nw win_name [ geometry ]
nw makes a new window called win_name. The optional geometry parameter specifies the number of sub-windows and their arrangement. For example, the command nw hsqc 3x2 will give a new window called hsqc having a grid of windows that is three rows by two columns.
+---------+---------+
| hsqc |
+---------+---------+
| | |
| | |
| | |
+---------+---------+
| | |
| | |
| | |
+---------+---------+
| | |
| | |
| | |
+---------+---------+
/hhmi/nv3/hhmi/nw.tcl