Version 5.0 --- Under Construction! Not yet accurate
Takes data (qc and auxc) from a coarse patch that perfectly surrounds a fine grid, and extracts the coarse data around the perimeter of the fine grid. These are stored in 1-dimensional arrays qc1d and auxc1d.
The perimeter of the fine grid is traversed in the following order:
. 2 . __________ . | | . 1 | | 3 . |__________| . 4
save first interior cell of enlarged grid corresponding to fine grid bordering cell. note that since fine grid is smaller, the cell is one in. coarse (temporary) grid has no ghost cells