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javascript - 如何将文本附加到 d3js v4 中的规范化堆叠图表

转载 作者:行者123 更新时间:2023-11-29 23:55:02 26 4
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我正在尝试将文本附加到 d3js v4 中的规范化堆叠图表,类似于 this

但对应柱的值显示在柱内。

这是链接中的代码。

<!DOCTYPE html>
<meta charset="utf-8">
<style>
.bar {
fill: steelblue;
}

.axis path {
display: none;
}
</style>
<svg width="960" height="870"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
var svg = d3.select("svg"),
margin = {
top: 20,
right: 60,
bottom: 30,
left: 40
},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var y = d3.scaleBand()
.rangeRound([0, width])
.padding(0.1)
.align(0.1);

var x = d3.scaleLinear()
.rangeRound([height, 0]);

var z = d3.scaleOrdinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);

var stack = d3.stack()
.offset(d3.stackOffsetExpand);

d3.csv("data.csv", type, function(error, data) {
if (error) throw error;

data.sort(function(a, b) {
return b[data.columns[1]] / b.total - a[data.columns[1]] / a.total;
});

y.domain(data.map(function(d) {
return d.State;
}));
z.domain(data.columns.slice(1));

var serie = g.selectAll(".serie")
.data(stack.keys(data.columns.slice(1))(data))
.enter().append("g")
.attr("class", "serie")
.attr("fill", function(d) {
return z(d.key);
});

serie.selectAll("rect")
.data(function(d) {
return d;
})
.enter().append("rect")
.attr("y", function(d) {
return y(d.data.State);
})
.attr("x", function(d) {
return x(d[1]);
})
.attr("width", function(d) {
return x(d[0]) - x(d[1]);
})
.attr("height", y.bandwidth());

g.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x).ticks(10, "%"));

g.append("g")
.attr("class", "axis axis--y")
.call(d3.axisLeft(y));

var legend = serie.append("g")
.attr("class", "legend")
.attr("transform", function(d) {
var d = d[0];
return "translate(" + ((x(d[0]) + x(d[1])) / 2) + ", " +(y(d.data.State) - y.bandwidth())+ ")";
});

legend.append("line")
.attr("y1", 5)
.attr("x1", 15)
.attr("x2", 15)
.attr("y2", 12)
.attr("stroke", "#000");

legend.append("text")
.attr("x", 9)
.attr("dy", "0.35em")
.attr("fill", "#000")
.style("font", "10px sans-serif")
.text(function(d) {
return d.key;
});
});

function type(d, i, columns) {
for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]];
d.total = t;
return d;
}
</script>

这是数据集(csv):

State,Under 5 Years,5 to 13 Years,14 to 17 Years,18 to 24 Years,25 to 44 Years,45 to 64 Years,65 Years and Over
AL,310504,552339,259034,450818,1231572,1215966,641667
AK,52083,85640,42153,74257,198724,183159,50277
AZ,515910,828669,362642,601943,1804762,1523681,862573
AR,202070,343207,157204,264160,754420,727124,407205
CA,2704659,4499890,2159981,3853788,10604510,8819342,4114496
CO,358280,587154,261701,466194,1464939,1290094,511094
CT,211637,403658,196918,325110,916955,968967,478007
DE,59319,99496,47414,84464,230183,230528,121688
DC,36352,50439,25225,75569,193557,140043,70648
FL,1140516,1938695,925060,1607297,4782119,4746856,3187797
GA,740521,1250460,557860,919876,2846985,2389018,981024
HI,87207,134025,64011,124834,356237,331817,190067
ID,121746,201192,89702,147606,406247,375173,182150
IL,894368,1558919,725973,1311479,3596343,3239173,1575308
IN,443089,780199,361393,605863,1724528,1647881,813839
IA,201321,345409,165883,306398,750505,788485,444554
KS,202529,342134,155822,293114,728166,713663,366706
KY,284601,493536,229927,381394,1179637,1134283,565867
LA,310716,542341,254916,471275,1162463,1128771,540314
ME,71459,133656,69752,112682,331809,397911,199187
MD,371787,651923,316873,543470,1556225,1513754,679565
MA,383568,701752,341713,665879,1782449,1751508,871098
MI,625526,1179503,585169,974480,2628322,2706100,1304322
MN,358471,606802,289371,507289,1416063,1391878,650519
MS,220813,371502,174405,305964,764203,730133,371598
MO,399450,690476,331543,560463,1569626,1554812,805235
MT,61114,106088,53156,95232,236297,278241,137312
NE,132092,215265,99638,186657,457177,451756,240847
NV,199175,325650,142976,212379,769913,653357,296717
NH,75297,144235,73826,119114,345109,388250,169978
NJ,557421,1011656,478505,769321,2379649,2335168,1150941
NM,148323,241326,112801,203097,517154,501604,260051
NY,1208495,2141490,1058031,1999120,5355235,5120254,2607672
NC,652823,1097890,492964,883397,2575603,2380685,1139052
ND,41896,67358,33794,82629,154913,166615,94276
OH,743750,1340492,646135,1081734,3019147,3083815,1570837
OK,266547,438926,200562,369916,957085,918688,490637
OR,243483,424167,199925,338162,1044056,1036269,503998
PA,737462,1345341,679201,1203944,3157759,3414001,1910571
RI,60934,111408,56198,114502,277779,282321,147646
SC,303024,517803,245400,438147,1193112,1186019,596295
SD,58566,94438,45305,82869,196738,210178,116100
TN,416334,725948,336312,550612,1719433,1646623,819626
TX,2027307,3277946,1420518,2454721,7017731,5656528,2472223
UT,268916,413034,167685,329585,772024,538978,246202
VT,32635,62538,33757,61679,155419,188593,86649
VA,522672,887525,413004,768475,2203286,2033550,940577
WA,433119,750274,357782,610378,1850983,1762811,783877
WV,105435,189649,91074,157989,470749,514505,285067
WI,362277,640286,311849,553914,1487457,1522038,750146
WY,38253,60890,29314,53980,137338,147279,65614

最佳答案

我会这样做:

var textAndRect = serie.selectAll("g")
.data(function(d) {
d.forEach(function(d0){
d0.key = d.key;
})
return d;
})
.enter().append("g")
.attr("transform", function(d){
return "translate(" + [x(d[1]), y(d.data.State)] + ")";
})

textAndRect.append("rect")
.attr("width", function(d) {
return x(d[0]) - x(d[1]);
})
.attr("height", y.bandwidth());

textAndRect.append("text")
.text(function(d){
return d.data[d.key];
})
.attr("x", function(d){
return (x(d[0]) - x(d[1])) / 2;
})
.attr("dy", "1.1em")
.style("font-family","arial")
.style("fill", "black")
.style("font-size", "7pt")
.style("text-anchor", "middle");

运行代码是here .

关于javascript - 如何将文本附加到 d3js v4 中的规范化堆叠图表,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41897757/

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