private void setDiscontinuityWithSurfaceRange(Range1D lastContinuityBeforeRange, Range1D airRange_, bool wantStart)
{
if (sections.Count < 1)
{
return;
}
SimpleRange surfRange = new SimpleRange(lastContinuityBeforeRange.start, lastContinuityBeforeRange.range);
SimpleRange airRange = new SimpleRange(airRange_.start, airRange_.range);
ZCurtainUnit zcu;
if (wantStart)
{
zcu = sections[0];
}
else
{
zcu = sections[sections.Count - 1];
}
// whether
zcu.startIsOpen = SimpleRange.SimpleRangeCoversRange(surfRange, airRange);
}
