Method pointToData

src/coord/CoordinateSystem.ts:179–179

* Some coord sys (like Parallel) might do not have `pointToData`, * or the meaning of this kind of features is not clear yet. * @param point point Point in global pixel coordinate system. * @param out Fill it if passing, and return. For performance optimization. * @return data

(
        point: number[],
        opt?: unknown,
        out?: number | number[]
    )

     *  Return timestamp in time axis.
     */
    pointToData?(
        point: number[],
        opt?: unknown,
        out?: number | number[]