# PERSPECTIVE System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) **Function Description:** The PERSPECTIVE system variable is used to determine whether the current viewport displays a perspective view. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | Unknown | | Range | 0,1 | The perspective view is available in model space in 3D visual styles. **System Variable Value:** **0:** close perspective view **1:** open perspective view --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables/PERSPECTIVE.html) · © Gstarsoft Co., Ltd.