Impala Documentation

void Impala::Core::Trec::TrecSVM::WriteResultsPixel ( int con ) [inline]

Definition at line 62 of file TrecSVM.h.

References mDataFile, mFeatList, and mFirstTime.

00063     {
00064         FILE *fp;
00065         std::string wMode = (mFirstTime) ? "w" : "a";
00066         mFirstTime = false;
00067         if ((fp = fopen(mDataFile.c_str(), wMode.c_str())) == 0)
00068         {       
00069             std::cout << "TrecSVM::WriteResults : Unable to write to " 
00070                       << mDataFile << std::endl;
00071             return;
00072         }
00073 
00074         int maxSamples = 250;
00075         int width = mFeatList[0]->CW();
00076         int height = mFeatList[0]->CH();
00077         int skip = width * height / maxSamples;
00078         int s = skip;
00079         for (int y=0 ; y<height ; y++)
00080         {
00081             for (int x=0 ; x<width ; x++)
00082             {
00083                 if (--s <= 0)
00084                 {
00085                     fprintf(fp, "%d", con);
00086                     for (int f=0 ; f<mFeatList.size() ; f++)
00087                     {
00088                         Real64 val = *(mFeatList[f]->CPB(x, y));
00089                         fprintf(fp, " %d:%f", f+1, val);
00090                     }
00091                     fprintf(fp, "\n");
00092                     s = skip;
00093                 }
00094             }
00095         }
00096         fclose(fp);
00097     }