# WORLDUCS System Variable [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [W](Help%20System/GSTARCAD/2021/System%20Variables/W/(W).md) **Function Description:** The WORLDUCS system variable is used to specify whether the UCS coincident with the WCS. (Read-Only) | | | | --- | --- | | Type | Integer | | Saved in | Not saved | | Initial value | 1 | | Range | 0,1 | **System Variable Value:** **0:**the UCS is different from WCS **1:** the UCS is the same as WCS --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/W/WORLDUCS%20System%20Variable--dea1fb7f4e5e.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/W/WORLDUCS%20System%20Variable--dea1fb7f4e5e.md) · [GstarCAD 2018](../../../2018/System%20Variables/W/WORLDUCS%20System%20Variable--dea1fb7f4e5e.md) · [GstarCAD 2019](../../../2019/System%20Variables/W/WORLDUCS%20System%20Variable--dea1fb7f4e5e.md) · [GstarCAD 2020](../../../2020/System%20Variables/W/WORLDUCS%20System%20Variable--dea1fb7f4e5e.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/W/WORLDUCS%20System%20Variable--dea1fb7f4e5e.md)