# Group Modify

- Type
- Scope
- Tolerance
- View

Change here the autonomy and neighbour atoms for a polytope group (or list of groups, previously selected with Group->Select, when Global is pressed). Parameters for empty entries or Local choices remain unchanged.

### Autonomy

When Autonomy is None, rotating, moving, scaling the polytope group corresponds to rotating, moving, scaling the parent object. For each polyhedron, the parent is the object that owns the central atom.

When Autonomy is Partial, the polytope group can be rotated, moved, scaled, independently of its parent. Atoms in the scope region are linked to the group object (TODO).

When Autonomy is All, the polytope group can be rotated, moved, scaled, independently of its parent. Atoms in the scope region are copied to the group object.

### Neighbours

Set here the neighbour atoms that should be considered around each central atom. The sampling universe is always the object currently selected. When the central atom does not belong to the current object, an error is shown.

Element defines the atomic element of the neighbours that should be considered. When Element is empty (the default), all atomic elements will be considered.

Users can set the number of closest neighbours that should be considered using Number, or the radius of the sphere around the central atom that should be sampled, using Radius. When these are empty (the default), all atoms in the sampling universe will be considered.
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