3D Orbit
Ribbon: View – Navigate > 
Orbit
Menu: View – Orbit > 3D Orbit
Toolbar: View –
Command Line: 3DORBIT
hold down the mouse wheel + SHIFT
Rotate view in 3D when camera moves on horizontal and vertical orbits.
Cursor will be changed to: 
The target of the view stays stationary while the camera location, or point of view, moves by mouse movements.
If you are moving cursor horizontally – camera is moving in XY plane of the WCS. If you are moving cursor vertically – camera is moving along Z-axis.
You can set orbit options in Mouse settings – 3D Orbit settings – Orbit center in Options dialog box
Parameters:
| _.Visible objects | Center of the objects you’re viewing is the center of orbit. Thus if you see the part of circle, center of this circle is orbit center. |
|---|---|
| Visible parts of objects | Center of the objects parts you’re viewing is the center of orbit. Thus if you see the part of circle, center of this part is orbit center. |
If the box SHIFT + mouse wheel to rotate 3D orbit is checked, the command can be initiated at any moment by using this combination.
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