✨ Add a precision parameter for voxels in egsphant generator
The current implementation does not allow the user to change the precision of voxel positions in the egsphant header
- (e.g: -29.12 -29.02 ... ; vs -29.1213 -29.01982)
Current MR keeps the default behavior in place but permits customization.
Edited by Ronan Lefol