Impala Documentation

void Impala::Core::Table::SimilarityTableSet::ComputeRanksTopN	(	int	topN,
		bool	descending
	)			`[inline]`

Definition at line 330 of file SimilarityTableSet.h.

References Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn1(), ILOG_ERROR, mQuids, mRanks, mSims, NrTables(), Impala::Core::Table::Table::Size(), Impala::Core::Column::SortAscendingTopN(), and Impala::Core::Column::SortDescendingTopN().

Referenced by Impala::Core::Trec::ThreadVisualSimilarity::GetNearestFrameQuid(), Impala::Visualization::FeatureTableSetRank::HandleNewFile(), and Impala::Core::Trec::ThreadVisualSimilarity::SetOrigin().

00331     {
00332         if (mQuids->Size() < topN)
00333         {
00334             ILOG_ERROR("ComputeRanksTopN: not enough quids for top " << topN);
00335             return;
00336         }
00337         if (mRanks[0]->Capacity() != topN)
00338         {
00339             for (int i=0 ; i<NrTables() ; i++)
00340             {
00341                 mRanks[i]->Reserve(topN, false);
00342                 mRanks[i]->SetSize(topN); // will be filled below
00343             }
00344         }
00345         Column::ColumnTem<Real64>* tmp = new Column::ColumnTem<Real64>(topN);
00346         for (int i=0 ; i<NrTables() ; i++)
00347         {
00348             if (descending)
00349                 Column::SortDescendingTopN(mQuids->GetColumn1(),
00350                                            mSims[i]->GetColumn1(),
00351                                            mRanks[i]->GetColumn1(), tmp);
00352             else
00353                 Column::SortAscendingTopN(mQuids->GetColumn1(),
00354                                           mSims[i]->GetColumn1(),
00355                                           mRanks[i]->GetColumn1(), tmp);
00356         }
00357         delete tmp;
00358     }

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