# HPGAPTOL System Variable [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2021/System%20Variables/H/(H).md) ## Function Description: The HPGAPTOL system variable is used to treat a set of objects or a closed region as a closed hatch boundary. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 0.0000 | | Range | 0 \~ 5000 | The HPGAPTOL system variable could specify a region without a gap. The default value is 0\. Entering a value by drawing unit to set the maximum gap that can be ignored when selecting objects to be hatch boundaries. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/H/HPGAPTOL%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/H/HPGAPTOL%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/H/HPGAPTOL%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/H/HPGAPTOL%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/H/HPGAPTOL%20System%20Variable.md)