| usage | description |
|---|---|
| sel set mouse [on|off|tog] | enables mouse selection |
| sel set level [pdb|chain|res|node] | sets level in object hierarchy at which mouse selection occurs |
| sel set add [on|off|tog] | enables 'add-to / remove-from' selection mode |
| sel set rotCen <x y z | objName | 'selCenter'> | sets a center point around which to rotate the current selection |