GAMGI Interfaces: Plane Modify

# Plane Modify

- Type
- Scope
- Projection
- View

Change here the properties of a crystallographic or atomic plane (or list of planes, previously selected with Plane->Select, when Global is pressed). Parameters for empty entries or Local choices remain unchanged.

To change the plane name write the new name in the Plane entry, followed by the plane number (GAMGI only needs the number to identify the plane).

### Reference

GAMGI can handle crystallographic planes, related with a cell containing the relevant crystallographic information, and atomic planes, defined by three non-colinear atoms.

To create crystallographic planes, set Reference to Cell. GAMGI automatically shows a Cell entry, h, k, l entries to indicate the plane indices, plus a Vectors menu, to select the cell vectors to use, Conventional or Primitive. For the sake of simplicity, GAMGI does not accept 4-indice notation for planes or directions in hexagonal cells.

Pressing the mouse over a cell in the current layer, the cell identification is automatically written in the Cell entry. When a valid cell is found and its Type is Projection, the default Polygon page is automatically replaced by a Projection page.

When Reference is set to Atoms, GAMGI automatically shows three Atom entries. Pressing the mouse sucessively over three non-colinear atoms in the current layer, the three entries become occupied and the plane defined. After pressing Ok, an error is shown if the atoms are disposed linearly.
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