# RASTERPERCENT 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 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 | --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Rgsv/RASTERPERCENT.html) · © Gstarsoft Co., Ltd.