]> git.donarmstrong.com Git - mothur.git/blobdiff - filterseqscommand.cpp
addition of summary.seq command [pds]
[mothur.git] / filterseqscommand.cpp
index aff959ab9359ef0d199ac785d8c43a942ea59255..a6bd54982e9ca509463f5d40822d1ae232e83bb1 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-1; j++) {
-//                     string curChar = curAligned.substr(j, j+1);
-//                     
-//                     if(curChar.compare(trump) == 0) 
-//                             columnsToRemove[j] = true;
-//             }
-//     }
+
+FilterSeqsCommand::FilterSeqsCommand(){
+       globaldata = GlobalData::getInstance();
+       
+       if(globaldata->getFastaFile() != "")            {       readSeqs =  new ReadFasta(globaldata->inputFileName);   }
+       else if(globaldata->getNexusFile() != "")       {       readSeqs = new ReadNexus(globaldata->inputFileName);    }
+       else if(globaldata->getClustalFile() != "") {   readSeqs = new ReadClustal(globaldata->inputFileName);  }
+       else if(globaldata->getPhylipFile() != "")      {       readSeqs = new ReadPhylip(globaldata->inputFileName);   }
+       
+       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[i] = symbols;
-//             columnSymbolSums[i] = sums;
-//     }
-//     
-//     for(int i = 0; i < db->size(); i++) {
-//             Sequence cur = db->get(i);
-//             string curAligned = cur.getAligned();
-//             
-//             for(int j = 0; j < curAligned.length-1; j++) {
-//                     string curChar = curAligned.substr(j, j+1);
-//                     vector<string> curColumnSymbols = columnSymbols[j];
-//                     
-//                     bool newSymbol = true;
-//                     
-//                     for(int k = 0; j < curColumnSymbols.size(); j++) 
-//                             if(curChar.compare(curColumnSymbols[k]) == 0) {
-//                                     newSymbol = false;
-//                                     columnSymbolSums[j][k]++;
-//                             }
-//                     
-//                     if(newSymbol) {
-//                             columnSymbols.push_back(curChar);
-//                             columnSymbolSums[j].push_back(1);
-//                     }
-//             }
-//     }
-//     
-//     for(int i = 0; i < columnSymbolSums.size(); i++) {
-//             int totalSum = 0;
-//             int max = 0;
-//             vector<int> curColumn = columnSymbolSums[i];
-//             
-//             for(int j = 0; j < curColumn.size(); j++) {
-//                     int curSum = curColumn[j];
-//                     if(curSum > max)
-//                             max = curSum;
-//                     totalSum += curSum;
-//             }
-//             
-//             if((double)max/(double)totalSum * 100 < soft)
-//                     columnsToRemove[i] = true;
-//     }
+
+void FilterSeqsCommand::doHard() {
+       
+       string hardName = globaldata->getHard();
+       string hardFilter = "";
+               
+       ifstream fileHandle;
+       openInputFile(hardName, fileHandle);
+       
+       fileHandle >> hardFilter;
+       
+       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() {}
+
 /**************************************************************************************/
-int FilterSeqsCommand::execute() {     
-       try {
-               globaldata = GlobalData::getInstance();
-               filename = globaldata->inputFileName;
-               
-               if(globaldata->getFastaFile().compare("") != 0) {
-                       readFasta = new ReadFasta(filename);
-                       readFasta->read();
-                       db = readFasta->getDB();
-               }
-               
-               else if(globaldata->getNexusFile().compare("") != 0) {
-                       readNexus = new ReadNexus(filename);
-                       readNexus->read();
-                       db = readNexus->getDB();
+
+void FilterSeqsCommand::doTrump() {
+
+       char trump = globaldata->getTrump()[0];
+       
+       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() {
+
+       vector<int> counts(alignmentLength, 0);
+       
+       for(int i = 0; i < numSeqs; i++) {
+               string curAligned = db->get(i).getAligned();;
                
-               else if(globaldata->getClustalFile().compare("") != 0) {
-                       readClustal = new ReadClustal(filename);
-                       readClustal->read();
-                       db = readClustal->getDB();
+               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';                }
+       }
+}
 
-               else if(globaldata->getPhylipFile().compare("") != 0) {
-                       readPhylip = new ReadPhylip(filename);
-                       readPhylip->read();
-                       db = readPhylip->getDB();
-               }
+/**************************************************************************************/
+
+void FilterSeqsCommand::doSoft() {
+
+       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 < db->get(0).getLength(); i++) 
-                       columnsToRemove[i] = false;
-                       
-               // Trump
-               if(globaldata->getTrump().compare("") != 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]++; }
                }
-               
-               // Soft
-               if(globaldata->getSoft().compare("") != 0) {}
+       }
 
+       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 {
+                                               
+               if(globaldata->getHard().compare("") != 0)              {       doHard();               }       //      has to be applied first!
+               if(globaldata->getTrump().compare("") != 0)             {       doTrump();              }
+               if(globaldata->getVertical() == "T")                    {       doVertical();   }
+               if(globaldata->getSoft().compare("") != 0)              {       doSoft();               }
+
+               ofstream 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();
                
-               // Filter
-               //if(globaldata->getFilter().compare("") != 0) {
-//
-//                     filter = globaldata->getFilter();
-//                     ifstream filehandle;
-//                     openInputFile(filter, filehandle);
-//                     
-//                     char c;
-//                     int count = 0;
-//                     while(!filehandle.eof()) {
-//                             c = filehandle.get();
-//                             if(c == '0') 
-//                                     columnsToRemove[count] = true;
-//                             count++;
-//                     }
-//             }
+               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 DeconvoluteCommand class Function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               cout << "Standard Error: " << e.what() << " has occurred in the FilterSeqsCommand class Function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
                exit(1);
        }
        catch(...) {
-               cout << "An unknown error has occurred in the DeconvoluteCommand class function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               cout << "An unknown error has occurred in the FilterSeqsCommand class function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
                exit(1);
        }
 }
+
 /**************************************************************************************/