Center Positioning
This sample show how to place the axis in the center of the chart area, instead of at the edges.
const config = {
type: 'scatter',
data: data,
options: {
responsive: true,
plugins: {
title: {
display: true,
text: 'Axis Center Positioning'
}
},
scales: {
x: {
min: -100,
max: 100,
},
y: {
min: -100,
max: 100,
}
}
},
};
const DATA_COUNT = 6;
const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
const data = {
datasets: [
{
label: 'Dataset 1',
data: Utils.points(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.red,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
},
{
label: 'Dataset 2',
data: Utils.points(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.blue,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
}
]
};
const actions = [
{
name: 'Default Positions',
handler(chart) {
chart.options.scales.x.position = 'bottom';
chart.options.scales.y.position = 'left';
chart.update();
}
},
{
name: 'Position: center',
handler(chart) {
chart.options.scales.x.position = 'center';
chart.options.scales.y.position = 'center';
chart.update();
}
},
{
name: 'Position: Vertical: x=-60, Horizontal: y=30',
handler(chart) {
chart.options.scales.x.position = {y: 30};
chart.options.scales.y.position = {x: -60};
chart.update();
}
},
];
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