# RASTERDPI System Variable
[GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [R](Help%20System/GSTARCAD/2017/System%20Variables/R/(R).md)
**Function Description:**
The RASTERDPI system variable is used to control the paper size and plot scale when changing from dimensional to dimensionless output devices, or vice versa.
| | |
| --- | --- |
| Type | Integer |
| Saved in | Registry |
| Initial value | 300 |
| Range | 100 \~ 32767 |
It could apply on changing from millimeters or inches to pixels, or vice versa.
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## Other versions with matching text
[GstarCAD 2016](../../../2016/System%20Variables/R/RASTERDPI%20System%20Variable--9f6e416e9f3a.md) · [GstarCAD 2018](../../../2018/System%20Variables/R/RASTERDPI%20System%20Variable--9f6e416e9f3a.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/R/RASTERDPI%20System%20Variable--9f6e416e9f3a.md) · [GstarCAD 2020](../../../2020/System%20Variables/R/RASTERDPI%20System%20Variable--9f6e416e9f3a.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/R/RASTERDPI%20System%20Variable--9f6e416e9f3a.md)