NCBI C++ Toolkit Cross Reference

  C++/src/algo/blast/format/vecscreen_run.cpp


/* * =========================================================================== * * PUBLIC DOMAIN NOTICE * National Center for Biotechnology Information * * This software/database is a "United States Government Work" under the * terms of the United States Copyright Act. It was written as part of * the author's offical duties as a United States Government employee and * thus cannot be copyrighted. This software/database is freely available * to the public for use. The National Library of Medicine and the U.S. * Government have not placed any restriction on its use or reproduction. * * Although all reasonable efforts have been taken to ensure the accuracy * and reliability of the software and data, the NLM and the U.S. * Government do not and cannot warrant the performance or results that * may be obtained by using this software or data. The NLM and the U.S. * Government disclaim all warranties, express or implied, including * warranties of performance, merchantability or fitness for any particular * purpose. * * Please cite the author in any work or product based on this material. * * ===========================================================================*/ /***************************************************************************** Author: Tom Madden ******************************************************************************/ /** @file vecscreen_run.cpp * Run vecscreen, produce output */ #include <ncbi_pch.hpp> #include <algo/blast/format/blast_format.hpp> #include <objects/seq/Seq_annot.hpp> #include <algo/blast/api/sseqloc.hpp> #include <algo/blast/api/objmgr_query_data.hpp> #include <algo/blast/api/local_blast.hpp> #include <objmgr/util/seq_loc_util.hpp> #include <algo/blast/format/vecscreen_run.hpp> #ifndef SKIP_DOXYGEN_PROCESSING USING_NCBI_SCOPE; USING_SCOPE(blast); USING_SCOPE(objects); USING_SCOPE(sequence); #endif // static const string kGifLegend[] = {"Strong", "Moderate", "Weak", "Suspect"}; CVecscreenRun::CVecscreenRun(CRef<CSeq_loc> seq_loc, CRef<CScope> scope, const string & db) : m_SeqLoc(seq_loc), m_Scope(scope), m_DB(db), m_Vecscreen(0) { m_Queries.Reset(new CBlastQueryVector()); CRef<CBlastSearchQuery> q(new CBlastSearchQuery(*seq_loc, *scope)); m_Queries->push_back(q); x_RunBlast(); } void CVecscreenRun::x_RunBlast() { //_ASSERT(m_Queries.NotEmpty()); //_ASSERT(m_Queries->Size() != 0); // Load blast queries CRef<IQueryFactory> query_factory(new CObjMgr_QueryFactory(*m_Queries)); // BLAST optiosn needed for vecscreen. CRef<CBlastOptionsHandle> opts(CBlastOptionsFactory::CreateTask("vecscreen")); // Sets Vecscreen database. const CSearchDatabase target_db(m_DB, CSearchDatabase::eBlastDbIsNucleotide); // Constructor for blast run. CLocalBlast blaster(query_factory, opts, target_db); // BLAST run. m_RawBlastResults = blaster.Run(); _ASSERT(m_RawBlastResults->size() == 1); CRef<CBlastAncillaryData> ancillary_data((*m_RawBlastResults)[0].GetAncillaryData()); // The vecscreen stuff follows. m_Vecscreen = new CVecscreen(*((*m_RawBlastResults)[0].GetSeqAlign()), GetLength(*m_SeqLoc, m_Scope)); // This actually does the vecscreen work. m_Seqalign_set = m_Vecscreen->ProcessSeqAlign(); CConstRef<CSeq_id> id(m_SeqLoc->GetId()); CRef<CSearchResults> results(new CSearchResults(id, m_Seqalign_set, TQueryMessages(), ancillary_data)); m_RawBlastResults->clear(); m_RawBlastResults->push_back(results); } CRef<blast::CSearchResultSet> CVecscreenRun::GetSearchResultSet() const { return m_RawBlastResults; } struct SVecscreenMatchFinder : public unary_function<bool, CVecscreenRun::SVecscreenSummary> { SVecscreenMatchFinder(const string& match_type) : m_MatchType(match_type) {} bool operator()(const CVecscreenRun::SVecscreenSummary& rhs) { return (rhs.match_type == m_MatchType); } private: string m_MatchType; }; void CVecscreenRun::CFormatter::FormatResults(CNcbiOstream& out, CRef<CBlastOptionsHandle> vs_opts) { const bool kPrintAlignments = static_cast<bool>(m_Outfmt == eShowAlignments); const CFormattingArgs::EOutputFormat fmt(CFormattingArgs::ePairwise); const bool kBelieveQuery(false); const bool kShowGi(false); const CSearchDatabase dbinfo(m_Screener.m_DB, CSearchDatabase::eBlastDbIsNucleotide); CLocalDbAdapter dbadapter(dbinfo); const int kNumDescriptions(0); const int kNumAlignments(50); // FIXME: find this out const bool kIsTabular(false); CBlastFormat blast_formatter(vs_opts->GetOptions(), dbadapter, fmt, kBelieveQuery, out, kNumDescriptions, kNumAlignments, m_Scope, BLAST_DEFAULT_MATRIX, kShowGi, m_HtmlOutput); blast_formatter.PrintProlog(); list<SVecscreenSummary> match_list = m_Screener.GetList(); // Acknowledge the query if the alignments section won't be printed (this // does the acknowledgement) if (kPrintAlignments == false) { CBioseq_Handle bhandle = m_Scope.GetBioseqHandle(*m_Screener.m_SeqLoc->GetId(), CScope::eGetBioseq_All); if( !bhandle ){ string message = "Failed to resolve SeqId: "+m_Screener.m_SeqLoc->GetId()->AsFastaString(); ERR_POST(message); NCBI_THROW(CException, eUnknown, message); } CConstRef<CBioseq> bioseq = bhandle.GetBioseqCore(); CBlastFormatUtil::AcknowledgeBlastQuery(*bioseq, CBlastFormat::kFormatLineLength, out, kBelieveQuery, m_HtmlOutput, kIsTabular); } if (m_HtmlOutput) { m_Screener.m_Vecscreen->VecscreenPrint(out); if (match_list.empty() && !kPrintAlignments) { out << "<b>***** No hits found *****</b><br>\n"; } } else { if (match_list.empty() && !kPrintAlignments) { out << "No hits found\n"; } else { typedef pair<string, string> TLabels; vector<TLabels> match_labels; match_labels.push_back(TLabels("Strong", "Strong match")); match_labels.push_back(TLabels("Moderate", "Moderate match")); match_labels.push_back(TLabels("Weak", "Weak match")); match_labels.push_back(TLabels("Suspect", "Suspect origin")); ITERATE(vector<TLabels>, label, match_labels) { list<SVecscreenSummary>::iterator boundary, itr; boundary = stable_partition(match_list.begin(), match_list.end(), SVecscreenMatchFinder(label->first)); if (boundary != match_list.begin()) { out << label->second << "\n"; for (itr = match_list.begin(); itr != boundary; ++itr) { out << itr->range.GetFrom()+1 << "\t" << itr->range.GetTo()+1 << "\n"; } match_list.erase(match_list.begin(), boundary); } } } } if (kPrintAlignments) { CRef<CSearchResultSet> result_set = m_Screener.GetSearchResultSet(); _ASSERT(result_set->size() == 1); blast_formatter.PrintOneResultSet((*result_set)[0], m_Screener.m_Queries); blast_formatter.PrintEpilog(vs_opts->GetOptions()); } } list<CVecscreenRun::SVecscreenSummary> CVecscreenRun::GetList() const { _ASSERT(m_Vecscreen != NULL); list<CVecscreenRun::SVecscreenSummary> retval; const list<CVecscreen::AlnInfo*>* aln_info_ptr = m_Vecscreen->GetAlnInfoList(); list<CVecscreen::AlnInfo> aln_info; ITERATE(list<CVecscreen::AlnInfo*>, ai, *aln_info_ptr) { if ((*ai)->type == CVecscreen::eNoMatch) continue; CVecscreen::AlnInfo align_info((*ai)->range, (*ai)->type); aln_info.push_back(align_info); } aln_info.sort(); ITERATE(list<CVecscreen::AlnInfo>, ai, aln_info) { SVecscreenSummary summary; summary.seqid = m_SeqLoc->GetId(); summary.range = ai->range; summary.match_type = CVecscreen::GetStrengthString(ai->type); retval.push_back(summary); } return retval; } CRef<objects::CSeq_align_set> CVecscreenRun::GetSeqalignSet() const { return m_Seqalign_set; }

source navigation ]   [ diff markup ]   [ identifier search ]   [ freetext search ]   [ file search ]  

This page was automatically generated by the LXR engine.
Visit the LXR main site for more information.