]> git.donarmstrong.com Git - mothur.git/blobdiff - maligner.cpp
created mothurOut class to handle logfiles
[mothur.git] / maligner.cpp
index de6004d7e387d0e241dfbc205695d359dbcf6dda..76689e9f11bf1ab3547ef9a33053830a7b436d14 100644 (file)
@@ -8,12 +8,12 @@
  */
 
 #include "maligner.h"
-#include "database.hpp"
+#include "kmerdb.hpp"
 #include "blastdb.hpp"
 
 /***********************************************************************/
-Maligner::Maligner(vector<Sequence*> temp, int num, int match, int misMatch, float div, int ms, int minCov, string mode) :
-               db(temp), numWanted(num), matchScore(match), misMatchPenalty(misMatch), minDivR(div), minSimilarity(ms), minCoverage(minCov), searchMethod(mode) {}
+Maligner::Maligner(vector<Sequence*> temp, int num, int match, int misMatch, float div, int ms, int minCov, string mode, Database* dataLeft, Database* dataRight) :
+               db(temp), numWanted(num), matchScore(match), misMatchPenalty(misMatch), minDivR(div), minSimilarity(ms), minCoverage(minCov), searchMethod(mode), databaseLeft(dataLeft), databaseRight(dataRight) { m = MothurOut::getInstance(); }
 /***********************************************************************/
 string Maligner::getResults(Sequence* q, DeCalculator* decalc) {
        try {
@@ -25,35 +25,17 @@ string Maligner::getResults(Sequence* q, DeCalculator* decalc) {
                
                string chimera;
                
-               if (searchMethod != "blast") {
+               if (searchMethod == "distance") {
                        //find closest seqs to query in template - returns copies of seqs so trim does not destroy - remember to deallocate
-                       refSeqs = decalc->findClosest(query, db, numWanted);
-               }else{
-                       refSeqs = getBlastSeqs(query, numWanted);
-               }
+                       refSeqs = decalc->findClosest(query, db, numWanted, indexes);
+               }else if (searchMethod == "blast")  {
+                       refSeqs = getBlastSeqs(query, numWanted); //fills indexes
+               }else if (searchMethod == "kmer") {
+                       refSeqs = getKmerSeqs(query, numWanted); //fills indexes
+               }else { m->mothurOut("not valid search."); exit(1);  } //should never get here
                
-//ofstream out;
-//string name = toString(numi+1); 
-//cout << name << endl;
-//name = name.substr(name.find_first_of("|")+1);
-//cout << name << endl;
-//name = name.substr(name.find_first_of("|")+1);
-//cout << name << endl;
-//name = name.substr(0, name.find_last_of("|"));
-//cout << name << endl;
-//string filename = name + ".seqsformaligner";
-//openOutputFile(filename, out);       
-//for (int u = 0; u < refSeqs.size(); u++) {  refSeqs[u]->printSequence(out);  }
-//out.close();
-//filename = name + ".fasta";
-//openOutputFile(filename, out);       
-//query->printSequence(out);
-//out.close();
-
-//for (int i = 0; i < refSeqs.size(); i++)  { cout << refSeqs[i]->getName() << endl;  }        
-//cout << "before = " << refSeqs.size() << endl;
                refSeqs = minCoverageFilter(refSeqs);
-//cout << "after = " << refSeqs.size() << endl;                
+
                if (refSeqs.size() < 2)  { 
                        for (int i = 0; i < refSeqs.size(); i++) {  delete refSeqs[i];  }
                        percentIdenticalQueryChimera = 0.0;
@@ -61,19 +43,20 @@ string Maligner::getResults(Sequence* q, DeCalculator* decalc) {
                }
                
                int chimeraPenalty = computeChimeraPenalty();
-//cout << chimeraPenalty << endl;              
+
                //fills outputResults
                chimera = chimeraMaligner(chimeraPenalty, decalc);
-               
+       
                                
                //free memory
                delete query;
+
                for (int i = 0; i < refSeqs.size(); i++) {  delete refSeqs[i];  }
                
                return chimera;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "getResults");
+               m->errorOut(e, "Maligner", "getResults");
                exit(1);
        }
 }
@@ -85,31 +68,31 @@ string Maligner::chimeraMaligner(int chimeraPenalty, DeCalculator* decalc) {
                
                //trims seqs to first non gap char in all seqs and last non gap char in all seqs
                spotMap = decalc->trimSeqs(query, refSeqs);
-               
+
                vector<Sequence*> temp = refSeqs;
                temp.push_back(query);
                
                verticalFilter(temp);
+//for (int i = 0; i < temp.size(); i++) { cout << temp[i]->getName() << '\n' << temp[i]->getAligned() << endl; } return "no";
 
                vector< vector<score_struct> > matrix = buildScoreMatrix(query->getAligned().length(), refSeqs.size()); //builds and initializes
                
                fillScoreMatrix(matrix, refSeqs, chimeraPenalty);
-               
+       
                vector<score_struct> path = extractHighestPath(matrix);
                
                vector<trace_struct> trace = mapTraceRegionsToAlignment(path, refSeqs);
-               
+       
                if (trace.size() > 1) {         chimera = "yes";        }
                else { chimera = "no";  }
                
                int traceStart = path[0].col;
-               int traceEnd = path[path.size()-1].col;
-               
+               int traceEnd = path[path.size()-1].col; 
                string queryInRange = query->getAligned();
                queryInRange = queryInRange.substr(traceStart, (traceEnd-traceStart+1));
        
                string chimeraSeq = constructChimericSeq(trace, refSeqs);
-               
+       
                percentIdenticalQueryChimera = computePercentID(queryInRange, chimeraSeq);
                
                //save output results
@@ -121,6 +104,7 @@ string Maligner::chimeraMaligner(int chimeraPenalty, DeCalculator* decalc) {
                        results temp;
                        
                        temp.parent = refSeqs[seqIndex]->getName();
+                       temp.parentAligned = db[indexes[seqIndex]]->getAligned();
                        temp.nastRegionStart = spotMap[regionStart];
                        temp.nastRegionEnd = spotMap[regionEnd];
                        temp.regionStart = regionStart;
@@ -146,7 +130,7 @@ string Maligner::chimeraMaligner(int chimeraPenalty, DeCalculator* decalc) {
                return chimera;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "chimeraMaligner");
+               m->errorOut(e, "Maligner", "chimeraMaligner");
                exit(1);
        }
 }
@@ -188,7 +172,7 @@ vector<Sequence*> Maligner::minCoverageFilter(vector<Sequence*> ref){
                return newRefs;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "minCoverageFilter");
+               m->errorOut(e, "Maligner", "minCoverageFilter");
                exit(1);
        }
 }
@@ -205,7 +189,7 @@ int Maligner::computeChimeraPenalty() {
 
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "computeChimeraPenalty");
+               m->errorOut(e, "Maligner", "computeChimeraPenalty");
                exit(1);
        }
 }
@@ -257,7 +241,7 @@ void Maligner::verticalFilter(vector<Sequence*> seqs) {
                spotMap = newMap;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "verticalFilter");
+               m->errorOut(e, "Maligner", "verticalFilter");
                exit(1);
        }
 }
@@ -284,12 +268,12 @@ vector< vector<score_struct> > Maligner::buildScoreMatrix(int cols, int rows) {
                return m;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "buildScoreMatrix");
+               m->errorOut(e, "Maligner", "buildScoreMatrix");
                exit(1);
        }
 }
 //***************************************************************************************************************
-void Maligner::fillScoreMatrix(vector<vector<score_struct> >& m, vector<Sequence*> seqs, int penalty) {
+void Maligner::fillScoreMatrix(vector<vector<score_struct> >& ms, vector<Sequence*> seqs, int penalty) {
        try{
                
                //get matrix dimensions
@@ -303,11 +287,11 @@ void Maligner::fillScoreMatrix(vector<vector<score_struct> >& m, vector<Sequence
                        
                        //are you both gaps?
                        if ((!isalpha(queryAligned[0])) && (!isalpha(subjectAligned[0]))) {
-                               m[i][0].score = 0;
+                               ms[i][0].score = 0;
                        }else if (queryAligned[0] == subjectAligned[0]) {
-                               m[i][0].score = matchScore;
+                               ms[i][0].score = matchScore;
                        }else{
-                               m[i][0].score = 0;
+                               ms[i][0].score = 0;
                        }
                }
                
@@ -333,15 +317,15 @@ void Maligner::fillScoreMatrix(vector<vector<score_struct> >& m, vector<Sequence
                                //compute score based on previous columns scores
                                for (int prevIndex = 0; prevIndex < numRows; prevIndex++) { //iterate through rows
                                        
-                                       int sumScore = matchMisMatchScore + m[prevIndex][j-1].score;
+                                       int sumScore = matchMisMatchScore + ms[prevIndex][j-1].score;
                                        
                                        //you are not at yourself
                                        if (prevIndex != i) {   sumScore += penalty;    }
                                        if (sumScore < 0)       {       sumScore = 0;                   }
                                        
-                                       if (sumScore > m[i][j].score) {
-                                               m[i][j].score = sumScore;
-                                               m[i][j].prev = prevIndex;
+                                       if (sumScore > ms[i][j].score) {
+                                               ms[i][j].score = sumScore;
+                                               ms[i][j].prev = prevIndex;
                                        }
                                }
                        }
@@ -349,17 +333,17 @@ void Maligner::fillScoreMatrix(vector<vector<score_struct> >& m, vector<Sequence
                
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "fillScoreMatrix");
+               m->errorOut(e, "Maligner", "fillScoreMatrix");
                exit(1);
        }
 }
 //***************************************************************************************************************
-vector<score_struct> Maligner::extractHighestPath(vector<vector<score_struct> > m) {
+vector<score_struct> Maligner::extractHighestPath(vector<vector<score_struct> > ms) {
        try {
        
                //get matrix dimensions
                int numCols = query->getAligned().length();
-               int numRows = m.size();
+               int numRows = ms.size();
        
        
                //find highest score scoring matrix
@@ -368,9 +352,9 @@ vector<score_struct> Maligner::extractHighestPath(vector<vector<score_struct> >
                
                for (int i = 0; i < numRows; i++) {
                        for (int j = 0; j < numCols; j++) {
-                               if (m[i][j].score > highestScore) {
-                                       highestScore = m[i][j].score;
-                                       highestStruct = m[i][j];
+                               if (ms[i][j].score > highestScore) {
+                                       highestScore = ms[i][j].score;
+                                       highestStruct = ms[i][j];
                                }
                        }
                }
@@ -382,7 +366,7 @@ vector<score_struct> Maligner::extractHighestPath(vector<vector<score_struct> >
                int score = highestStruct.score;
                
                while (pos >= 0 && score > 0) {
-                       score_struct temp = m[rowIndex][pos];
+                       score_struct temp = ms[rowIndex][pos];
                        score = temp.score;
                        
                        if (score > 0) {        path.push_back(temp);   }
@@ -397,7 +381,7 @@ vector<score_struct> Maligner::extractHighestPath(vector<vector<score_struct> >
                
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "extractHighestPath");
+               m->errorOut(e, "Maligner", "extractHighestPath");
                exit(1);
        }
 }
@@ -440,7 +424,7 @@ vector<trace_struct> Maligner::mapTraceRegionsToAlignment(vector<score_struct> p
                
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "mapTraceRegionsToAlignment");
+               m->errorOut(e, "Maligner", "mapTraceRegionsToAlignment");
                exit(1);
        }
 }
@@ -458,7 +442,7 @@ string Maligner::constructChimericSeq(vector<trace_struct> trace, vector<Sequenc
                return chimera;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "constructChimericSeq");
+               m->errorOut(e, "Maligner", "constructChimericSeq");
                exit(1);
        }
 }
@@ -467,9 +451,9 @@ float Maligner::computePercentID(string queryAlign, string chimera) {
        try {
        
                if (queryAlign.length() != chimera.length()) {
-                       mothurOut("Error, alignment strings are of different lengths: "); mothurOutEndLine();
-                       mothurOut(toString(queryAlign.length())); mothurOutEndLine(); mothurOutEndLine(); mothurOutEndLine(); mothurOutEndLine();
-                       mothurOut(toString(chimera.length())); mothurOutEndLine();
+                       m->mothurOut("Error, alignment strings are of different lengths: "); m->mothurOutEndLine();
+                       m->mothurOut(toString(queryAlign.length())); m->mothurOutEndLine(); m->mothurOutEndLine(); m->mothurOutEndLine(); m->mothurOutEndLine();
+                       m->mothurOut(toString(chimera.length())); m->mothurOutEndLine();
                        return -1.0;
                }
 
@@ -494,14 +478,15 @@ float Maligner::computePercentID(string queryAlign, string chimera) {
                
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "computePercentID");
+               m->errorOut(e, "Maligner", "computePercentID");
                exit(1);
        }
 }
 //***************************************************************************************************************
 vector<Sequence*> Maligner::getBlastSeqs(Sequence* q, int num) {
-       try {
-cout << q->getName() << endl;  
+       try {   
+               indexes.clear();
+               vector<Sequence*> refResults;
                //generate blastdb
                Database* database = new BlastDB(-2.0, -1.0, matchScore, misMatchPenalty);
                for (int i = 0; i < db.size(); i++) {   database->addSequence(*db[i]);  }
@@ -509,68 +494,131 @@ cout << q->getName() << endl;
                database->setNumSeqs(db.size());
                
                //get parts of query
-               string queryAligned = q->getAligned();
-               string leftQuery = queryAligned.substr(0, (queryAligned.length() / 3)); //first 1/3 of the sequence
-               string rightQuery = queryAligned.substr(((queryAligned.length() / 3)*2)); //last 1/3 of the sequence
-               
+               string queryUnAligned = q->getUnaligned();
+               string leftQuery = queryUnAligned.substr(0, int(queryUnAligned.length() * 0.33)); //first 1/3 of the sequence
+               string rightQuery = queryUnAligned.substr(int(queryUnAligned.length() * 0.66)); //last 1/3 of the sequence
+
                Sequence* queryLeft = new Sequence(q->getName(), leftQuery);
                Sequence* queryRight = new Sequence(q->getName(), rightQuery);
                
-               map<int, float> tempIndexesRight = database->findClosest(queryRight, num);
-               map<int, float> tempIndexesLeft = database->findClosest(queryLeft, num);
+               vector<int> tempIndexesRight = database->findClosestMegaBlast(queryRight, num+1);
+               vector<int> tempIndexesLeft = database->findClosestMegaBlast(queryLeft, num+1);
                
-               //merge results
-               vector<rank> mergedResults;
+               //if ((tempIndexesRight.size() != (num+1)) || (tempIndexesLeft.size() != (num+1)))  {  m->mothurOut("megablast returned " + toString(tempIndexesRight.size()) + " results for the right end, and " + toString(tempIndexesLeft.size()) + " for the left end. Needed " + toString(num+1) + ". Unable to porcess sequence " + q->getName()); m->mothurOutEndLine(); return refResults; }
                
-               map<int, float>::iterator it;
-               map<int, float>::iterator it2;
+               vector<int> smaller;
+               vector<int> larger;
                
-               //add in right guys merging common finds
-               for (it = tempIndexesRight.begin(); it != tempIndexesRight.end(); it++) {
-                       it2 = tempIndexesLeft.find(it->first);
-                       
-                       if (it2 == tempIndexesLeft.end()) {  //result only present in right
-                               rank temp(it->first, it->second);
-                               mergedResults.push_back(temp); 
+               if (tempIndexesRight.size() < tempIndexesLeft.size()) { smaller = tempIndexesRight;  larger = tempIndexesLeft; }
+               else { smaller = tempIndexesLeft; larger = tempIndexesRight; } 
+               
+               //merge results         
+               map<int, int> seen;
+               map<int, int>::iterator it;
+               
+               vector<int> mergedResults;
+               for (int i = 0; i < smaller.size(); i++) {
+                       //add left if you havent already
+                       it = seen.find(smaller[i]);
+                       if (it == seen.end()) {  
+                               mergedResults.push_back(smaller[i]);
+                               seen[smaller[i]] = smaller[i];
+                       }
 
-                       }else { //result present in both save best score
-                               float bestscore;
-                               if (it->second > it2->second)   {  bestscore = it->second;  }
-                               else                                                    {  bestscore = it2->second; }
-                               
-                               rank temp(it->first, bestscore);
-                               mergedResults.push_back(temp);
-                               
-                               tempIndexesLeft.erase(it2);
+                       //add right if you havent already
+                       it = seen.find(larger[i]);
+                       if (it == seen.end()) {  
+                               mergedResults.push_back(larger[i]);
+                               seen[larger[i]] = larger[i];
+                       }
+               }
+               
+               for (int i = smaller.size(); i < larger.size(); i++) {
+                       it = seen.find(larger[i]);
+                       if (it == seen.end()) {  
+                               mergedResults.push_back(larger[i]);
+                               seen[larger[i]] = larger[i];
                        }
                }
                
-               //add in unique left guys
-               for (it = tempIndexesLeft.begin(); it != tempIndexesLeft.end(); it++) {
-                       rank temp(it->first, it->second);
-                       mergedResults.push_back(temp); 
+               if (mergedResults.size() < numWanted) { numWanted = mergedResults.size(); }
+//cout << q->getName() <<  endl;               
+               for (int i = 0; i < numWanted; i++) {
+//cout << db[mergedResults[i]]->getName() << endl;     
+                       if (db[mergedResults[i]]->getName() != q->getName()) { 
+                               Sequence* temp = new Sequence(db[mergedResults[i]]->getName(), db[mergedResults[i]]->getAligned());
+                               refResults.push_back(temp);
+                               indexes.push_back(mergedResults[i]);
+                       }
+//cout << mergedResults[i] << endl;
                }
+//cout << endl;                
+               delete queryRight;
+               delete queryLeft;
+               delete database;
+               
+               return refResults;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "Maligner", "getBlastSeqs");
+               exit(1);
+       }
+}
+//***************************************************************************************************************
+vector<Sequence*> Maligner::getKmerSeqs(Sequence* q, int num) {
+       try {   
+               indexes.clear();
                
-               sort(mergedResults.begin(), mergedResults.end(), compareMembers);
+               //get parts of query
+               string queryUnAligned = q->getUnaligned();
+               string leftQuery = queryUnAligned.substr(0, int(queryUnAligned.length() * 0.33)); //first 1/3 of the sequence
+               string rightQuery = queryUnAligned.substr(int(queryUnAligned.length() * 0.66)); //last 1/3 of the sequence
+
+               Sequence* queryLeft = new Sequence(q->getName(), leftQuery);
+               Sequence* queryRight = new Sequence(q->getName(), rightQuery);
+               
+               vector<int> tempIndexesLeft = databaseLeft->findClosestSequences(queryLeft, numWanted);
+               vector<int> tempIndexesRight = databaseRight->findClosestSequences(queryRight, numWanted);
+               
+               //merge results         
+               map<int, int> seen;
+               map<int, int>::iterator it;
+               
+               vector<int> mergedResults;
+               for (int i = 0; i < tempIndexesLeft.size(); i++) {
+                       //add left if you havent already
+                       it = seen.find(tempIndexesLeft[i]);
+                       if (it == seen.end()) {  
+                               mergedResults.push_back(tempIndexesLeft[i]);
+                               seen[tempIndexesLeft[i]] = tempIndexesLeft[i];
+                       }
+
+                       //add right if you havent already
+                       it = seen.find(tempIndexesRight[i]);
+                       if (it == seen.end()) {  
+                               mergedResults.push_back(tempIndexesRight[i]);
+                               seen[tempIndexesRight[i]] = tempIndexesRight[i];
+                       }
+               }
                
+//cout << q->getName() << endl;                
                vector<Sequence*> refResults;
                for (int i = 0; i < numWanted; i++) {
-                       Sequence* temp = new Sequence(db[mergedResults[i].num]->getName(), db[mergedResults[i].num]->getAligned());
+//cout << db[mergedResults[i]]->getName() << endl;     
+                       Sequence* temp = new Sequence(db[mergedResults[i]]->getName(), db[mergedResults[i]]->getAligned());
                        refResults.push_back(temp);
-cout << db[mergedResults[i].num]->getName() << endl;
+                       indexes.push_back(mergedResults[i]);
                }
-               
+//cout << endl;                
                delete queryRight;
                delete queryLeft;
-               delete database;
                
                return refResults;
        }
        catch(exception& e) {
-               errorOut(e, "Maligner", "getBlastSeqs");
+               m->errorOut(e, "Maligner", "getBlastSeqs");
                exit(1);
        }
 }
-
 //***************************************************************************************************************