Flatten multiple CCC graphs into aggregate one
flattening_CCC_graph
The following node parameters will be kept:
name
spot_x, spot_y
in_tissue
array_row, array_col
sizeFactor
The following node parameters will be aggregated over all LR pairs:
n, n.src, n.dst, LRscore.sum.src, and LRscore.sum.dst will be summed.
node_is_src and node_is_dst will be OR'd
n.inflow and LRscore.sum.inflow will be summed.