# HPISLANDDETECTION System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) **Function Description:** The HPISLANDDETECTION system variable is used to control how to treat the island in the boundary of the new hatch pattern. | | | | --- | --- | | Type | Integer | | Saved in | Not saved | | Initial value | 1 | | Range | 0,1,2 | **System Variable Value:** **0:** Normal. Hatches islands within islands. 1: Outer. Hatches only areas outside of islands. 2: Ignore. Hatches everything within the boundaries. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/HPISLANDDETECTION.html) · © Gstarsoft Co., Ltd.