GAMGI Interfaces: Orbital Create

# Orbital Create

- Type
- Scope
- Volume
- Position
- View

Set here how the volume representation of an orbital.

### Phase

When Phase is switched on (the default), the orbital is represented with two colors, to distinguish places where the wave function is positive and negative. When Phase is switched off, the whole orbital is represented with just one color.

### Frame

When Frame is switched on (the default), a cubic frame is shown around the orbital, with a edge length equal to twice the sampling Radius defined in the Scope page. When Frame is switched off, no frame is shown.

### Octants

Often it is useful to show only parts of the orbital. In GAMGI each orbital is divided in 8 octants, four above the xy plane, marked as positive, and four below, marked as negative. The four octants, above and below, are numbered increasing in a counter-clockwise pattern, as usual in trigonometry. To set which orbital octants should be represented, switch on / off each of the eight octant buttons. By default all octants are shown.

### Axes

When Axes is set to Radius, axes are shown with the radius length (when Frame is disabled) or the diameter length (when Frame is enabled). When Axes is set to Bohr, axes are shown with the length of Bohr first radius. When Axes is set to Unit, axes are shown with a unit length. When Axes is set to None, no axes are shown (the default).

When Frame is enabled (the default), axes are positioned along the frame edges, starting from the xyz lower corner. When Frame is disabled, axes start from the orbital center.

The options Bohr and Unit are useful only for small orbitals, otherwise the axes are barely visible.
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