void
SimpleSweepLineIntersector::computeIntersections(SegmentIntersector *si)
{
nOverlaps=0;
prepareEvents();
for(unsigned int i=0; i<events.size(); ++i)
{
SweepLineEvent *ev=events[i];
if (ev->isInsert())
{
processOverlaps(i,ev->getDeleteEventIndex(),ev,si);
}
}
}
void
SimpleMCSweepLineIntersector::computeIntersections(SegmentIntersector *si)
{
nOverlaps=0;
prepareEvents();
for(size_t i=0; i<events.size(); ++i)
{
GEOS_CHECK_FOR_INTERRUPTS();
SweepLineEvent *ev=events[i];
if (ev->isInsert())
{
processOverlaps(i, ev->getDeleteEventIndex(), ev, si);
}
if (si->getIsDone())
{
break;
}
}
}
void
SweepLineIndex::computeOverlaps(SweepLineOverlapAction *action)
{
nOverlaps = 0;
buildIndex();
const std::vector<SweepLineEvent*>::size_type n=events.size();
for(std::vector<SweepLineEvent*>::size_type i=0; i<n; i++)
{
SweepLineEvent *ev=events[i];
if (ev->isInsert())
{
processOverlaps(static_cast<int>(i),
ev->getDeleteEventIndex(),
ev->getInterval(), action);
}
}
}