Forked Grouped Bar Chart with Line to answer SO question Add data points and text to lines on a multi-bar graph with lines
forked from nanu146's block: Grouped Bar Chart with Line using d3.js
license: mit |
Forked Grouped Bar Chart with Line to answer SO question Add data points and text to lines on a multi-bar graph with lines
forked from nanu146's block: Grouped Bar Chart with Line using d3.js
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 10px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.bar { | |
fill: steelblue; | |
} | |
.x.axis path { | |
display: none; | |
} | |
</style> | |
<body> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script> | |
function getTextWidth(text, fontSize, fontName) { | |
c = document.createElement("canvas"); | |
ctx = c.getContext("2d"); | |
ctx.font = fontSize + ' ' + fontName; | |
return ctx.measureText(text).width; | |
} | |
function DataSegregator(array, on) { | |
var SegData; | |
OrdinalPositionHolder = { | |
valueOf: function () { | |
thisObject = this; | |
keys = Object.keys(thisObject); | |
keys.splice(keys.indexOf("valueOf"), 1); | |
keys.splice(keys.indexOf("keys"), 1); | |
return keys.length == 0 ? -1 : d3.max(keys, function (d) { return thisObject[d] }) | |
} | |
, keys: function () { | |
keys = Object.keys(thisObject); | |
keys.splice(keys.indexOf("valueOf"), 1); | |
keys.splice(keys.indexOf("keys"), 1); | |
return keys; | |
} | |
} | |
array[0].map(function (d) { return d[on] }).forEach(function (b) { | |
value = OrdinalPositionHolder.valueOf(); | |
OrdinalPositionHolder[b] = OrdinalPositionHolder > -1 ? ++value : 0; | |
}) | |
SegData = OrdinalPositionHolder.keys().map(function () { | |
return []; | |
}); | |
array.forEach(function (d) { | |
d.forEach(function (b) { | |
SegData[OrdinalPositionHolder[b[on]]].push(b); | |
}) | |
}); | |
return SegData; | |
} | |
Data = [ | |
{ Date: "2016-06-14", Categories: [{ Name: "Category1", Value: 368 }, { Name: "Category2", Value: 321 }, { Name: "Category3", Value: 524 }], LineCategory: [{ Name: "Line1", Value: 69 }, { Name: "Line2", Value: 63 }] }, | |
{ Date: "2016-06-15", Categories: [{ Name: "Category1", Value: 521 }, { Name: "Category2", Value: 123 }, { Name: "Category3", Value: 653 }], LineCategory: [{ Name: "Line1", Value: 89 }, { Name: "Line2", Value: 96 }] }, | |
{ Date: "2016-06-17", Categories: [{ Name: "Category1", Value: 368 }, { Name: "Category2", Value: 236 }, { Name: "Category3", Value: 537 }], LineCategory: [{ Name: "Line1", Value: 63 }, { Name: "Line2", Value: 35 }] }, | |
{ Date: "2016-06-18", Categories: [{ Name: "Category1", Value: 423 }, { Name: "Category2", Value: 330 }, { Name: "Category3", Value: 689 }], LineCategory: [{ Name: "Line1", Value: 86 }, { Name: "Line2", Value: 45 }] }, | |
{ Date: "2016-06-19", Categories: [{ Name: "Category1", Value: 601 }, { Name: "Category2", Value: 423 }, { Name: "Category3", Value: 490 }], LineCategory: [{ Name: "Line1", Value: 65 }, { Name: "Line2", Value: 63 }] }, | |
{ Date: "2016-06-20", Categories: [{ Name: "Category1", Value: 412 }, { Name: "Category2", Value: 461 }, { Name: "Category3", Value: 321 }], LineCategory: [{ Name: "Line1", Value: 75 }, { Name: "Line2", Value: 85 }] } | |
] | |
var margin = { top: 20, right: 30, bottom: 60, left: 40 }, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var textWidthHolder = 0; | |
/// Adding Date in LineCategory | |
Data.forEach(function (d) { | |
d.LineCategory.forEach(function (b) { | |
b.Date = d.Date; | |
}) | |
}); | |
var Categories = new Array(); | |
// Extension method declaration | |
Categories.pro | |
var Data; | |
var ageNames; | |
var x0 = d3.scale.ordinal() | |
.rangeRoundBands([0, width], .1); | |
var XLine = d3.scale.ordinal() | |
.rangeRoundPoints([0, width], .1); | |
var x1 = d3.scale.ordinal(); | |
var y = d3.scale.linear() | |
.range([height, 0]); | |
var YLine = d3.scale.linear().range([height, 0]) | |
.domain([0, d3.max(Data, function (d) { return d3.max(d.LineCategory, function (b) { return b.Value }) })]); | |
var color = d3.scale.ordinal() | |
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); | |
var line = d3.svg.line().x(function (d) { | |
return x0(d.Date) + x0.rangeBand() / 2; | |
}).y(function (d) { return YLine(d.Value) }); | |
var xAxis = d3.svg.axis() | |
.scale(x0) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left") | |
.tickFormat(d3.format(".2s")); | |
var YLeftAxis = d3.svg.axis().scale(YLine).orient("right").tickFormat(d3.format(".2s")); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
// Bar Data categories | |
Data.forEach(function (d) { | |
d.Categories.forEach(function (b) { | |
if (Categories.findIndex(function (c) { return c.Name===b.Name}) == -1) { | |
b.Type = "bar"; | |
Categories.push(b) | |
} | |
}) | |
}); | |
// Line Data categories | |
Data.forEach(function (d) { | |
d.LineCategory.forEach(function (b) { | |
if (Categories.findIndex(function (c) { return c.Name === b.Name }) == -1) { | |
b.Type = "line"; | |
Categories.push(b) | |
} | |
}) | |
}); | |
// Processing Line data | |
lineData = DataSegregator(Data.map(function (d) { return d.LineCategory }), "Name"); | |
// Line Coloring | |
LineColor = d3.scale.ordinal(); | |
LineColor.domain(Categories.filter(function (d) { return d.Type == "line" }).map(function (d) { return d.Name })); | |
LineColor.range(["#d40606", "#06bf00", "#98bdc5", "#671919", "#0b172b"]) | |
x0.domain(Data.map(function (d) { return d.Date; })); | |
XLine.domain(Data.map(function (d) { return d.Date; })); | |
x1.domain(Categories.filter(function (d) { return d.Type == "bar" }).map(function (d) { return d.Name})).rangeRoundBands([0, x0.rangeBand()]); | |
y.domain([0, d3.max(Data, function (d) { return d3.max(d.Categories, function (d) { return d.Value; }); })]); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "y axis") | |
.attr("transform", "translate(" + (width) + ",0)") | |
.call(YLeftAxis) | |
.append("text") | |
.attr("transform", "rotate(-90)") | |
.attr("y", -10) | |
.attr("dy", ".71em") | |
.style("text-anchor", "end") | |
.text("Percent"); | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(yAxis) | |
.append("text") | |
.attr("transform", "rotate(-90)") | |
.attr("y", 6) | |
.attr("dy", ".71em") | |
.style("text-anchor", "end") | |
.text("Population"); | |
var state = svg.selectAll(".state") | |
.data(Data) | |
.enter().append("g") | |
.attr("class", "state") | |
.attr("transform", function (d) { return "translate(" + x0(d.Date) + ",0)"; }); | |
state.selectAll("rect") | |
.data(function (d) { return d.Categories; }) | |
.enter().append("rect") | |
.attr("width", x1.rangeBand()) | |
.attr("x", function (d) { return x1(d.Name); }) | |
.attr("y", function (d) { return y(d.Value); }) | |
//.attr("height", function (d) { return height - y(d.Value); }) | |
.style("fill", function (d) { return color(d.Name); }) | |
.transition().delay(500).attrTween("height", function (d) { | |
var i = d3.interpolate(0, height - y(d.Value)); | |
return function (t) | |
{ | |
return i(t); | |
} | |
}); | |
// drawaing lines | |
// svg.selectAll(".lines").data(lineData).enter().append("g").attr("class", "line") | |
// .each(function (d) { | |
// Name=d[0].Name | |
// d3.select(this).append("path").attr("d", function (b) { return line(b) }).style({ "stroke-width": "2px", "fill": "none" }).style("stroke", LineColor(Name)).transition().duration(1500); | |
// }) | |
svg.selectAll(".lines") | |
.classed('labels-group', true) | |
.data(lineData) | |
.enter() | |
.append("g") | |
.attr("class", "line") | |
.each(function (d) { | |
Name = d[0].Name; | |
d3.select(this) | |
.append("path") | |
.attr("d", function (b) { return line(b) }) | |
.style({ "stroke-width": "3px", "fill": "none" }) | |
.style("stroke", LineColor(Name)) | |
.transition().duration(1500); | |
var texts = d3.select(this).selectAll('text.value') | |
.data(d) | |
.enter().append('text') | |
.classed('label', true) | |
.attr('dy', '-1em') | |
.text(function (d) { | |
return d.Value; | |
}) | |
.attr({ | |
'x': function(d, i) { | |
var width = d3.select(this).node().getBBox().width; | |
return x0(d.Date) + x0.rangeBand() / 2 - width/2; | |
}, | |
'y': function(d, i) { | |
return YLine(d.Value); | |
} | |
}); | |
}) | |
// Legends | |
var LegendHolder = svg.append("g").attr("class", "legendHolder"); | |
var legend = LegendHolder.selectAll(".legend") | |
.data(Categories.map(function (d) { return {"Name":d.Name,"Type":d.Type}})) | |
.enter().append("g") | |
.attr("class", "legend") | |
.attr("transform", function (d, i) { return "translate(0," +( height+ margin.bottom/2 )+ ")"; }) | |
.each(function (d,i) { | |
// Legend Symbols | |
d3.select(this).append("rect") | |
.attr("width", function () { return 18 }) | |
.attr("x", function (b) { | |
left = (i+1) * 15 + i * 18 + i * 5 + textWidthHolder; | |
return left; | |
}) | |
.attr("y", function (b) { return b.Type == 'bar'?0:7}) | |
.attr("height", function (b) { return b.Type== 'bar'? 18:5 }) | |
.style("fill", function (b) { return b.Type == 'bar' ? color(d.Name) : LineColor(d.Name) }); | |
// Legend Text | |
d3.select(this).append("text") | |
.attr("x", function (b) { | |
left = (i+1) * 15 + (i+1) * 18 + (i + 1) * 5 + textWidthHolder; | |
return left; | |
}) | |
.attr("y", 9) | |
.attr("dy", ".35em") | |
.style("text-anchor", "start") | |
.text(d.Name); | |
textWidthHolder += getTextWidth(d.Name, "10px", "calibri"); | |
}); | |
// Legend Placing | |
d3.select(".legendHolder").attr("transform", function (d) { | |
thisWidth = d3.select(this).node().getBBox().width; | |
return "translate(" + ((width) / 2 - thisWidth / 2) + ",0)"; | |
}) | |
</script> | |
</body> |
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