Translate nodes. The node positions are translated by v, and the optional range is applied
to nodes. If the set keyword is not given, then the current set is used.
- 
set s 
 
Specify the geometry set.
- 
tolerance ft 
 
The <tolerance ft> option provides tolerance for merging nodes. Default tolerance is 1.0e-8 multiplied by biggest extent size of all nodes positions in the set.