cdm/src/main/java/ucar/ma2/ArrayObject.java
protected Array createView( Index index) {
    return ArrayObject.factory( dataType, elementType, isVlen, index, storage);
  }
protected Array createView( Index index) {
    return ArrayObject.factory( dataType, elementType, isVlen, index, storage);
  }
create new Array with given indexImpl and the same backing store