Function createBackgroundGrid2D

createBackgroundGrid2D(__namedParameters: {
    dims?: [number, number];
    eps?: number;
    indices: Serie<IArray>;
    positions: Serie<IArray>;
}): BackgroundGrid2D
Put all cells from a 2D unstructured mesh (not the points) into a background-brid

See
BackgroundGrid2D
Parameters
- __namedParameters: {
      dims?: [number, number];
      eps?: number;
      indices: Serie<IArray>;
      positions: Serie<IArray>;
  }
  - Optional dims?: [number, number]
  - Optional eps?: number
  - indices: Serie<IArray>
  - positions: Serie<IArray>
Returns BackgroundGrid2D