This constructs a meta cell cover object and puts it into scdb. It gets an MC assignment (cell->MC_ID), and a matrix, and call standard api of this class to compute the footprints.
mcell_new_mc2d(mc2d_id, mc_id, mc_x, mc_y, sc_x, sc_y, graph)new id of 2d object to add
id of scdb meta cell object we link to
x coordinates of metacells
y coordinates of metacells
x coordinates of cells
y coordinates of cells
graph data frame (fields mc1,mc2 specifying edges between mc's)