javascript - 为什么条形图彼此重叠
问题描述
我无法创建并排条形图。
这些条相互重叠，我希望它们并排出现。当您悬停时，您可以看到只有一半的条改变颜色。在 console.log 中显示了它们的正确值。
//set up data
var sales = [
{
"vendnm": "CHARNECA",
"MonthAbrev": "Jan",
"Vendas_Ano": 21611.950000000004,
"Vendas_Ant": 16033.31
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Fev",
"Vendas_Ano": 48108.08,
"Vendas_Ant": 51142.299999999996
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Mar",
"Vendas_Ano": 13427.280000000004,
"Vendas_Ant": 21274.129999999997
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Apr",
"Vendas_Ano": 28553.83,
"Vendas_Ant": 15228.569999999998
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Mai",
"Vendas_Ano": 19639.59,
"Vendas_Ant": 10291.359999999999
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Jun",
"Vendas_Ano": 22530.840000000007,
"Vendas_Ant": 21905.29
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Jul",
"Vendas_Ano": 20216.759999999995,
"Vendas_Ant": 8276
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Ago",
"Vendas_Ano": 39832.04,
"Vendas_Ant": 49810.810000000005
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Set",
"Vendas_Ano": 12861.52,
"Vendas_Ant": 24425.32
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Out",
"Vendas_Ano": 9227.34,
"Vendas_Ant": 17804.65
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Nov",
"Vendas_Ano": 31382.11,
"Vendas_Ant": 9993.34
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Dez",
"Vendas_Ano": 39832.04,
"Vendas_Ant": 36568.7
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Jan",
"Vendas_Ano": 22681.14,
"Vendas_Ant": 28587.71
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Fev",
"Vendas_Ano": 31382.11,
"Vendas_Ant": 37637.420000000006
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Mar",
"Vendas_Ano": 32453.779999999995,
"Vendas_Ant": 32993.12
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Apr",
"Vendas_Ano": 23445.4,
"Vendas_Ant": 30835.75
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Mai",
"Vendas_Ano": 16471.71,
"Vendas_Ant": 18028.07
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Jun",
"Vendas_Ano": 11617.470000000001,
"Vendas_Ant": 22651.53
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Jul",
"Vendas_Ano": 24699.44,
"Vendas_Ant": 34152.28999999999
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Ago",
"Vendas_Ano": 35476.94000000001,
"Vendas_Ant": 22069.699999999997
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Set",
"Vendas_Ano": 37462.92,
"Vendas_Ant": 23120.08
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Out",
"Vendas_Ano": 22042.140000000003,
"Vendas_Ant": 28449.95
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Nov",
"Vendas_Ano": 16471.71,
"Vendas_Ant": 30755.050000000003
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Dez",
"Vendas_Ano": 24699.44,
"Vendas_Ant": 22838.64
}
]
d3.selectAll('input[name=type-selector]').on('change', function () {
typeSelected = this.value;
createBar(getDataFromType(typeSelected));
});
var typeSelected = d3.select('input[name=type-selector]:checked', '#type-selector').node().value;
/////////////////////////////////////////////////
// BAR
/////////////////////////////////////////////////
var svgBar = d3.select("#myChart").append("svg").attr("width", 600).attr("height", 300);
var marginBar = {
top: 20,
right: 20,
bottom: 30,
left: 40
};
var widthBar = +svgBar.attr("width") - marginBar.left - marginBar.right;
var heightBar = +svgBar.attr("height") - marginBar.top - marginBar.bottom;
var xBar0 = d3.scaleBand().rangeRound([0, widthBar]).padding(0.1);
var xBar1 = d3.scaleBand().rangeRound([0, xBar0.bandwidth()]).padding(0.1);
var yBar = d3.scaleLinear().rangeRound([heightBar, 0]);
var gBar = svgBar.append("g").attr('id', 'gBar').attr("transform", "translate(" + marginBar.left + ", " + marginBar.top + ")");
var gX = gBar.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + heightBar + ")");
var gY = gBar.append("g")
.attr("class", "axis axis--y")
createBar(getDataFromType(typeSelected));
function createBar(sales) {
xBar0.domain(sales.map(function (d) {
return d.MonthAbrev;
}));
// xBar1.domain(reduceMonth.map(function (d) {
// return d.MonthAbrev;
// }));
yBar.domain([0, d3.max(sales, function (d) {
return d.value
}) + 15000]);
gX.call(d3.axisBottom(xBar0.padding(0.6)));
gY.call(d3.axisLeft(yBar))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("text-anchor", "end");
var bars = gBar.selectAll(".bar")
.data(sales);
bars.enter().append("rect")
.attr("class", "bar")
.merge(bars)
.attr("x", (d, i) => i * (widthBar / sales.length))
.attr("y", function (d) {
return yBar(d.value);
})
.attr("width", xBar0.bandwidth())
.attr("height", function (d) {
return heightBar - yBar(d.value);
})
.on("mouseover", function (a) {
console.log(a);
bars.append("text")
.attr("class", "title-text")
.style("fill", "rgb(44, 160, 44)")
.text(
a.vendnm
)
.attr("text-anchor", "middle")
.attr("x", 400)
.attr("y", 50);
})
.on("mouseout", function (a) {
bars.select(".title-text").remove();
})
}
// return the right data
function getDataFromType(type) {
var arr = [];
sales.forEach(function (item) {
arr.push({
"vendnm": item.vendnm,
"MonthAbrev": item.MonthAbrev,
"value": item[type]
});
});
return arr;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script>
<head>
<script src="https://d3js.org/d3.v5.js"></script>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js'></script>
</head>
<style>
.bar {
fill: steelblue;
}
.bar:hover {
fill: brown;
}
.arc text {
font: 10px sans-serif;
text-anchor: middle;
}
.arc path {
stroke: #fff;
}
</style>
<body>
<div style="margin: 20px">
<div style="margin-left: 50px;" id="type-selector-container">
<form id='type-selector'>
<input type='radio' name='type-selector' id='rb-1' value='Vendas_Ano' checked />
<label for='rb-1'>Vendas Ano</label>
<input type='radio' name='type-selector' id='rb-2' value='Vendas_Ant' />
<label for='rb-2'>Vendas Ant</label>
</form>
</div>
<div id="myChart"></div>
</div>
</body>我是 D3.js 的初学者，提前感谢您的帮助。
解决方案
我能够通过基本上改变我的'x'函数来解决。现在看起来像这样：
//set up data
var sales = [
{
"vendnm": "CHARNECA",
"MonthAbrev": "Jan",
"Vendas_Ano": 21611.950000000004,
"Vendas_Ant": 16033.31
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Fev",
"Vendas_Ano": 48108.08,
"Vendas_Ant": 51142.299999999996
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Mar",
"Vendas_Ano": 13427.280000000004,
"Vendas_Ant": 21274.129999999997
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Apr",
"Vendas_Ano": 28553.83,
"Vendas_Ant": 15228.569999999998
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Mai",
"Vendas_Ano": 19639.59,
"Vendas_Ant": 10291.359999999999
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Jun",
"Vendas_Ano": 22530.840000000007,
"Vendas_Ant": 21905.29
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Jul",
"Vendas_Ano": 20216.759999999995,
"Vendas_Ant": 8276
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Ago",
"Vendas_Ano": 39832.04,
"Vendas_Ant": 49810.810000000005
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Set",
"Vendas_Ano": 12861.52,
"Vendas_Ant": 24425.32
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Out",
"Vendas_Ano": 9227.34,
"Vendas_Ant": 17804.65
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Nov",
"Vendas_Ano": 31382.11,
"Vendas_Ant": 9993.34
},
{
"vendnm": "CHARNECA",
"MonthAbrev": "Dez",
"Vendas_Ano": 39832.04,
"Vendas_Ant": 36568.7
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Jan",
"Vendas_Ano": 22681.14,
"Vendas_Ant": 28587.71
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Fev",
"Vendas_Ano": 31382.11,
"Vendas_Ant": 37637.420000000006
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Mar",
"Vendas_Ano": 32453.779999999995,
"Vendas_Ant": 32993.12
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Apr",
"Vendas_Ano": 23445.4,
"Vendas_Ant": 30835.75
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Mai",
"Vendas_Ano": 16471.71,
"Vendas_Ant": 18028.07
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Jun",
"Vendas_Ano": 11617.470000000001,
"Vendas_Ant": 22651.53
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Jul",
"Vendas_Ano": 24699.44,
"Vendas_Ant": 34152.28999999999
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Ago",
"Vendas_Ano": 35476.94000000001,
"Vendas_Ant": 22069.699999999997
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Set",
"Vendas_Ano": 37462.92,
"Vendas_Ant": 23120.08
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Out",
"Vendas_Ano": 22042.140000000003,
"Vendas_Ant": 28449.95
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Nov",
"Vendas_Ano": 16471.71,
"Vendas_Ant": 30755.050000000003
},
{
"vendnm": "JOÃO LUIS",
"MonthAbrev": "Dez",
"Vendas_Ano": 24699.44,
"Vendas_Ant": 22838.64
}
]
d3.selectAll('input[name=type-selector]').on('change', function () {
typeSelected = this.value;
createBar(getDataFromType(typeSelected));
});
var typeSelected = d3.select('input[name=type-selector]:checked', '#type-selector').node().value;
/////////////////////////////////////////////////
// BAR
/////////////////////////////////////////////////
var svgBar = d3.select("#myChart").append("svg").attr("width", 600).attr("height", 300);
var marginBar = {
top: 20,
right: 20,
bottom: 30,
left: 40
};
var widthBar = +svgBar.attr("width") - marginBar.left - marginBar.right;
var heightBar = +svgBar.attr("height") - marginBar.top - marginBar.bottom;
var xBar0 = d3.scaleBand().range([0, widthBar]).padding(0.1);
var yBar = d3.scaleLinear().rangeRound([heightBar, 0]);
var gBar = svgBar.append("g").attr('id', 'gBar').attr("transform", "translate(" + marginBar.left + ", " + marginBar.top + ")");
var gX = gBar.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + heightBar + ")");
var gY = gBar.append("g")
.attr("class", "axis axis--y")
createBar(getDataFromType(typeSelected));
function createBar(sales) {
xBar0.domain(sales.map(function (d) {
return d.MonthAbrev;
}));
yBar.domain([0, d3.max(sales, function (d) {
return d.value
}) + 15000]);
var barWidth = xBar0.bandwidth() / 2;
gX.call(d3.axisBottom(xBar0));
gY.call(d3.axisLeft(yBar))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("text-anchor", "end");
var bars = gBar.selectAll(".bar")
.data(sales);
// console.log
bars.enter().append("rect")
.attr("class", "bar")
.merge(bars)
.attr("x", function (d, i) {
return xBar0(d.MonthAbrev) + barWidth * ((d.vendnm == 'CHARNECA') ? 0.2 : 1);
})
.attr("y", function (d) {
return yBar(d.value);
})
.attr("width", barWidth - 5)
.attr("height", function (d) {
// console.log(d);
return heightBar - yBar(d.value);
})
.attr("fill", function (d) {
if (d.vendnm === 'CHARNECA') {
return "rgb(251,180,174)";
} else {
return "rgb(179,205,227)";
}
})
.on("mouseover", function (a) {
gBar.append("text")
.attr("class", "title-text")
.style("fill", "#000000")
.text(
a.vendnm + ' - ' +
a.MonthAbrev + ' - ' +
Number(Math.round(a.value * 100) / 100).toLocaleString("es-ES", { minimumFractionDigits: 2 }) + '€'
)
.attr("text-anchor", "middle")
.attr("x", 200)
.attr("y", 30);
})
.on("mouseout", function (a) {
gBar.select(".title-text").remove();
})
}
// return the right data
function getDataFromType(type) {
var arr = [];
sales.forEach(function (item) {
arr.push({
"vendnm": item.vendnm,
"MonthAbrev": item.MonthAbrev,
"value": item[type]
});
});
return arr;
}<head>
<script src="https://d3js.org/d3.v5.js"></script>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js'></script>
</head>
<style>
.bar:hover {
fill: brown;
}
.arc text {
font: 10px sans-serif;
text-anchor: middle;
}
.arc path {
stroke: #fff;
}
</style>
<body>
<div style="margin: 20px">
<div style="margin-left: 50px;" id="type-selector-container">
<form id='type-selector'>
<input type='radio' name='type-selector' id='rb-1' value='Vendas_Ano' checked />
<label for='rb-1'>Vendas_Ano</label>
<input type='radio' name='type-selector' id='rb-2' value='Vendas_Ant' />
<label for='rb-2'>Vendas_Ant</label>
</form>
</div>
<div id="myChart"></div>
</div>
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