00001 00002 // -*- C++ -*- 00003 00004 // Grapher.h 00005 // 00006 // Copyright (C) 2003 Pascal Vincent 00007 // 00008 // Redistribution and use in source and binary forms, with or without 00009 // modification, are permitted provided that the following conditions are met: 00010 // 00011 // 1. Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // 00014 // 2. Redistributions in binary form must reproduce the above copyright 00015 // notice, this list of conditions and the following disclaimer in the 00016 // documentation and/or other materials provided with the distribution. 00017 // 00018 // 3. The name of the authors may not be used to endorse or promote 00019 // products derived from this software without specific prior written 00020 // permission. 00021 // 00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00033 // This file is part of the PLearn library. For more information on the PLearn 00034 // library, go to the PLearn Web site at www.plearn.org 00035 00036 /* ******************************************************* 00037 * $Id: Grapher.h,v 1.5 2004/07/21 16:30:57 chrish42 Exp $ 00038 ******************************************************* */ 00039 00041 #ifndef GenerateDecisionPlot_INC 00042 #define GenerateDecisionPlot_INC 00043 00044 #include <plearn/base/Object.h> 00045 #include <plearn_learners/generic/PLearner.h> 00046 00047 namespace PLearn { 00048 using namespace std; 00049 00050 class Grapher: public Object 00051 { 00052 protected: 00053 // ********************* 00054 // * protected options * 00055 // ********************* 00056 00057 // ### declare protected option fields (such as learnt parameters) here 00058 // ... 00059 00060 public: 00061 00062 typedef Object inherited; 00063 00064 // ************************ 00065 // * public build options * 00066 // ************************ 00067 00068 string basename; 00069 string task; 00070 real class1_threshold; 00071 PP<PLearner> learner; 00072 VMat trainset; 00073 TVec<int> griddim; 00074 TVec< pair<real,real> > gridrange; 00075 real radius; 00076 bool bw; 00077 00078 string save_learner_as; 00079 00080 // **************** 00081 // * Constructors * 00082 // **************** 00083 00084 // Default constructor, make sure the implementation in the .cc 00085 // initializes all fields to reasonable default values. 00086 Grapher(); 00087 00088 00089 // ****************** 00090 // * Object methods * 00091 // ****************** 00092 00093 private: 00095 void build_(); 00096 00097 void computeAutoGridrange(); 00098 00099 protected: 00101 // (Please implement in .cc) 00102 static void declareOptions(OptionList& ol); 00103 00104 public: 00106 virtual void run(); 00107 00108 // simply calls inherited::build() then build_() 00109 virtual void build(); 00110 00112 virtual void makeDeepCopyFromShallowCopy(map<const void*, void*>& copies); 00113 00115 PLEARN_DECLARE_OBJECT(Grapher); 00116 00117 static void plot_2D_classification(string epsfname, VMat trainset, 00118 TVec<int> griddim, TVec< pair<real,real> > gridrange, 00119 VMat gridoutputs, real radius, bool bw=false); 00120 00121 static void plot_1D_regression(string basename, VMat trainset, 00122 TVec<int> griddim, TVec< pair<real,real> > gridrange, 00123 VMat gridoutputs, VMat trainoutputs, bool bw=false); 00124 }; 00125 00126 // Declares a few other classes and functions related to this class 00127 DECLARE_OBJECT_PTR(Grapher); 00128 00129 } // end of namespace PLearn 00130 00131 #endif