# GTDEFAULT System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [G](Help%20System/GSTARCAD/2027/System%20Variables/G/(G).md) ## Function Description: The GTDEFAULT system variable is used to control whether to start 3d move, 3d rotate, and 3d rotate automatically when starting MOVE, ROTATE and SCALE commands in a viewport with 3D visual style. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 1 | | Range | 0,1 | ## System Variable Value: **0:** do not start 3d move, 3d rotate, and 3d rotate automatically when starting MOVE, ROTATE and SCALE commands in a viewport with 3D visual style. **1:** start 3d move, 3d rotate, and 3d rotate automatically when starting MOVE, ROTATE and SCALE commands in a viewport with 3D visual style. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Ggsv/GTDEFAULT.html) · © Gstarsoft Co., Ltd.