]> git.donarmstrong.com Git - mothur.git/blobdiff - filterseqscommand.cpp
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[mothur.git] / filterseqscommand.cpp
index aff959ab9359ef0d199ac785d8c43a942ea59255..e024a242ed8b35771580b00cffd66bc7dd78d66d 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() == "")            {       cout << "You must enter a fasta formatted file" << endl;        }
+       trump = globaldata->getTrump()[0];
+       numSeqs = 0;
+
 }
 
 /**************************************************************************************/
+
+void FilterSeqsCommand::doHard() {
+       
+       string hardName = globaldata->getHard();
+       string hardFilter = "";
+               
+       ifstream fileHandle;
+       openInputFile(hardName, fileHandle);
+       
+       fileHandle >> filter;
+
+}
+
+/**************************************************************************************/
+
+void FilterSeqsCommand::doTrump(Sequence seq) {
+       
+       string curAligned = seq.getAligned();
+       
+       for(int j = 0; j < alignmentLength; j++) {
+               if(curAligned[j] == trump){
+                       filter[j] = '0';
+               }
+       }
+
+}
+
+/**************************************************************************************/
+
+void FilterSeqsCommand::doVertical() {
+
+       for(int i=0;i<alignmentLength;i++){
+               if(gap[i] == numSeqs)   {       filter[i] = '0';        }
+       }
+       
+}
+
+/**************************************************************************************/
+
 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;
-//     }
+       
+       int threshold = int (soft * numSeqs);
+       bool keep = 0;
+       
+       for(int i=0;i<alignmentLength;i++){
+               if(a[i] >= threshold)           {       keep = 1;       }
+               else if(t[i] >= threshold)      {       keep = 1;       }
+               else if(g[i] >= threshold)      {       keep = 1;       }
+               else if(c[i] >= threshold)      {       keep = 1;       }
+               
+               if(keep == 0)   {       filter[i] = 0;          }
+       }
 }
-void FilterSeqsCommand::doFilter() {}
+
 /**************************************************************************************/
+
+void FilterSeqsCommand::getFreqs(Sequence seq) {
+
+       string curAligned = seq.getAligned();;
+       
+       for(int j=0;j<alignmentLength;j++){
+               if(toupper(curAligned[j]) == 'A')                                                                               {       a[j]++;         }
+               else if(toupper(curAligned[j]) == 'T' || toupper(curAligned[j]) == 'U') {       t[j]++;         }
+               else if(toupper(curAligned[j]) == 'G')                                                                  {       g[j]++;         }
+               else if(toupper(curAligned[j]) == 'C')                                                                  {       c[j]++;         }
+               else if(curAligned[j] == '-' || curAligned[j] == '.')                                   {       gap[j]++;       }
+       }
+       
+}
+
+/**************************************************************************************/
+
 int FilterSeqsCommand::execute() {     
        try {
-               globaldata = GlobalData::getInstance();
-               filename = globaldata->inputFileName;
+               ifstream inFASTA;
+               openInputFile(globaldata->getFastaFile(), inFASTA);
                
-               if(globaldata->getFastaFile().compare("") != 0) {
-                       readFasta = new ReadFasta(filename);
-                       readFasta->read();
-                       db = readFasta->getDB();
-               }
+               Sequence testSeq(inFASTA);
+               alignmentLength = testSeq.getAlignLength();
+               inFASTA.seekg(0);
                
-               else if(globaldata->getNexusFile().compare("") != 0) {
-                       readNexus = new ReadNexus(filename);
-                       readNexus->read();
-                       db = readNexus->getDB();
+               if(globaldata->getSoft() != "" || isTrue(globaldata->getVertical())){
+                       a.assign(alignmentLength, 0);
+                       t.assign(alignmentLength, 0);
+                       g.assign(alignmentLength, 0);
+                       c.assign(alignmentLength, 0);
+                       gap.assign(alignmentLength, 0);
                }
-               
-               else if(globaldata->getClustalFile().compare("") != 0) {
-                       readClustal = new ReadClustal(filename);
-                       readClustal->read();
-                       db = readClustal->getDB();
+               if(globaldata->getSoft() != ""){
+                       soft = (float)atoi(globaldata->getSoft().c_str()) / 100.0;
                }
+               
+               if(globaldata->getHard().compare("") != 0)      {       doHard();                                                               }
+               else                                                                            {       filter = string(alignmentLength, '1');  }
 
-               else if(globaldata->getPhylipFile().compare("") != 0) {
-                       readPhylip = new ReadPhylip(filename);
-                       readPhylip->read();
-                       db = readPhylip->getDB();
-               }
-       
-               for(int i = 0; i < db->get(0).getLength(); i++) 
-                       columnsToRemove[i] = false;
-                       
-               // Trump
-               if(globaldata->getTrump().compare("") != 0) {
+               if(globaldata->getTrump().compare("") != 0 || isTrue(globaldata->getVertical()) || globaldata->getSoft().compare("") != 0){
+               
+                       while(!inFASTA.eof()){
+                               Sequence seq(inFASTA);
+                               if(globaldata->getTrump().compare("") != 0)     {       doTrump(seq);           }
+                               if(isTrue(globaldata->getVertical()) || globaldata->getSoft().compare("") != 0){        getFreqs(seq);  }
+                               numSeqs++;
+                               cout.flush();
+                       }
                
-                       
                }
+               inFASTA.close();
+               
+               if(isTrue(globaldata->getVertical()) == 1)      {       doVertical();   }
+               if(globaldata->getSoft().compare("") != 0)      {       doSoft();               }                       
+
+               ofstream outFilter;
+               string filterFile = getRootName(globaldata->inputFileName) + "filter";
+               openOutputFile(filterFile, outFilter);
+               outFilter << filter << endl;
+               outFilter.close();
                
-               // Soft
-               if(globaldata->getSoft().compare("") != 0) {}
 
+               openInputFile(globaldata->getFastaFile(), inFASTA);
+               string filteredFasta = getRootName(globaldata->inputFileName) + "filter.fasta";
+               ofstream outFASTA;
+               openOutputFile(filteredFasta, outFASTA);
+
+               numSeqs = 0;
+               while(!inFASTA.eof()){
+                       Sequence seq(inFASTA);
+                       string align = seq.getAligned();
+                       string filterSeq = "";
+       
+                       for(int j=0;j<alignmentLength;j++){
+                               if(filter[j] == '1'){
+                                       filterSeq += align[j];
+                               }
+                       }
+
+                       outFASTA << '>' << seq.getName() << endl << filterSeq << endl;
+                       numSeqs++;
+                       gobble(inFASTA);
+               }
+               outFASTA.close();
+               inFASTA.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);
        }
 }
+
 /**************************************************************************************/