d3.js如何从数组中绘制堆叠的水平条
d3.js How to draw stacked horziontal bars from array?
我正试图让这个堆叠水平条的特定示例在独立的浏览器中工作:http://tributary.io/inlet/4966973。我知道以前有人问过关于这个代码的问题,但从来没有把它作为一个工作示例。当我在浏览器中运行以下代码时(即在分支站点之外),我会收到以下错误:'错误:属性transform="translate(0,NaN)"'的值无效。为什么代码不能在浏览器中运行?是否缺少某些元素?
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<div id="container">
<section id="display" style="width: 1038px;">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:xlink="http://www.w3.org/1999/xlink" class="tributary_svg" width="677" height="533"></svg></section>
</div>
<script>
/*modified from Mike Bostock at http://bl.ocks.org/3943967 */
var data = [
{"key":"FL", "pop1":3000, "pop2":4000, "pop3":5000},
{"key":"CA", "pop1":3000, "pop2":3000, "pop3":3000},
{"key":"NY", "pop1":12000, "pop2":5000, "pop3":13000},
{"key":"NC", "pop1":8000, "pop2":21000, "pop3":11000},
{"key":"SC", "pop1":30000, "pop2":12000, "pop3":8000},
{"key":"AZ", "pop1":26614, "pop2":6944, "pop3":30778},
{"key":"TX", "pop1":8000, "pop2":12088, "pop3":20000}
];
var n = 3, // number of layers
m = data.length, // number of samples per layer
stack = d3.layout.stack(),
labels = data.map(function(d) {return d.key;}),
//go through each layer (pop1, pop2 etc, that's the range(n) part)
//then go through each object in data and pull out that objects's population data
//and put it into an array where x is the index and y is the number
layers = stack(d3.range(n).map(function(d) {
var a = [];
for (var i = 0; i < m; ++i) {
a[i] = {x: i, y: data[i]['pop' + (d+1)]};
}
return a;
})),
//the largest single layer
yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
//the largest stack
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });
var margin = {top: 40, right: 10, bottom: 20, left: 50},
width = 677 - margin.left - margin.right,
height = 533 - margin.top - margin.bottom;
var y = d3.scale.ordinal()
.domain(d3.range(m))
.rangeRoundBands([2, height], .08);
var x = d3.scale.linear()
.domain([0, yStackMax])
.range([0, width]);
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
var xx = margin.top;
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 + ")");
var layer = svg.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) { return color(i); });
layer.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("y", function(d) { return y(d.x); })
.attr("x", function(d) { return x(d.y0); })
.attr("height", y.rangeBand())
.attr("width", function(d) { return x(d.y); });
var yAxis = d3.svg.axis()
.scale(y)
.tickSize(1)
.tickPadding(6)
.tickValues(labels)
.orient("left");
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
</script
</body>
您发现了一个相当有趣的问题,它可能与我们在另一个类似问题中发现的问题有关。看看这个答案。
为了测试这一理论,这里是您的代码副本并粘贴到Stack Overflow片段中。第一个是使用d3 3.2.8,并且似乎工作正常。
/*modified from Mike Bostock at http://bl.ocks.org/3943967 */
var data = [
{"key":"FL", "pop1":3000, "pop2":4000, "pop3":5000},
{"key":"CA", "pop1":3000, "pop2":3000, "pop3":3000},
{"key":"NY", "pop1":12000, "pop2":5000, "pop3":13000},
{"key":"NC", "pop1":8000, "pop2":21000, "pop3":11000},
{"key":"SC", "pop1":30000, "pop2":12000, "pop3":8000},
{"key":"AZ", "pop1":26614, "pop2":6944, "pop3":30778},
{"key":"TX", "pop1":8000, "pop2":12088, "pop3":20000}
];
var n = 3, // number of layers
m = data.length, // number of samples per layer
stack = d3.layout.stack(),
labels = data.map(function(d) {return d.key;}),
//go through each layer (pop1, pop2 etc, that's the range(n) part)
//then go through each object in data and pull out that objects's population data
//and put it into an array where x is the index and y is the number
layers = stack(d3.range(n).map(function(d) {
var a = [];
for (var i = 0; i < m; ++i) {
a[i] = {x: i, y: data[i]['pop' + (d+1)]};
}
return a;
})),
//the largest single layer
yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
//the largest stack
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });
var margin = {top: 40, right: 10, bottom: 20, left: 50},
width = 677 - margin.left - margin.right,
height = 533 - margin.top - margin.bottom;
var y = d3.scale.ordinal()
.domain(d3.range(m))
.rangeRoundBands([2, height], .08);
var x = d3.scale.linear()
.domain([0, yStackMax])
.range([0, width]);
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
var xx = margin.top;
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 + ")");
var layer = svg.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) { return color(i); });
layer.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("y", function(d) { return y(d.x); })
.attr("x", function(d) { return x(d.y0); })
.attr("height", y.rangeBand())
.attr("width", function(d) { return x(d.y); });
var yAxis = d3.svg.axis()
.scale(y)
.tickSize(1)
.tickPadding(6)
.tickValues(labels)
.orient("left");
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.2.8/d3.min.js"></script>
<div id="container">
<section id="display" style="width: 1038px;">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:xlink="http://www.w3.org/1999/xlink" class="tributary_svg" width="677" height="533"></svg></section>
</div>
再次出现,这次使用d3 3.4.11
/*modified from Mike Bostock at http://bl.ocks.org/3943967 */
var data = [
{"key":"FL", "pop1":3000, "pop2":4000, "pop3":5000},
{"key":"CA", "pop1":3000, "pop2":3000, "pop3":3000},
{"key":"NY", "pop1":12000, "pop2":5000, "pop3":13000},
{"key":"NC", "pop1":8000, "pop2":21000, "pop3":11000},
{"key":"SC", "pop1":30000, "pop2":12000, "pop3":8000},
{"key":"AZ", "pop1":26614, "pop2":6944, "pop3":30778},
{"key":"TX", "pop1":8000, "pop2":12088, "pop3":20000}
];
var n = 3, // number of layers
m = data.length, // number of samples per layer
stack = d3.layout.stack(),
labels = data.map(function(d) {return d.key;}),
//go through each layer (pop1, pop2 etc, that's the range(n) part)
//then go through each object in data and pull out that objects's population data
//and put it into an array where x is the index and y is the number
layers = stack(d3.range(n).map(function(d) {
var a = [];
for (var i = 0; i < m; ++i) {
a[i] = {x: i, y: data[i]['pop' + (d+1)]};
}
return a;
})),
//the largest single layer
yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
//the largest stack
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });
var margin = {top: 40, right: 10, bottom: 20, left: 50},
width = 677 - margin.left - margin.right,
height = 533 - margin.top - margin.bottom;
var y = d3.scale.ordinal()
.domain(d3.range(m))
.rangeRoundBands([2, height], .08);
var x = d3.scale.linear()
.domain([0, yStackMax])
.range([0, width]);
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
var xx = margin.top;
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 + ")");
var layer = svg.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) { return color(i); });
layer.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("y", function(d) { return y(d.x); })
.attr("x", function(d) { return x(d.y0); })
.attr("height", y.rangeBand())
.attr("width", function(d) { return x(d.y); });
var yAxis = d3.svg.axis()
.scale(y)
.tickSize(1)
.tickPadding(6)
.tickValues(labels)
.orient("left");
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
<div id="container">
<section id="display" style="width: 1038px;">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:xlink="http://www.w3.org/1999/xlink" class="tributary_svg" width="677" height="533"></svg></section>
</div>
这两个代码段之间的javascript是相同的,您可以清楚地看到行为是不同的。因此,简而言之,d3版本处理y轴(尤其是连接到轴的域)的方式存在差异。
这是一个修复d3 3.4.11 中问题的版本
/*modified from Mike Bostock at http://bl.ocks.org/3943967 */
var data = [
{"key":"FL", "pop1":3000, "pop2":4000, "pop3":5000},
{"key":"CA", "pop1":3000, "pop2":3000, "pop3":3000},
{"key":"NY", "pop1":12000, "pop2":5000, "pop3":13000},
{"key":"NC", "pop1":8000, "pop2":21000, "pop3":11000},
{"key":"SC", "pop1":30000, "pop2":12000, "pop3":8000},
{"key":"AZ", "pop1":26614, "pop2":6944, "pop3":30778},
{"key":"TX", "pop1":8000, "pop2":12088, "pop3":20000}
];
var n = 3, // number of layers
m = data.length, // number of samples per layer
stack = d3.layout.stack(),
labels = data.map(function(d) {return d.key;}),
//go through each layer (pop1, pop2 etc, that's the range(n) part)
//then go through each object in data and pull out that objects's population data
//and put it into an array where x is the index and y is the number
layers = stack(d3.range(n).map(function(d) {
var a = [];
for (var i = 0; i < m; ++i) {
//a[i] = {x: i, y: data[i]['pop' + (d+1)]};
a[i] = {x: data[i].key, y: data[i]['pop' + (d+1)]};
}
return a;
})),
//the largest single layer
yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
//the largest stack
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });
var margin = {top: 40, right: 10, bottom: 20, left: 50},
width = 677 - margin.left - margin.right,
height = 533 - margin.top - margin.bottom;
var y = d3.scale.ordinal()
//.domain(d3.range(m))
.domain(labels)
.rangeRoundBands([2, height], .08);
var x = d3.scale.linear()
.domain([0, yStackMax])
.range([0, width]);
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
var xx = margin.top;
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 + ")");
var layer = svg.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) { return color(i); });
layer.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("y", function(d) { return y(d.x); })
.attr("x", function(d) { return x(d.y0); })
.attr("height", y.rangeBand())
.attr("width", function(d) { return x(d.y); });
var yAxis = d3.svg.axis()
.scale(y)
.tickSize(1)
.tickPadding(6)
//.tickValues(labels)
.orient("left");
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
<div id="container">
<section id="display" style="width: 1038px;">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:xlink="http://www.w3.org/1999/xlink" class="tributary_svg" width="677" height="533"></svg></section>
</div>
这个版本有三个不同:
-
更新堆栈中
x
值引用的方式layers = stack(d3.range(n).map(function(d) { var a = []; for (var i = 0; i < m; ++i) { //a[i] = {x: i, y: data[i]['pop' + (d+1)]}; a[i] = {x: data[i].key, y: data[i]['pop' + (d+1)]}; } return a; })),
-
更改
y
标度的域var y = d3.scale.ordinal() //.domain(d3.range(m)) .domain(labels) .rangeRoundBands([2, height], .08);
-
从y轴删除
.tickValues
调用。它将使用标尺的domain
。var yAxis = d3.svg.axis() .scale(y) .tickSize(1) .tickPadding(6) //.tickValues(labels) .orient("left");
您可以看到这个新版本在d33.4.11中正常工作。
以下是使用d3 3.2.8:的固定版本
/*modified from Mike Bostock at http://bl.ocks.org/3943967 */
var data = [
{"key":"FL", "pop1":3000, "pop2":4000, "pop3":5000},
{"key":"CA", "pop1":3000, "pop2":3000, "pop3":3000},
{"key":"NY", "pop1":12000, "pop2":5000, "pop3":13000},
{"key":"NC", "pop1":8000, "pop2":21000, "pop3":11000},
{"key":"SC", "pop1":30000, "pop2":12000, "pop3":8000},
{"key":"AZ", "pop1":26614, "pop2":6944, "pop3":30778},
{"key":"TX", "pop1":8000, "pop2":12088, "pop3":20000}
];
var n = 3, // number of layers
m = data.length, // number of samples per layer
stack = d3.layout.stack(),
labels = data.map(function(d) {return d.key;}),
//go through each layer (pop1, pop2 etc, that's the range(n) part)
//then go through each object in data and pull out that objects's population data
//and put it into an array where x is the index and y is the number
layers = stack(d3.range(n).map(function(d) {
var a = [];
for (var i = 0; i < m; ++i) {
//a[i] = {x: i, y: data[i]['pop' + (d+1)]};
a[i] = {x: data[i].key, y: data[i]['pop' + (d+1)]};
}
return a;
})),
//the largest single layer
yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
//the largest stack
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });
var margin = {top: 40, right: 10, bottom: 20, left: 50},
width = 677 - margin.left - margin.right,
height = 533 - margin.top - margin.bottom;
var y = d3.scale.ordinal()
//.domain(d3.range(m))
.domain(labels)
.rangeRoundBands([2, height], .08);
var x = d3.scale.linear()
.domain([0, yStackMax])
.range([0, width]);
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
var xx = margin.top;
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 + ")");
var layer = svg.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) { return color(i); });
layer.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("y", function(d) { return y(d.x); })
.attr("x", function(d) { return x(d.y0); })
.attr("height", y.rangeBand())
.attr("width", function(d) { return x(d.y); });
var yAxis = d3.svg.axis()
.scale(y)
.tickSize(1)
.tickPadding(6)
//.tickValues(labels)
.orient("left");
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.2.8/d3.min.js"></script>
<div id="container">
<section id="display" style="width: 1038px;">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:xlink="http://www.w3.org/1999/xlink" class="tributary_svg" width="677" height="533"></svg></section>
</div>
它在d3 3.2.8中似乎也可以工作,所以它应该可以解决您的问题。
诊断起来很有趣,我唯一能想到的是,tributary.io是基于d3的旧版本,其中轴/域交互工作正常(尽管已损坏),而在您的独立版本中,您引用的是最新版本,它修复了问题所在(导致可视化中断,因为您的代码依赖于它)。
注意:弄清楚这一点很有趣,但如果没有我在26029141的回答中的额外评论,几乎不可能进行诊断。
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