ordinalLeaf.changeScale(ordinalScale);
rootN.addChild(ordinalLeaf);
Leaf numericLeaf = new Leaf();
numericLeaf.setName("Filesize (in Relation to Original)");
numericLeaf.changeScale(new PositiveFloatScale());
numericLeaf.getScale().setUnit("MB");
rootN.addChild(numericLeaf);
Leaf singleLeaf = new Leaf();
singleLeaf.setName("A Single-Leaf");
singleLeaf.changeScale(new PositiveFloatScale());
singleLeaf.getScale().setUnit("tbd");
singleLeaf.setSingle(true);
rootN.addChild(singleLeaf);
Leaf restrictedLeaf = new Leaf();