slice_ccf_arr.RdSlice a 3D CCF array to get a 2D matrix
slice_ccf_arr(arr, slice_num, plane = "coronal")
| arr | The 3D CCF array to slice | 
|---|---|
| slice_num | numeric, which slice to select. | 
| plane | character, which plane to use. Can be "coronal", "saggital", or "horizontal". | 
A matrix of values from the selected slice.