Missing NPTH Clearance (Missing)

Reports NPTHs that do not touch any solder mask clearances.

Internal ERF Name	<Area>:npth_miss
Measurement Shape Measurement ID	Circle Pad
Layers Displayed	Solder mask layer Matching external copper layer
Graphic
Function	Reports NPTHs that do not touch any solder mask clearances. At such locations, the NPTH is covered by solder mask. Measurements are circles representing NPTHs.
ERF Parameters
ERF Variables	v_report_only_one_side_sm
Limitations	If an NPTH touches a solder mask clearance even at a single point, it is reported as zero annular ring rather than as a missing NPTH clearance.