#-------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
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#-------------------------------------------------------------

F1 = federated(type="frame", addresses=list($in_AU, $in_AL, $in_BU, $in_BL), ranges=
  list(list(0,0), list($rows / 2, $cols / 2), # AUpper range
    list($rows / 2, 0), list($rows, $cols / 2), # ALower range
    list(0, $cols / 2), list($rows / 2, $cols), # BUpper range
    list($rows / 2, $cols / 2), list($rows, $cols))); # BLower range
jspec = read($spec_file, data_type="scalar", value_type="string");

[X, M] = transformencode(target=F1, spec=jspec);

A = aggregate(target=X[,1], groups=X[,2], fn="count");
Ag = cbind(A, seq(1,nrow(A)));

F2 = transformdecode(target=Ag, spec=jspec, meta=M);

write(F2, $out, format=$format);