Method getCell

src/coord/matrix/MatrixDim.ts:425–428

* Get dimension cell by data, including leaves and non-leaves.

(value: MatrixCoordValueOption)

     * Get dimension cell by data, including leaves and non-leaves.
     */
    getCell(value: MatrixCoordValueOption): MatrixDimensionCell | NullUndefined {
        const ordinal = this._scale.parse(value);
        return eqNaN(ordinal) ? undefined : this._cells[ordinal];
    }

    /**
     * Get leaf count or get level count.