bool GoRegion::Has2IPs(const SgVector<SgPoint>& interiorEmpty,
SgMiaiPair* ips) const
{
SgVector<SgPoint> jointLibs;
JointLibs(&jointLibs);
if (jointLibs.MinLength(2))
{
// check if libs are intersection pts
int nuIPs = 0;
SgPoint ip1 = SG_NULLPOINT;
for (SgVectorIterator<SgPoint> it(jointLibs); it; ++it)
{
if (AdjacentToAll(*it, interiorEmpty) && IsSplitPt(*it, Points()))
{
++nuIPs;
if (ip1 == SG_NULLPOINT)
ip1 = *it;
else
{
ips->first = ip1;
ips->second = *it;
return true;
}
}
}
}
return false;
}
bool GoRegion::Has2IntersectionPoints(const SgVector<SgPoint>& usedLibs) const
{
SgVector<SgPoint> jointLibs;
JointLibs(&jointLibs);
if (jointLibs.MinLength(2))
{
// check if libs are intersection pts
int nuIPs = 0;
// doesn't have to adjacent to all interior points! 2005/08
for (SgVectorIterator<SgPoint> it(jointLibs); it; ++it)
{
if (IsSplitPt(*it, Points()) && ! usedLibs.Contains(*it))
{
if (++nuIPs >= 2)
return true;
}
}
}
return false;
}