# REVCLOUDARCVARIANCE System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [R](Help%20System/GSTARCAD/2027/System%20Variables/R/(R).md) ## Function Description: The REVCLOUDARCVARIANCE system variable is used to control whether revcloud arcs are created with varying or generally uniform chord lengths. | | | | --- | --- | | Type | Switch | | Saved in | Registry | | Initial value | 1 | | Range | 0,1 | ## System Variable Value: **0:** Arcs are created with generally uniform chord lengths **1:** Arcs are created with varying chord lengths resulting in a more hand-drawn appearance --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Rgsv/REVCLOUDARCVARIANCE.html) · © Gstarsoft Co., Ltd.