errorIfNotLoaded();
    public byte[] getPlane(Integer arg0, Integer arg1, Integer arg2)    {        MappedByteBuffer plane;        try        {            plane = buffer.getPlane(arg0, arg1, arg2);        } catch (IOException e)        {            e.printStackTrace();            throw new RuntimeException("Unimplemented exception.");        } catch (DimensionsOutOfBoundsException e)        {            e.printStackTrace();            throw new RuntimeException("Unimplemented exception.");        }        return bufferAsByteArrayWithExceptionIfNull( plane );    }