我在chartjs V2 - https://jsfiddle.net/17mw40rx/
生成的条形图和折线图中有多个集合显然,右手y轴未正确缩放或显示正确的标签。
理想情况下,我正在尝试显示图形,使左轴的最大值缩放到最高条的最大值。我希望右手y轴然后缩放到折线图值。
我是这样的:http://plnkr.co/edit/TvY5tz?p=info
有人可以提供帮助。
代码:
var entranceDataset = {
label: 'IN',
type: 'bar',
yAxesID : "y-axis-1",
data: [3, 11, 10, 6, 9, 28, 45, 40, 26, 3],
backgroundColor: 'rgba(0, 204, 0, 0.2)',
borderColor: 'rgba(0, 204, 0,1)',
borderWidth: 1
};
var dataset = [];
dataset.push(entranceDataset);
var exitDataset = {
label: 'OUT',
type: 'bar',
yAxesID : "y-axis-1",
data: [2, 0, 3, 7, 11, 13, 8, 44, 35, 3, 46, 1],
backgroundColor: 'rgba(54, 162, 235, 0.2)',
borderColor: 'rgba(54, 162, 235, 1)',
borderWidth: 1
};
dataset.push(exitDataset);
var lineDataset = {
type: 'line',
label: 'Total',
yAxesID : "y-axis-2",
backgroundColor: "rgba(255,255,255,0.5)",
data: [0, 30, 62, 100, 100, 100, 114, 77, 57, 54, 10, 10],
borderColor: 'rgba(255, 93, 0, 0.6)',
borderWidth: 2
}
dataset.push(lineDataset);
var ctx = $('#throughput-canvas');
mainThroughputChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ["13:30", "13:40", "13:50", "14:00", "14:10", "14:20", "14:30", "14:40", "14:50", "15:00", "15:10", "15:20"],
datasets: dataset
},
options: {
scales: {
yAxes: [{
id:"y-axis-1",
position:'left',
type: 'linear',
ticks: {
beginAtZero:true
},
scaleLabel: {
display: true,
labelString: 'Throughput'
}
},
{
id:"y-axis-2",
position:'right',
type: 'linear',
/*ticks: {
beginAtZero:true
},*/
scaleLabel: {
display: true,
labelString: 'Attendance'
}
}],
xAxes : [{
gridLines : {
display : false
},
scaleLabel: {
display: true,
labelString: 'Time'
}
}]
},
}
});