]> git.donarmstrong.com Git - mothur.git/blobdiff - decalc.cpp
chimera.slayer
[mothur.git] / decalc.cpp
index 1442bd8ec8865f0574d338675d5899332814d8a8..c600a7f56633c270ec83810a306ad71ca3cd65c8 100644 (file)
@@ -12,7 +12,7 @@
 #include "dist.h"
 #include "eachgapdist.h"
 #include "ignoregaps.h"
-#include "eachgapdistignorens.h"
+#include "eachgapdist.h"
 
 //***************************************************************************************************************
 void DeCalculator::setMask(string ms) { 
@@ -683,16 +683,16 @@ float DeCalculator::getCoef(vector<float> obs, vector<float> qav) {
 }
 //***************************************************************************************************************
 //gets closest matches to each end, since chimeras will most likely have different parents on each end
-vector<Sequence*> DeCalculator::findClosest(Sequence* querySeq, vector<Sequence*> db, int& numWanted, vector<int>& indexes) {
+vector<Sequence*> DeCalculator::findClosest(Sequence* querySeq, vector<Sequence*>& thisTemplate, vector<Sequence*>& thisFilteredTemplate, int numWanted, int minSim) {
        try {
-               indexes.clear();
+               //indexes.clear();
                
                vector<Sequence*> seqsMatches;  
                
                vector<SeqDist> distsLeft;
                vector<SeqDist> distsRight;
                
-               Dist* distcalculator = new eachGapDistIgnoreNs();
+               Dist* distcalculator = new eachGapDist();
                
                string queryUnAligned = querySeq->getUnaligned();
                int numBases = int(queryUnAligned.length() * 0.33);
@@ -744,14 +744,14 @@ vector<Sequence*> DeCalculator::findClosest(Sequence* querySeq, vector<Sequence*
                Sequence queryRight(querySeq->getName(), rightQuery);
 //cout << querySeq->getName() << '\t' << leftSpot << '\t' << rightSpot << '\t' << firstBaseSpot << '\t' << lastBaseSpot << endl;
 //cout << queryUnAligned.length() << '\t' << queryLeft.getUnaligned().length() << '\t' << queryRight.getUnaligned().length() << endl;
-               for(int j = 0; j < db.size(); j++){
+               for(int j = 0; j < thisFilteredTemplate.size(); j++){
                        
-                       string dbAligned = db[j]->getAligned();
+                       string dbAligned = thisFilteredTemplate[j]->getAligned();
                        string leftDB = dbAligned.substr(firstBaseSpot, (leftSpot-firstBaseSpot+1)); //first 1/3 of the sequence
                        string rightDB = dbAligned.substr(rightSpot, (lastBaseSpot-rightSpot)); //last 1/3 of the sequence
                        
-                       Sequence dbLeft(db[j]->getName(), leftDB);
-                       Sequence dbRight(db[j]->getName(), rightDB);
+                       Sequence dbLeft(thisFilteredTemplate[j]->getName(), leftDB);
+                       Sequence dbRight(thisFilteredTemplate[j]->getName(), rightDB);
 
                        distcalculator->calcDist(queryLeft, dbLeft);
                        float distLeft = distcalculator->getDist();
@@ -780,14 +780,6 @@ vector<Sequence*> DeCalculator::findClosest(Sequence* querySeq, vector<Sequence*
                //sort by smallest distance
                sort(distsRight.begin(), distsRight.end(), compareSeqDist);
                sort(distsLeft.begin(), distsLeft.end(), compareSeqDist);
-//             cout << distsLeft.size() << '\t' << distsRight.size() << endl;
-//             for(int i=0;i<15;i++){
-//                     cout << "left\t" << db[distsLeft[i].index]->getName() << '\t' << distsLeft[i].dist << endl;
-//             }
-//             for(int i=0;i<15;i++){
-//                     cout << "right\t" << db[distsLeft[i].index]->getName() << '\t' << distsRight[i].dist << endl;
-//             }
-               
                
                //merge results         
                map<string, string> seen;
@@ -796,82 +788,62 @@ vector<Sequence*> DeCalculator::findClosest(Sequence* querySeq, vector<Sequence*
                vector<SeqDist> dists;
                float lastRight = distsRight[0].dist;
                float lastLeft = distsLeft[0].dist;
-               int lasti = 0;
-               for (int i = 0; i < distsLeft.size(); i++) {
+               //int lasti = 0;
+               for (int i = 0; i < numWanted+1; i++) {
+                       
+                       if (m->control_pressed) { return seqsMatches; }
+                       
                        //add left if you havent already
-                       it = seen.find(db[distsLeft[i].index]->getName());
+                       it = seen.find(thisTemplate[distsLeft[i].index]->getName());
                        if (it == seen.end()) {  
                                dists.push_back(distsLeft[i]);
-                               seen[db[distsLeft[i].index]->getName()] = db[distsLeft[i].index]->getName();
+                               seen[thisTemplate[distsLeft[i].index]->getName()] = thisTemplate[distsLeft[i].index]->getName();
                                lastLeft =  distsLeft[i].dist;
 //                             cout << "loop-left\t" << db[distsLeft[i].index]->getName() << '\t' << distsLeft[i].dist << endl;
                        }
 
                        //add right if you havent already
-                       it = seen.find(db[distsRight[i].index]->getName());
+                       it = seen.find(thisTemplate[distsRight[i].index]->getName());
                        if (it == seen.end()) {  
                                dists.push_back(distsRight[i]);
-                               seen[db[distsRight[i].index]->getName()] = db[distsRight[i].index]->getName();
+                               seen[thisTemplate[distsRight[i].index]->getName()] = thisTemplate[distsRight[i].index]->getName();
                                lastRight =  distsRight[i].dist;
 //                             cout << "loop-right\t" << db[distsRight[i].index]->getName() << '\t' << distsRight[i].dist << endl;
                        }
                        
-                       if (dists.size() > numWanted) { lasti = i; break; } //you have enough results
                }
                
-//             cout << "lastLeft\t" << lastLeft << endl;
-               
-               //add in dups
-               lasti++;
-               int i = lasti;
-               while (i < distsLeft.size()) {  
-                       if (distsLeft[i].dist == lastLeft) {
-                               it = seen.find(db[distsLeft[i].index]->getName());
-
-                               if (it == seen.end()) {  
-//                                     cout << "newLoop-left\t" << db[distsLeft[i].index]->getName() << '\t' << distsLeft[i].dist <<  endl;
-                                       dists.push_back(distsLeft[i]);
-                                       seen[db[distsRight[i].index]->getName()] = db[distsLeft[i].index]->getName();
-//                                     numWanted++; 
-                               }
+               //are we still above the minimum similarity cutoff
+               if ((lastLeft >= minSim) || (lastRight >= minSim)) {
+                       //add in ties from left
+                       int i = numWanted;
+                       while (i < distsLeft.size()) {  
+                               if (distsLeft[i].dist == lastLeft) {  dists.push_back(distsLeft[i]);  }
+                               else { break; }
+                               i++;
                        }
-                       else { break; }
-                       i++;
-               }
-               
-//             cout << "lastRight\t" << lastRight << endl;
-
-               i = lasti;
-               while (i < distsRight.size()) {  
-                       if (distsRight[i].dist == lastRight) {
-                               it = seen.find(db[distsRight[i].index]->getName());
-                               
-                               if (it == seen.end()) {  
-//                                     cout << "newLoop-right\t" << db[distsRight[i].index]->getName() << '\t' << distsRight[i].dist << endl;
-                                       dists.push_back(distsRight[i]);
-                                       seen[db[distsRight[i].index]->getName()] = db[distsRight[i].index]->getName();
-//                                     numWanted++; 
-                               }
+                       
+                       //add in ties from right
+                       i = numWanted;
+                       while (i < distsRight.size()) {  
+                               if (distsRight[i].dist == lastRight) {  dists.push_back(distsRight[i]);  }
+                               else { break; }
+                               i++;
                        }
-                       else { break; }
-                       i++;
                }
-
-               numWanted = seen.size();
                
-               if (numWanted > dists.size()) { 
-                       //m->mothurOut("numwanted is larger than the number of template sequences, adjusting numwanted."); m->mothurOutEndLine(); 
-                       numWanted = dists.size();
-               }
 
-//cout << numWanted << endl;
-               for (int i = 0; i < numWanted; i++) {
+
+               //cout << numWanted << endl;
+               for (int i = 0; i < dists.size(); i++) {
 //                     cout << db[dists[i].index]->getName() << '\t' << dists[i].dist << endl;
 
-                       Sequence* temp = new Sequence(db[dists[i].index]->getName(), db[dists[i].index]->getAligned()); //have to make a copy so you can trim and filter without stepping on eachother.
-                       
-                       seqsMatches.push_back(temp);
-                       indexes.push_back(dists[i].index);
+                       if ((thisTemplate[dists[i].index]->getName() != querySeq->getName()) && (((1.0-dists[i].dist)*100) >= minSim)) {
+                               Sequence* temp = new Sequence(thisTemplate[dists[i].index]->getName(), thisTemplate[dists[i].index]->getAligned()); //have to make a copy so you can trim and filter without stepping on eachother.
+                               //cout << querySeq->getName() << '\t' << thisTemplate[dists[i].index]->getName()  << '\t' << dists[i].dist << endl;
+                               seqsMatches.push_back(temp);
+                       }
+
                }
                
                return seqsMatches;
@@ -887,7 +859,7 @@ Sequence* DeCalculator::findClosest(Sequence* querySeq, vector<Sequence*> db) {
                
                Sequence* seqsMatch;  
                
-               Dist* distcalculator = new eachGapDistIgnoreNs();
+               Dist* distcalculator = new eachGapDist();
                int index = 0;
                int smallest = 1000000;