PLearn 0.1
FillFeatureSetCommand.cc
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00001 // -*- C++ -*-
00002 
00003 // FillFeatureSetCommand.cc
00004 //
00005 // Copyright (C) 2006 Hugo Larochelle
00006 //
00007 // Redistribution and use in source and binary forms, with or without
00008 // modification, are permitted provided that the following conditions are met:
00009 //
00010 //  1. Redistributions of source code must retain the above copyright
00011 //     notice, this list of conditions and the following disclaimer.
00012 //
00013 //  2. Redistributions in binary form must reproduce the above copyright
00014 //     notice, this list of conditions and the following disclaimer in the
00015 //     documentation and/or other materials provided with the distribution.
00016 //
00017 //  3. The name of the authors may not be used to endorse or promote
00018 //     products derived from this software without specific prior written
00019 //     permission.
00020 //
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 //
00032 // This file is part of the PLearn library. For more information on the PLearn
00033 // library, go to the PLearn Web site at www.plearn.org
00034 
00035 // Authors: Hugo Larochelle
00036 
00040 #include "FillFeatureSetCommand.h"
00041 #include <plearn/feat/FeatureSet.h>
00042 #include <plearn/vmat/VMatrix.h>
00043 #include <plearn/vmat/SubVMatrix.h>
00044 #include <plearn/db/getDataSet.h>
00045 #include <plearn/io/load_and_save.h>
00046 
00047 namespace PLearn {
00048 using namespace std;
00049 
00051 PLearnCommandRegistry FillFeatureSetCommand::reg_(new FillFeatureSetCommand);
00052 
00053 FillFeatureSetCommand::FillFeatureSetCommand()
00054     : PLearnCommand(
00055         "fill-feat-set",
00056         "PLearn command that fills a FeatureSet with the features instantiated in a VMat",
00057         "Usage: fill-feat-set <dataset> <feat_set> <filled_feat_set> [min_freq] [col]\n"
00058         "       Will fill the FeatureSet instantiated from <feat_set> \n"
00059         "       from the input tokens found in the <dataset> VMat.\n"
00060         "       The filled FeatureSet will be saved in file <filled_feat_set>.\n"
00061         "       A minimum frequency can be specified for the features to be\n"
00062         "       included in the FeatureSet. The FeatureSet can be filled by\n"
00063         "       the features of the tokens found in a particular column of\n"
00064         "       <dataset>. If not specified, then the tokens found in all the\n"
00065         "       input columns are used.\n"
00066         )
00067 {}
00068 
00070 void FillFeatureSetCommand::run(const vector<string>& args)
00071 {
00072     if(args.size() != 3 && args.size() != 4 && args.size() != 5)
00073     {
00074         cerr << helpmsg << endl;
00075         return;
00076     }
00077     string vmat_file = args[0];
00078     string feat_file = args[1];
00079     string filled_feat_file = args[2];
00080     int min_freq = -1;
00081     int col = -1;
00082     if(args.size() >= 4)
00083         min_freq = toint(args[3]);
00084     if(args.size() >=5)
00085         col = toint(args[4]);
00086     VMat vmat = getDataSet(vmat_file);
00087     VMat get_input_vmat;
00088     if(col < 0)
00089         get_input_vmat = 
00090             new SubVMatrix(vmat,0,0,vmat->length(),
00091                            vmat->inputsize());
00092     else
00093         get_input_vmat = 
00094             new SubVMatrix(vmat,0,col,vmat->length(),
00095                            1);
00096         
00097     PP<FeatureSet> feat;
00098     load(feat_file,feat);
00099     feat->addFeatures(get_input_vmat,min_freq);
00100     save(filled_feat_file,feat);
00101 }
00102 
00103 } // end of namespace PLearn
00104 
00105 
00106 /*
00107   Local Variables:
00108   mode:c++
00109   c-basic-offset:4
00110   c-file-style:"stroustrup"
00111   c-file-offsets:((innamespace . 0)(inline-open . 0))
00112   indent-tabs-mode:nil
00113   fill-column:79
00114   End:
00115 */
00116 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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