Is there a way to plot graphs directly from a Data Table without the need for external graph libraries like plotly or highcharts? Ideally, I am looking for a solution similar to ag-grid where the functionality comes built-in without requiring manual code writing.
My suggestion, as mentioned in the comment below, is to explore the Canvas (mdn) for more information.
For a basic example that supports panning (mouse 1) and zooming (mouse 2), along with callbacks for clicks and mouse movements, refer to the code snippet provided below.
class Chart {
constructor(canvas, hoverCallback, clickCallback) {
this.width = canvas.width;
this.height = canvas.height;
this.ctx = canvas.getContext('2d');
this.pointSets = [];
// Additional functionalities included here
}
// More methods and functionalities follow...
}
let canvas = document.querySelector('canvas');
let chart = new Chart(canvas);
chart.pointSets = [
// Sample data for demonstration
{
color: 'rgb(255,0,0)',
fill: false,
size: 3,
points: [
{x: 0, y: 1},
{x: 1, y: 1},
{x: 1, y: 0},
{x: 0, y: 0},
{x: 0, y: .5},
],
isPath: true,
}, {
color: 'rgb(0,0,255)',
fill: true,
size: 10,
points: [
{x: 0, y: 1},
{x: 0, y: .5},
{x: 3, y: 1},
{x: 6, y: 2},
{x: 7, y: 4},
{x: 6, y: 5},
],
isPath: false,
},
];
chart.resetRange();canvas {
border: 1px solid;
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