# HPGAPTOL System Variable [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2022/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 can 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.