private void calculateNewNiche() {
setCurrentNiche(getCurrentNiche() + 1);
VBPSO sub = mainSwarm.getClone();
sub.getTopology().clear();
yhead.setNicheID(getCurrentNiche());
yhead.setNeighbourhoodBest(yhead.getClone());
sub.getTopology().add(yhead);
for (VBParticle p : mainSwarm.getTopology()) {
if ((p.getDotProduct() > 0 && p.getRadius() < nicheRadius)
|| (p.getBestPosition().equals(yhead.getBestPosition()))) {
p.setNicheID(getCurrentNiche());
p.setNeighbourhoodBest(yhead.getClone());
sub.getTopology().add(p);
}
}
for (VBParticle p : sub.getTopology()) {
mainSwarm.getTopology().remove(p);
}
VBParticle tmp = yhead.getClone();
while (sub.getTopology().size() < 3) {
tmp.reinitialise();
tmp.setNeighbourhoodBest(yhead.getClone());
tmp.setPersonalBest(tmp.getPosition().getClone());
sub.getTopology().add(tmp);
}
subPopulationsAlgorithms.add(sub);
}
