# RASTERPERCENT System Variable [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [R](Help%20System/GSTARCAD/2022/System%20Variables/R/(R).md) **Function Description:** The RASTERPERCENT system variable is used to set the maximum available virtual memory for plotting a raster image. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 20 | ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/R/RASTERPERCENT%20System%20Variable--781f7b4a18d5.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/R/RASTERPERCENT%20System%20Variable--781f7b4a18d5.md) · [GstarCAD 2018](../../../2018/System%20Variables/R/RASTERPERCENT%20System%20Variable--781f7b4a18d5.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/R/RASTERPERCENT%20System%20Variable--781f7b4a18d5.md) · [GstarCAD 2020](../../../2020/System%20Variables/R/RASTERPERCENT%20System%20Variable--781f7b4a18d5.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/R/RASTERPERCENT%20System%20Variable--781f7b4a18d5.md)