Zoom Event

• Event Name: zoom
• Access Type: StdEvents['zoom']
• Details:

type event = {
    // ...
    detail: {
        x: number;
        y: number;
        factor: number;
    }
}

• x/y: The coordinates of the zoom origin.
• factor: The zoom factor, smaller than 1 zooms out, larger than 1 zooms in.