public Region<E> rankMin(Region<E> reg) {
CubeHistogram<E> ch;
try {
ch = new CubeHistogram<E>((PixelCube<E, BaseIndex>) reg);
int ndim = reg.getNDimensions();
final int[] center = new int[ndim];
RankMin<E> dil = new RankMin<E>((StructureElement<E>) se);
dil.initFunction(ch);
reg.setIterationPattern(IP_DEFAULT);
reg.setIndexing(BASE_INDEXING);
reg.setElementFnct(dil);
// setLimboDilation(reg, ch);
setLimboErosion(reg, ch);
Region<E> out = new Region<E>((PixelCube<E, ?>) reg.clone(), (StructureElement<E>) se);
out.setIterationPattern(IP_DEFAULT);
out.setIndexing(BASE_INDEXING);
if (useIter) {
ArrayIterator<E> iter = (ArrayIterator<E>) reg.iterator();
ArrayIterator<E> iterout = (ArrayIterator<E>) out.iterator();
while (iter.hasNext() && iterout.hasNext()) {
final int idx = iter.index();
// System.out.print(idx+" ");
final E elem = reg.elementTransform(idx, center);
iter.inc();
if (elem.intValue() == 0) iterout.putInt(0);
else iterout.inc();
}
} else {
Access<E> accessOut = out.getAccess();
final int n = accessOut.size()[0];
for (int i = 0; i < n; i++) {
final E elem = reg.elementTransform(i, center); // we return a masking element
if (elem.intValue() == 0) {
// System.out.print(elem.intValue()+"+");
accessOut.putInt(i, 0);
}
}
}
return out;
} catch (UnsupportedTypeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
