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00012 #ifndef __GUIFEATURES__H
00013 #define __GUIFEATURES__H
00014
00015 #include <shogun/lib/config.h>
00016 #include <shogun/base/SGObject.h>
00017 #include <shogun/features/Labels.h>
00018 #include <shogun/features/Features.h>
00019 #include <shogun/features/RealFileFeatures.h>
00020 #include <shogun/features/TOPFeatures.h>
00021 #include <shogun/features/FKFeatures.h>
00022 #include <shogun/features/StringFeatures.h>
00023 #include <shogun/features/SimpleFeatures.h>
00024 #include <shogun/features/SparseFeatures.h>
00025 #include <shogun/features/CombinedFeatures.h>
00026 #include <shogun/features/CombinedDotFeatures.h>
00027 #include <shogun/features/WDFeatures.h>
00028 #include <shogun/features/ExplicitSpecFeatures.h>
00029 #include <shogun/features/ImplicitWeightedSpecFeatures.h>
00030
00031 namespace shogun
00032 {
00033 class CSGInterface;
00034
00036 class CGUIFeatures : public CSGObject
00037 {
00039 enum EFeatureType
00040 {
00041 Simple,
00042 Sparse
00043 };
00044
00045 public:
00047 CGUIFeatures() {};
00051 CGUIFeatures(CSGInterface* interface);
00053 ~CGUIFeatures();
00054
00056 inline CFeatures *get_train_features() { return train_features; }
00058 inline CFeatures *get_test_features() { return test_features; }
00059
00063 inline bool set_train_features(CFeatures* f)
00064 {
00065
00066 SG_UNREF(train_features);
00067 SG_REF(f);
00068 train_features=f;
00069 return true;
00070 }
00071
00075 inline bool set_test_features(CFeatures* f)
00076 {
00077
00078 SG_UNREF(test_features);
00079 SG_REF(f);
00080 test_features=f;
00081 return true;
00082 }
00083
00087 void add_train_features(CFeatures* f);
00091 void add_test_features(CFeatures* f);
00095 void add_train_dotfeatures(CDotFeatures* f);
00099 void add_test_dotfeatures(CDotFeatures* f);
00100
00102 bool del_last_feature_obj(char* target);
00103
00105 void invalidate_train();
00107 void invalidate_test();
00108
00110 bool load(
00111 char* filename, char* fclass, char* type, char* target,
00112 int32_t size, int32_t comp_features);
00114 bool save(char* filename, char* type, char* target);
00116 bool clean(char* target);
00118 bool reshape(char* target, int32_t num_feat, int32_t num_vec);
00119
00121 CFeatures* get_convert_features(char* target);
00123 bool set_convert_features(CFeatures* features, char* target);
00124
00128 CSparseFeatures<float64_t>* convert_simple_real_to_sparse_real(
00129 CSimpleFeatures<float64_t>* src);
00133 CStringFeatures<char>* convert_simple_char_to_string_char(
00134 CSimpleFeatures<char>* src);
00139 CSimpleFeatures<float64_t>* convert_simple_char_to_simple_align(
00140 CSimpleFeatures<char>* src,
00141 float64_t gap_cost=0);
00145 CSimpleFeatures<float64_t>* convert_simple_word_to_simple_salzberg(
00146 CSimpleFeatures<uint16_t>* src);
00147
00151 CTOPFeatures* convert_string_word_to_simple_top(
00152 CStringFeatures<uint16_t>* src);
00156 CFKFeatures* convert_string_word_to_simple_fk(
00157 CStringFeatures<uint16_t>* src);
00161 CSimpleFeatures<float64_t>* convert_sparse_real_to_simple_real(
00162 CSparseFeatures<float64_t>* src);
00167 CExplicitSpecFeatures* convert_string_byte_to_spec_word(
00168 CStringFeatures<uint16_t>* src, bool use_norm);
00169
00178 template <class CT, class ST>
00179 CStringFeatures<ST>* convert_string_char_to_string_generic(
00180 CStringFeatures<CT>* src,
00181 int32_t order=1, int32_t start=0, int32_t gap=0, char rev='f', CAlphabet* alpha=NULL)
00182 {
00183 if (src && src->get_feature_class()==C_STRING)
00184 {
00185
00186 SG_INFO("Converting CT STRING features to ST STRING ones (order=%i).\n",order);
00187 bool free_alpha=false;
00188
00189 if (!alpha)
00190 {
00191 CAlphabet* a = src->get_alphabet();
00192
00193 if ( a && a->get_alphabet() == DNA )
00194 alpha=new CAlphabet(RAWDNA);
00195 else
00196 alpha=new CAlphabet(a);
00197
00198 free_alpha=true;
00199 SG_UNREF(a);
00200 }
00201
00202 CStringFeatures<ST>* sf=new CStringFeatures<ST>(alpha);
00203 if (sf && sf->obtain_from_char_features(src, start, order, gap, rev=='r'))
00204 {
00205 SG_INFO("Conversion was successful.\n");
00206 return sf;
00207 }
00208
00209 if (free_alpha)
00210 SG_UNREF(alpha);
00211 SG_UNREF(sf);
00212 }
00213 else
00214 SG_ERROR("No features of class/type STRING/CT available.\n");
00215
00216 return NULL;
00217 }
00218
00219
00221 bool set_reference_features(char* target);
00222
00224 inline virtual const char* get_name() const { return "GUIFeatures"; }
00225
00226 protected:
00228 CSGInterface* ui;
00230 CFeatures *train_features;
00232 CFeatures *test_features;
00234 CFeatures *ref_features;
00235 };
00236 }
00237 #endif