@Before
public void createSourceData() {
dimensions = new long[] {48, 17, 102};
numValues = 1;
for (int d = 0; d < dimensions.length; ++d) numValues *= dimensions[d];
intData = new int[numValues];
intDataSum = 0;
final Random random = new Random(0);
for (int i = 0; i < numValues; ++i) {
intData[i] = random.nextInt();
intDataSum += intData[i];
}
intImg = new ListImgFactory<IntType>().create(dimensions, new IntType());
final long[] pos = new long[dimensions.length];
final RandomAccess<IntType> a = intImg.randomAccess();
for (int i = 0; i < numValues; ++i) {
IntervalIndexer.indexToPosition(i, dimensions, pos);
a.setPosition(pos);
a.get().set(intData[i]);
}
}
int[] getImgAsInts(final Img<IntType> img) {
final RandomAccess<IntType> a = img.randomAccess();
final int N = (int) img.size();
final int[] data = new int[N];
final long[] dim = new long[img.numDimensions()];
final long[] pos = new long[img.numDimensions()];
img.dimensions(dim);
for (int i = 0; i < N; ++i) {
IntervalIndexer.indexToPosition(i, dim, pos);
a.setPosition(pos);
data[i] = a.get().get();
}
return data;
}
public void indexToGlobalPosition(final int index, final long[] position) {
IntervalIndexer.indexToPosition(index, dimensions, position);
for (int d = 0; d < position.length; ++d) position[d] += min[d];
}
public long indexToGlobalPosition(final int index, final int d) {
return IntervalIndexer.indexToPosition(index, dimensions, steps, d) + min[d];
}
@Override
public void localize(final int[] position) {
IntervalIndexer.indexToPosition(type.getIndex(), container.dim, position);
}
@Override
public int getIntPosition(final int dim) {
return IntervalIndexer.indexToPosition(type.getIndex(), container.dim, dim);
}
@Override
public void jumpFwd(final long i) {
index += i;
IntervalIndexer.indexToPosition(index, dimensions, position);
}