# R [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) ## Topics - **RASTERDPI System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RASTERDPI%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RASTERDPI.md) - **RASTERPERCENT System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RASTERPERCENT%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RASTERPERCENT.md) - **RASTERPREVIEW System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RASTERPREVIEW%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RASTERPREVIEW.md) - **RASTERTHRESHOLD System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RASTERTHRESHOLD%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RASTERTHRESHOLD.md) - [RE-INIT System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/RE-INIT%20System%20Variable.md) - **REBUILD2DCV System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REBUILD2DCV%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REBUILD2DCV.md) - **REBUILD2DDEGREE System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REBUILD2DDEGREE%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REBUILD2DDEGREE.md) - **REBUILD2DOPTION System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REBUILD2DOPTION%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REBUILD2DOPTION.md) - **RECOVERAUTO System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RECOVERAUTO%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RECOVERAUTO.md) - **RECOVERYMODE System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RECOVERYMODE%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RECOVERYMODE.md) - **REFEDITNAME System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REFEDITNAME%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REFEDITNAME.md) - [REFPATHTYPE System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/REFPATHTYPE%20System%20Variable.md) - **REGENMODE System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REGENMODE%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REGENMODE.md) - **REMEMBERFOLDERS System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REMEMBERFOLDERS%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REMEMBERFOLDERS.md) - **REPORTERROR System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/REPORTERROR%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/REPORTERROR.md) - [REVCLOUDAPPROXARCLEN System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/REVCLOUDAPPROXARCLEN%20System%20Variable.md) - [REVCLOUDARCVARIANCE System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/REVCLOUDARCVARIANCE%20System%20Variable.md) - [REVCLOUDGRIPS System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/REVCLOUDGRIPS%20System%20Variable.md) - **RIBBONCONTEXTSELLIM System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RIBBONCONTEXTSELLIM%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RIBBONCONTEXTSELLIM.md) - **RIBBONDOCKEDHEIGHT System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RIBBONDOCKEDHEIGHT.md) - **RIBBONSELECTMODE System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RIBBONSELECTMODE%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RIBBONSELECTMODE.md) - **ROAMABLEROOTPREFIX System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/ROAMABLEROOTPREFIX%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/ROAMABLEROOTPREFIX.md) - [ROLLOVEROPACITY System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/ROLLOVEROPACITY%20System%20Variable.md) - [ROLLOVERTIPS System Variable](Help%20System/GSTARCAD/2026/System%20Variables/R/ROLLOVERTIPS%20System%20Variable.md) - **RTDISPLAY System Variable** — [Alphabetical reference](Help%20System/GSTARCAD/2026/System%20Variables/R/RTDISPLAY%20System%20Variable.md) · [General reference](Help%20System/GSTARCAD/2026/System%20Variables/RTDISPLAY.md) [Original category](https://www.gstarcad.net/help/GstarCAD_2026_en-US/menu/systemVariables_Rgsv.html)