HPGAPTOL system variable
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.