Open a .hic or .cool file for reading
Arguments
- path
path to the file to be opened (Cooler URI syntax is supported).
- resolution
matrix resolution. Required when file is in .hic format.
- matrix_type
type of the matrix to be opened. Should be one of "observed", "oe" or "expected".
- matrix_unit
unit of the matrix to be opened. Should be one of "BP", "FRAG".