comparison_cellDivision.Rd
Split a reference scan into a grid of cells
an x3p object containing a breech face scan
a vector of two numbers representing the number of cells along the row and column dimensions into which the x3p is partitioned
A tibble containing a prod(numCells) number of rows. Each row contains a single cell's index of the form (row #, col #) and an x3p object containing the breech face scan of that cell.