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[mothur.git] / filterseqscommand.cpp
index f92253d4b39d8cd444d60018843b70a27187e676..e8c96b3a42b88b6dbd4a003fe3a2454d2bbb4cb3 100644 (file)
  *  Mothur
  *
  *  Created by Thomas Ryabin on 5/4/09.
- *  Copyright 2009 __MyCompanyName__. All rights reserved.
+ *  Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
  *
  */
 
 #include "filterseqscommand.h"
-#include <iostream>
-#include <fstream>
 
 /**************************************************************************************/
-void FilterSeqsCommand::doTrump() {
-       trump = globaldata->getTrump();
-       for(int i = 0; i < db->size(); i++) {
-               Sequence cur = db->get(i);
-               string curAligned = cur.getAligned();
-               for(int j = 0; j < curAligned.length(); j++) {
-                       string curChar = curAligned.substr(j, 1);
-                       if(curChar.compare(trump) == 0) 
-                               columnsToRemove[j] = true;
-               }
-       }
+
+FilterSeqsCommand::FilterSeqsCommand(){
+       globaldata = GlobalData::getInstance();
+       
+       if(globaldata->getFastaFile() == "")            {       cout << "You must enter a fasta formatted file" << endl;        }
+       trump = globaldata->getTrump()[0];
+//     vertical = 
+//     readSeqs->read();
+//     db = readSeqs->getDB();
+//     numSeqs = db->size();
+//     
+//     alignmentLength = db->get(0).getAlignLength();
+//
+//     filter = string(alignmentLength, '1');
 }
 
 /**************************************************************************************/
-void FilterSeqsCommand::doSoft() {
-       soft = atoi(globaldata->getSoft().c_str());
-       vector<vector<int> > columnSymbolSums;
-       vector<vector<string> > columnSymbols;
-       for(int i = 0; i < db->get(0).getLength(); i++) {
-               vector<string> symbols;
-               vector<int> sums;
-               columnSymbols.push_back(symbols);
-               columnSymbolSums.push_back(sums);
-       }
+
+void FilterSeqsCommand::doHard() {
        
-       for(int i = 0; i < db->size(); i++) {
-               Sequence cur = db->get(i);
-               string curAligned = cur.getAligned();
+       string hardName = globaldata->getHard();
+       string hardFilter = "";
                
-               for(int j = 0; j < curAligned.length(); j++) {
-                       string curChar = curAligned.substr(j, 1);
-                       vector<string> curColumnSymbols = columnSymbols[j];
-                       bool newSymbol = true;
-                       
-                       for(int k = 0; k < curColumnSymbols.size(); k++) 
-                               if(curChar.compare(curColumnSymbols[k]) == 0) {
-                                       newSymbol = false;
-                                       columnSymbolSums[j][k]++;
-                               }
-                       
-                       if(newSymbol) {
-                               columnSymbols[j].push_back(curChar);
-                               columnSymbolSums[j].push_back(1);
-                       }
-               }
-       }
+       ifstream fileHandle;
+       openInputFile(hardName, fileHandle);
        
+       fileHandle >> hardFilter;
        
-       for(int i = 0; i < columnSymbolSums.size(); i++) {
-               int totalSum = 0;
-               int max = 0;
-               vector<int> curColumnSymbols = columnSymbolSums[i];
-               
-               for(int j = 0; j < curColumnSymbols.size(); j++) {
-                       int curSum = curColumnSymbols[j];
-                       //cout << columnSymbols[i][j] << ": " << curSum << "\n";
-                       if(curSum > max)
-                               max = curSum;
-                       totalSum += curSum;
-               }
-               //cout << "\n";
-               
-               if((double)max/(double)totalSum * 100 < soft)
-                       columnsToRemove[i] = true;
+       if(hardFilter.length() != filter.length()){
+               cout << "The hard filter is not the same length as the alignment: Hard filter will not be applied." << endl;
+       }
+       else{
+               filter = hardFilter;
        }
+
 }
 
 /**************************************************************************************/
-void FilterSeqsCommand::doFilter() {
-       filter = globaldata->getFilter();
-       ifstream filehandle;
-       openInputFile(filter, filehandle);
+
+void FilterSeqsCommand::doTrump(Sequence seq) {
+
        
-       char c;
-       int count = 0;
-       while(!filehandle.eof()) {
-               c = filehandle.get();
-               if(c == '0') 
-                       columnsToRemove[count] = true;
-               count++;
-       }
+//     for(int i = 0; i < numSeqs; i++) {
+//             string curAligned = db->get(i).getAligned();;
+//
+//             for(int j = 0; j < alignmentLength; j++) {
+//                     if(curAligned[j] == trump){
+//                             filter[j] = '0';
+//                     }
+//             }
+//     }
+
 }
 
 /**************************************************************************************/
+
+void FilterSeqsCommand::doVertical(Sequence seq) {
+
+//     vector<int> counts(alignmentLength, 0);
+//     
+//     for(int i = 0; i < numSeqs; i++) {
+//             string curAligned = db->get(i).getAligned();;
+//             
+//             for(int j = 0; j < alignmentLength; j++) {
+//                     if(curAligned[j] == '-' || curAligned[j] == '.'){
+//                             counts[j]++;
+//                     }
+//             }
+//     }
+//     for(int i=0;i<alignmentLength;i++){
+//             if(counts[i] == numSeqs)        {       filter[i] = '0';                }
+//     }
+}
+
+/**************************************************************************************/
+
+void FilterSeqsCommand::doSoft(Sequence seq) {
+
+//     int softThreshold = numSeqs * (float)atoi(globaldata->getSoft().c_str()) / 100.0;
+//
+//     vector<int> a(alignmentLength, 0);
+//     vector<int> t(alignmentLength, 0);
+//     vector<int> g(alignmentLength, 0);
+//     vector<int> c(alignmentLength, 0);
+//     vector<int> x(alignmentLength, 0);
+//     
+//     for(int i=0;i<numSeqs;i++){
+//             string curAligned = db->get(i).getAligned();;
+//
+//             for(int j=0;j<alignmentLength;j++){
+//                     if(toupper(curAligned[j]) == 'A')                                                                               {       a[j]++; }
+//                     else if(toupper(curAligned[j]) == 'T' || toupper(curAligned[i]) == 'U') {       t[j]++; }
+//                     else if(toupper(curAligned[j]) == 'G')                                                                  {       g[j]++; }
+//                     else if(toupper(curAligned[j]) == 'C')                                                                  {       c[j]++; }
+//             }
+//     }
+//
+//     for(int i=0;i<alignmentLength;i++){
+//             if(a[i] < softThreshold && t[i] < softThreshold && g[i] < softThreshold && c[i] < softThreshold){
+//                     filter[i] = '0';                        
+//             }
+//     }
+}
+
+/**************************************************************************************/
+
 int FilterSeqsCommand::execute() {     
        try {
-               globaldata = GlobalData::getInstance();
-               db = globaldata->gSequenceDB;
+               ifstream inFASTA;
+               openInputFile(globaldata->getFastaFile(), inFASTA);
                
-               for(int i = 0; i < db->get(0).getLength(); i++) 
-                       columnsToRemove.push_back(false);
+               Sequence testSeq(inFASTA);
+               alignmentLength = testSeq.getAlignLength();
+               inFASTA.seekg(0);
+               int numSeqs = 0;
                
-                               
-               if(globaldata->getTrump().compare("") != 0) 
-                       doTrump();
-               else if(globaldata->getSoft().compare("") != 0)
-                       doSoft();
-                       
-               else if(globaldata->getFilter().compare("") != 0) 
-                       doFilter();
-               
-               //for(int i = 0; i < columnsToRemove.size(); i++)
-//             {
-//                     cout << "Remove Column " << i << " = ";
-//                     if(columnsToRemove[i])
-//                             cout << "true\n";
-//                     else
-//                             cout << "false\n";
-//             }
-               //Creating the new SequenceDB 
-               SequenceDB newDB;
-               for(int i = 0; i < db->size(); i++) {
-                       Sequence curSeq = db->get(i);
-                       string curAligned = curSeq.getAligned();
-                       string curName = curSeq.getName();
-                       string newAligned = "";
-                       for(int j = 0; j < curAligned.length(); j++) 
-                               if(!columnsToRemove[j]) 
-                                       newAligned += curAligned.substr(j, 1);
-                       
-                       Sequence newSeq(curName, newAligned);
-                       newDB.add(newSeq);
+               if(globaldata->getHard().compare("") != 0)      {       doHard();                                                               }
+               else                                                                            {       filter = string(alignmentLength, '1');  }
+               while(!inFASTA.eof()){
+                       Sequence seq(inFASTA);
+                       if(globaldata->getTrump().compare("") != 0)     {       doTrump(seq);           }
+                       if(isTrue(globaldata->getVertical()) == 1)      {       doVertical(seq);        }
+//                     if(globaldata->getSoft().compare("") != 0)      {       doSoft(seq);            }                       
+                       numSeqs++;
                }
                
                ofstream outfile;
-               outfile.open("filtertest.txt");
-               newDB.print(outfile);
+               string filterFile = getRootName(globaldata->inputFileName) + "filter";
+               openOutputFile(filterFile, outfile);
+
+               outfile << filter << endl;
                outfile.close();
-                       
+               
+               string filteredFasta = getRootName(globaldata->inputFileName) + "filter.fasta";
+               openOutputFile(filteredFasta, outfile);
+
+//             for(int i=0;i<numSeqs;i++){
+//                     string curAligned = db->get(i).getAligned();
+//                     outfile << '>' << db->get(i).getName() << endl;
+//                     for(int j=0;j<alignmentLength;j++){
+//                             if(filter[j] == '1'){
+//                                     outfile << curAligned[j];
+//                             }
+//                     }
+//                     outfile << endl;
+//             }
+//             outfile.close();
+               
+               int filteredLength = 0;
+               for(int i=0;i<alignmentLength;i++){
+                       if(filter[i] == '1'){   filteredLength++;       }
+               }
+               
+               cout << endl;
+               cout << "Length of filtered alignment: " << filteredLength << endl;
+               cout << "Number of columns removed: " << alignmentLength-filteredLength << endl;
+               cout << "Length of the original alignment: " << alignmentLength << endl;
+               cout << "Number of sequences used to construct filter: " << numSeqs << endl;
+               
+               globaldata->clear();
+               
                return 0;
+               
        }
        catch(exception& e) {
                cout << "Standard Error: " << e.what() << " has occurred in the FilterSeqsCommand class Function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
@@ -152,4 +183,5 @@ int FilterSeqsCommand::execute() {
                exit(1);
        }
 }
+
 /**************************************************************************************/