I am using echarts
for visualizing some data in my web-application. I am using basic gauge chart for the visualization. If you notice the image below, there is too much padding in the chart. I would like to remove those padding and ideally have the chart occupy 100% of the space within the container?
Here is the javascript code:
// Setup chart gauge_basic_options = {
// Add title
//title: {
// text: 'Server resources usage',
// subtext: 'Random demo data',
// x: 'center'
//},
// Add tooltip
tooltip: {
formatter: "{a} <br/>{b}: {c}%"
},
// Add series
series: [
{
name: 'Total Invoices',
type: 'gauge',
center: ['50%', '55%'],
detail: {formatter:'{value}%'},
data: [
{value: 50, name: 'Total Invoices'}
]
}
]
};
Any idea how to do it?
In the gauge you also can control the padding with chart radius . By default radius is 75% and for fill space completely you need to set new value, example:
option = { series: [{ name: 'Total Invoices', type: 'gauge', radius: '100%', // this center: ['50%', '50%'], detail: {formatter:'{value}%'}, data: [ {value: 50, name: 'Total Invoices'} ] }] }; var myChart = echarts.init(document.getElementById('main')); myChart.setOption(option);
<script src="https://cdn.jsdelivr.net/npm/echarts@4.7.0/dist/echarts.min.js"></script> <div id="main" style="width:300px; height:300px;"></div>
The padding is automatically adjusting based on the size of the div.
Eg: Below div will use the whole page and renders the gauge with plenty of whitespaces
<div id="main" style="width: 100vw;height:100vh;"></div>
And below one would be a compact one
<div id="main" style="width: 100vw;height:100vh;"></div>
Check this fiddle - http://jsfiddle.net/athishayd/x5Lc3mr6/1/
I would like to remove those padding and ideally have the chart occupy 100% of the space - This would hamper the gauge's aesthetics.
I was struggling with the bar chart for the same issue. Added below in options. This solved it.
grid: {
x: 0,
y: 0,
x2: 0,
y2: 0
}
You can specify the spacing of the grid
from each edge with a value, in pixels, or percentage:
var option = {
grid: {
left: '10%',
right: '10%',
top: 0,
bottom: 0
}
}
However, I would warn against using 0
for top
or bottom
when you have hidden the x-axis. Part of the chart line can get clipped and will look a different thickness if it runs along the base of the axis.
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