start')
.text(function(d,i) {
return axis.tickFormat()(d)
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(0,' + scale.range()[i] + ')'
})
.select('text')
.style('opacity', 1);
}
break;
case 'left':
axisLabel.enter().append('text').attr('class', 'axislabel')
.attr('transform', 'rotate(-90)')
.attr('y', -40); //TODO: consider calculating this based on largest tick width... OR at least expose this on chart
axisLabel
.attr('x', -scale.range()[0] / 2);
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'axisMaxMin').append('text')
.style('opacity', 0);
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(0,' + scale0(d) + ')'
})
.select('text')
.attr('dy', '.32em')
.attr('dx', -axis.tickPadding())
.attr('text-anchor', 'end')
.text(function(d,i) {
return axis.tickFormat()(d)
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(0,' + scale.range()[i] + ')'
})
.select('text')
.style('opacity', 1);
}
break;
}
axisLabel
.text(function(d) { return d });
//check if max and min overlap other values, if so, hide the values that overlap
if (showMaxMin && (axis.orient() === 'left' || axis.orient() === 'right')) {
g.selectAll('g') // the g's wrapping each tick
.filter(function(d,i) {
return d && (scale(d) < 8 || scale(d) > scale.range()[0] - 8); // 8 is assuming text height is 16... if d is 0, leave it!
})
.remove();
}
if (showMaxMin && (axis.orient() === 'top' || axis.orient() === 'bottom')) {
var maxMinRange = [];
wrap.selectAll('g.axisMaxMin')
.each(function(d,i) {
if (i) // i== 1, max position
maxMinRange.push(scale(d) - this.getBBox().width - 4) //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
else // i==0, min position
maxMinRange.push(scale(d) + this.getBBox().width + 4)
});
g.selectAll('g') // the g's wrapping each tick
.filter(function(d,i) {
return d && (scale(d) < maxMinRange[0] || scale(d) > maxMinRange[1]);
})
.remove();
}
//highlight zero line ... Maybe should not be an option and should just be in CSS?
if (highlightZero)
g.selectAll('line.tick')
.filter(function(d) { return !parseFloat(Math.round(d*100000)/1000000) }) //this is because sometimes the 0 tick is a very small fraction, TODO: think of cleaner technique
.classed('zero', true);
scale0 = scale.copy();
});
return chart;
}
d3.rebind(chart, axis, 'orient', 'ticks', 'tickValues', 'tickSubdivide', 'tickSize', 'tickPadding', 'tickFormat');
d3.rebind(chart, scale, 'domain', 'range', 'rangeBand', 'rangeBands'); //these are also accessible by chart.scale(), but added common ones directly for ease of use
chart.axisLabel = function(_) {
if (!arguments.length) return axisLabelText;
axisLabelText = _;
return chart;
}
chart.showMaxMin = function(_) {
if (!arguments.length) return showMaxMin;
showMaxMin = _;
return chart;
}
chart.highlightZero = function(_) {
if (!arguments.length) return highlightZero;
highlightZero = _;
return chart;
}
chart.scale = function(_) {
if (!arguments.length) return scale;
scale = _;
axis.scale(scale);
d3.rebind(chart, scale, 'domain', 'range', 'rangeBand', 'rangeBands');
return chart;
}
return chart;
}
nv.models.historicalBar = function() {
var margin = {top: 0, right: 0, bottom: 0, left: 0},
width = 960,
height = 500,
id = Math.floor(Math.random() * 10000), //Create semi-unique ID in case user doesn't select one
getX = function(d) { return d.x },
getY = function(d) { return d.y },
forceX = [],
forceY = [],
clipEdge = true,
color = d3.scale.category20().range(),
xDomain, yDomain;
var x = d3.scale.linear(),
y = d3.scale.linear(),
xAxis = d3.svg.axis().scale(x).orient('bottom'),
yAxis = d3.svg.axis().scale(y).orient('left'),
dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout');
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom;
x .domain(xDomain || d3.extent(data[0].values, getX ))
.range([0, availableWidth]);
y .domain(yDomain || d3.extent(data[0].values, getY )) //Should 0 always be forced in bar charts?
.range([availableHeight, 0]);
//.nice(); // remove for consistency?
var parent = d3.select(this)
.on('click', function(d,i) {
dispatch.chartClick({
data: d,
index: i,
pos: d3.event,
id: id
});
});
var wrap = d3.select(this).selectAll('g.wrap.bar').data([data[0].values]);
var wrapEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 bar');
var gEnter = wrapEnter.append('g');
gEnter.append('g').attr('class', 'bars');
wrap.attr('width', width)
.attr('height', height);
var g = wrap.select('g')
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
wrapEnter.append('defs').append('clipPath')
.attr('id', 'chart-clip-path-' + id)
.append('rect');
wrap.select('#chart-clip-path-' + id + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
gEnter
.attr('clip-path', clipEdge ? 'url(#chart-clip-path-' + id + ')' : '');
var shiftWrap = gEnter.append('g').attr('class', 'shiftWrap');
var bars = wrap.select('.bars').selectAll('.bar')
.data(function(d) { return d });
bars.exit().remove();
var barsEnter = bars.enter().append('svg:rect')
.attr('class', function(d,i) { return getY(d,i) < 0 ? 'bar negative' : 'bar positive'})
.attr('fill', function(d,i) { return color[0]; })
.attr('x', 0 )
.attr('y', function(d,i) { return y(Math.max(0, getY(d,i))) })
.attr('height', function(d,i) { return Math.abs(y(getY(d,i)) - y(0)) })
.on('mouseover', function(d,i) {
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
point: d,
series: data[0],
pos: [x(getX(d,i)), y(getY(d,i))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: 0,
e: d3.event
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
point: d,
series: data[0],
pointIndex: i,
seriesIndex: 0,
e: d3.event
});
})
.on('click', function(d,i) {
dispatch.elementClick({
//label: d[label],
value: getY(d,i),
data: d,
index: i,
pos: [x(getX(d,i)), y(getY(d,i))],
e: d3.event,
id: id
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
//label: d[label],
value: getY(d,i),
data: d,
index: i,
pos: [x(getX(d,i)), y(getY(d,i))],
e: d3.event,
id: id
});
d3.event.stopPropagation();
});
bars
.attr('class', function(d,i) { return getY(d,i) < 0 ? 'bar negative' : 'bar positive'})
.attr('transform', function(d,i) { return 'translate(' + (x(getX(d,i)) - x(.5)) + ',0)'; }) //TODO: this assumes that each bar is an integer apart, it shouldn't
.attr('width', x(.9) ) //TODO: this assumes that each bar is an integar apart
d3.transition(bars)
.attr('y', function(d,i) { return y(Math.max(0, getY(d,i))) })
.attr('height', function(d,i) { return Math.abs(y(getY(d,i)) - y(0)) });
//.order(); // not sure if this makes any sense for this model
});
return chart;
}
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin = _;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.forceX = function(_) {
if (!arguments.length) return forceX;
forceX = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = _;
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
return chart;
}
// 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/
nv.models.bullet = function() {
var orient = "left", // TODO top & bottom
reverse = false,
duration = 0,
ranges = function(d) { return d.ranges },
markers = function(d) { return d.markers },
measures = function(d) { return d.measures },
width = 380,
height = 30,
tickFormat = null;
var dispatch = d3.dispatch('elementMouseover', 'elementMouseout');
// 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])]) // TODO: need to allow forceX and forceY, and xDomain, yDomain
.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);
function bulletWidth(x) {
var x0 = x(0);
return function(d) {
return Math.abs(x(d) - x(0));
};
}
function bulletTranslate(x) {
return function(d) {
return "translate(" + x(d) + ",0)";
};
}
*/
var w0 = function(d) { return Math.abs(x0(d) - x0(0)) }, // TODO: could optimize by precalculating x0(0) and x1(0)
w1 = function(d) { return Math.abs(x1(d) - x1(0)) };
// 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)
.on('mouseover', function(d,i) {
dispatch.elementMouseover({
value: d,
label: (i <= 0) ? 'Maximum' : (i > 1) ? 'Minimum' : 'Mean', //TODO: make these labels a variable
pos: [x1(d), height/2]
})
})
.on('mouseout', function(d,i) {
dispatch.elementMouseout({
value: d,
label: (i <= 0) ? 'Minimum' : (i >=1) ? 'Maximum' : 'Mean', //TODO: make these labels a variable
})
})
.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)
.on('mouseover', function(d) {
dispatch.elementMouseover({
value: d,
label: 'Current', //TODO: make these labels a variable
pos: [x1(d), height/2]
})
})
.on('mouseout', function(d) {
dispatch.elementMouseout({
value: d,
label: 'Current' //TODO: make these labels a variable
})
})
.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("path.markerTriangle")
.data(markerz);
var h3 = height / 6;
marker.enter().append("path")
.attr("class", "markerTriangle")
.attr('transform', function(d) { return 'translate(' + x0(d) + ',' + (height / 2) + ')' })
.attr('d', 'M0,' + h3 + 'L' + h3 + ',' + (-h3) + ' ' + (-h3) + ',' + (-h3) + 'Z')
.on('mouseover', function(d,i) {
dispatch.elementMouseover({
value: d,
label: 'Previous',
pos: [x1(d), height/2]
})
})
.on('mouseout', function(d,i) {
dispatch.elementMouseout({
value: d,
label: 'Previous'
})
});
marker.transition().duration(duration)
.attr('transform', function(d) { return 'translate(' + x1(d) + ',' + (height / 2) + ')' });
marker.exit().remove();
/*
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", function(d) { return "translate(" + x0(d) + ",0)" })
.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", function(d) { return "translate(" + x1(d) + ",0)" })
.style("opacity", 1);
// Transition the updating ticks to the new scale, x1.
var tickUpdate = tick.transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + x1(d) + ",0)" })
.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", function(d) { return "translate(" + x1(d) + ",0)" })
.style("opacity", 1e-6)
.remove();
});
d3.timer.flush();
}
bullet.dispatch = dispatch;
// 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;
};