コード例 #1
0
  @Test
  public void test2() throws IOException {
    SAMFileReader r =
        new SAMFileReader(
            new File("c:/temp/HG00096.mapped.illumina.mosaik.GBR.exome.20110411.chr20.bam"));
    SAMRecordIterator iterator = r.iterator();

    CompressionHeaderFactory.HuffmanParamsCalculator c = new HuffmanParamsCalculator();

    String[] names = new String[100000];
    for (int i = 0; i < names.length && iterator.hasNext(); i++) {
      names[i] = iterator.next().getReadName();
      c.add(names[i].length());
    }
    iterator.close();
    r.close();
    c.calculate();

    int[] values = c.values();
    int[] lens = c.bitLens();
    System.out.println(Arrays.toString(values));
    System.out.println(Arrays.toString(lens));

    EncodingParams params = HuffmanIntegerEncoding.toParam(values, lens);
    HuffmanIntegerEncoding e = new HuffmanIntegerEncoding();
    e.fromByteArray(params.params);

    BitCodec<Integer> codec = e.buildCodec(null, null);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DefaultBitOutputStream bos = new DefaultBitOutputStream(baos);
    for (int i = 0; i < names.length; i++) {
      codec.write(bos, names[i].length());
    }

    bos.close();

    codec = e.buildCodec(null, null);
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    DefaultBitInputStream bis = new DefaultBitInputStream(bais);

    for (int i = 0; i < names.length; i++) {
      int v = codec.read(bis);
      if (v != names[i].length()) fail("Mismatch: " + v + " vs " + names[i].length());
    }
  }
コード例 #2
0
  protected int doWork() {
    IoUtil.assertFileIsReadable(INPUT);
    IoUtil.assertFileIsWritable(OUTPUT);

    final SAMFileReader in = new SAMFileReader(INPUT);

    // create the read group we'll be using
    final SAMReadGroupRecord rg = new SAMReadGroupRecord(RGID);
    rg.setLibrary(RGLB);
    rg.setPlatform(RGPL);
    rg.setSample(RGSM);
    rg.setPlatformUnit(RGPU);
    if (RGCN != null) rg.setSequencingCenter(RGCN);
    if (RGDS != null) rg.setDescription(RGDS);
    if (RGDT != null) rg.setRunDate(RGDT);

    log.info(
        String.format(
            "Created read group ID=%s PL=%s LB=%s SM=%s%n",
            rg.getId(), rg.getPlatform(), rg.getLibrary(), rg.getSample()));

    // create the new header and output file
    final SAMFileHeader inHeader = in.getFileHeader();
    final SAMFileHeader outHeader = inHeader.clone();
    outHeader.setReadGroups(Arrays.asList(rg));
    if (SORT_ORDER != null) outHeader.setSortOrder(SORT_ORDER);

    final SAMFileWriter outWriter =
        new SAMFileWriterFactory()
            .makeSAMOrBAMWriter(
                outHeader, outHeader.getSortOrder() == inHeader.getSortOrder(), OUTPUT);

    final ProgressLogger progress = new ProgressLogger(log);
    for (final SAMRecord read : in) {
      read.setAttribute(SAMTag.RG.name(), RGID);
      outWriter.addAlignment(read);
      progress.record(read);
    }

    // cleanup
    in.close();
    outWriter.close();
    return 0;
  }
  public void timeDownsampling(int reps) {
    for (int i = 0; i < reps; i++) {
      SAMFileReader reader = new SAMFileReader(inputFile);
      ReadProperties readProperties =
          new ReadProperties(
              Collections.<SAMReaderID>singletonList(new SAMReaderID(inputFile, new Tags())),
              reader.getFileHeader(),
              false,
              SAMFileReader.ValidationStringency.SILENT,
              downsampling.create(),
              new ValidationExclusion(Collections.singletonList(ValidationExclusion.TYPE.ALL)),
              Collections.<ReadFilter>emptyList(),
              false,
              false,
              BAQ.CalculationMode.OFF,
              BAQ.QualityMode.DONT_MODIFY,
              null, // no BAQ
              null, // no BQSR
              (byte) 0);

      GenomeLocParser genomeLocParser =
          new GenomeLocParser(reader.getFileHeader().getSequenceDictionary());
      // Filter unmapped reads.  TODO: is this always strictly necessary?  Who in the GATK normally
      // filters these out?
      Iterator<SAMRecord> readIterator =
          new FilteringIterator(reader.iterator(), new UnmappedReadFilter());
      LocusIteratorByState locusIteratorByState =
          new LocusIteratorByState(
              readIterator,
              readProperties,
              genomeLocParser,
              LocusIteratorByState.sampleListForSAMWithoutReadGroups());
      while (locusIteratorByState.hasNext()) {
        locusIteratorByState.next().getLocation();
      }
      reader.close();
    }
  }
コード例 #4
0
  public static void main(String[] args) {
    args =
        new String[] {
          "/commun/data/users/cfaucheron/aln_20120329/S0529/data_S0529/S0529_sort.nodup.bam"
        };
    ReferenceSequenceFile rsf =
        ReferenceSequenceFileFactory.getReferenceSequenceFile(
            new File("/commun/data/pubdb/ucsc/hg19/chromosomes/hg19.fa"));
    int count = 0;
    for (String filename : args) {
      File file = new File(filename);
      SAMFileReader samIn = new SAMFileReader(file);
      SAMRecordIterator r = samIn.iterator();
      while (r.hasNext()) {

        SAMRecord rec = r.next();
        if (rec.getReadUnmappedFlag()) continue;

        if (++count > 10000) break;

        if (rec.getAlignmentStart() > rec.getAlignmentEnd()) throw new IllegalStateException();
        byte bases[] =
            rsf.getSubsequenceAt(
                    rec.getReferenceName(),
                    rec.getAlignmentStart(),
                    Math.max(
                        rec.getAlignmentEnd(),
                        rec.getAlignmentStart() + rec.getCigar().getPaddedReferenceLength()))
                .getBases();
        Iterator<CigarAlignment> i = CigarAlignment.iterator(rec);
        /*System.err.println(rec.getCigarString());
        System.err.println(bases.length);
        System.err.println("start:"+rec.getAlignmentStart());*/
        StringBuilder s1 = new StringBuilder();
        StringBuilder s2 = new StringBuilder();

        while (i.hasNext()) {
          CigarAlignment caln = i.next();
          /*
          System.err.println(rec.getCigarString());

          System.err.println("bases.length:"+bases.length);
          System.err.println("refpos:"+caln.getReferencePosition1());
          System.err.println("readpos:"+rec.getAlignmentStart());
          */
          if (caln.getReferencePosition1() - rec.getAlignmentStart() >= bases.length) {
            System.out.println("SHORT!");
            System.out.println("op:" + caln.getCigarOperator());
            System.out.println("read start:" + rec.getAlignmentStart());
            System.out.println("clan.pos1:" + caln.getReferencePosition1());
            System.out.println("read end:" + rec.getAlignmentEnd());
            System.out.println("bases.length:" + bases.length);
            System.out.println(
                "getPaddedReferenceLength:" + rec.getCigar().getPaddedReferenceLength());
            System.out.println("getReferenceLength:" + rec.getCigar().getReferenceLength());
            System.out.println("getReadLength:" + rec.getCigar().getReadLength());
            System.out.println(
                "cigar.read.length:" + Cigar.getReadLength(rec.getCigar().getCigarElements()));
            count = 2000;
            break;
          }
          if (caln.isInsertRef()) {
            s2.append("-");
            s1.append(caln.getReadBase());
          } else if (caln.isDeletionRef()) {
            s2.append((char) bases[caln.getReferencePosition1() - rec.getAlignmentStart()]);
            s1.append("-");
          } else {
            s2.append((char) bases[caln.getReferencePosition1() - rec.getAlignmentStart()]);
            s1.append(caln.getReadBase());
          }
          // System.out.println(s1);
          // System.out.println(s2);
          // System.out.println();
        }
        System.out.println(
            rec.getCigarString() + " " + rec.getReferenceName() + ":" + rec.getAlignmentStart());
        System.out.println("ref :" + new String(bases));
        System.out.println("read:" + new String(rec.getReadBases()));
        System.out.println();
        System.out.println(s1);
        System.out.println(s2);
        System.out.println();
      }
      samIn.close();
    }
  }
コード例 #5
0
ファイル: BamToFastq.java プロジェクト: RobinQi/jvarkit
  @Override
  public int doWork(String[] args) {
    boolean repair_missing_read = false;
    SortingCollectionFactory<MappedFastq> sortingFactory =
        new SortingCollectionFactory<MappedFastq>();
    File forwardFile = null;
    File reverseFile = null;
    com.github.lindenb.jvarkit.util.cli.GetOpt opt =
        new com.github.lindenb.jvarkit.util.cli.GetOpt();
    int c;

    sortingFactory.setComponentType(MappedFastq.class);
    sortingFactory.setCodec(new MappedFastqCodec());
    sortingFactory.setComparator(new MappedFastqComparator());

    while ((c = opt.getopt(args, super.getGetOptDefault() + "F:R:N:r")) != -1) {
      switch (c) {
        case 'F':
          forwardFile = new File(opt.getOptArg());
          break;
        case 'R':
          reverseFile = new File(opt.getOptArg());
          break;
        case 't':
          addTmpDirectory(new File(opt.getOptArg()));
          break;
        case 'N':
          sortingFactory.setMaxRecordsInRAM(Math.max(Integer.parseInt(opt.getOptArg()), 100));
          break;
        case 'r':
          repair_missing_read = true;
          break;
        case ':':
          System.err.println("Missing argument for option -" + opt.getOptOpt());
          return -1;
        default:
          {
            switch (handleOtherOptions(c, opt, args)) {
              case EXIT_FAILURE:
                return -1;
              case EXIT_SUCCESS:
                return 0;
              default:
                break;
            }
          }
      }
    }
    SAMFileReader sfr = null;
    SortingCollection<MappedFastq> fastqCollection = null;
    try {
      sortingFactory.setTmpDirs(this.getTmpDirectories());
      fastqCollection = sortingFactory.make();
      fastqCollection.setDestructiveIteration(true);
      boolean found_single = false;
      boolean found_paired = false;
      long non_primary_alignmaned_flag = 0L;

      if (opt.getOptInd() == args.length) {
        info("Reading from stdin");
        sfr = new SAMFileReader(System.in);
      } else if (opt.getOptInd() + 1 == args.length) {
        String filename = args[opt.getOptInd()];
        sfr = new SAMFileReader(new File(filename));
      } else {
        error(getMessageBundle("illegal.number.of.arguments"));
        return -1;
      }
      sfr.setValidationStringency(ValidationStringency.LENIENT);
      SAMRecordIterator iter = sfr.iterator();
      SAMSequenceDictionaryProgress progress =
          new SAMSequenceDictionaryProgress(sfr.getFileHeader().getSequenceDictionary());
      while (iter.hasNext()) {
        SAMRecord rec = iter.next();
        progress.watch(rec);

        if (rec.isSecondaryOrSupplementary()) {
          if (non_primary_alignmaned_flag == 0) {
            warning("SKIPPING NON-PRIMARY " + (non_primary_alignmaned_flag + 1) + " ALIGNMENTS");
          }
          non_primary_alignmaned_flag++;
          continue;
        }

        MappedFastq m = new MappedFastq();
        m.name = rec.getReadName();
        if (m.name == null) m.name = "";
        m.hash = m.name.hashCode();
        m.seq = rec.getReadString();

        if (m.seq.equals(SAMRecord.NULL_SEQUENCE_STRING)) m.seq = "";
        m.qual = rec.getBaseQualityString();
        if (m.qual.equals(SAMRecord.NULL_QUALS_STRING)) m.qual = "";
        if (!rec.getReadUnmappedFlag() && rec.getReadNegativeStrandFlag()) {
          m.seq = AcidNucleics.reverseComplement(m.seq);
          m.qual = new StringBuilder(m.qual).reverse().toString();
        }
        if (m.seq.length() != m.qual.length()) {
          error("length(seq)!=length(qual) in " + m.name);
          continue;
        }
        if (m.seq.isEmpty() && m.qual.isEmpty()) {
          m.seq = "N";
          m.qual = "#";
        }

        if (rec.getReadPairedFlag()) {
          found_paired = true;
          if (found_single) {
            sfr.close();
            throw new PicardException("input is a mix of paired/singled reads");
          }
          m.side = (byte) (rec.getSecondOfPairFlag() ? 2 : 1);
        } else {
          found_single = true;
          if (found_paired) {
            sfr.close();
            throw new PicardException("input is a mix of paired/singled reads");
          }
          m.side = (byte) 0;
        }
        fastqCollection.add(m);
      }
      iter.close();
      CloserUtil.close(iter);
      CloserUtil.close(sfr);
      progress.finish();

      fastqCollection.doneAdding();
      info("Done reading.");

      if (found_paired) {
        FastqWriter fqw1 = null;
        FastqWriter fqw2 = null;
        if (forwardFile != null) {
          info("Writing to " + forwardFile);
          fqw1 = new BasicFastqWriter(forwardFile);
        } else {
          info("Writing to stdout");
          fqw1 = new BasicFastqWriter(new PrintStream(System.out));
        }
        if (reverseFile != null) {
          info("Writing to " + reverseFile);
          fqw2 = new BasicFastqWriter(reverseFile);
        } else {
          info("Writing to interlaced stdout");
          fqw2 = fqw1;
        }
        List<MappedFastq> row = new ArrayList<MappedFastq>();
        CloseableIterator<MappedFastq> r = fastqCollection.iterator();
        for (; ; ) {
          MappedFastq curr = null;
          if (r.hasNext()) curr = r.next();
          if (curr == null || (!row.isEmpty() && !row.get(0).name.equals(curr.name))) {
            if (!row.isEmpty()) {
              if (row.size() > 2) {
                warning("WTF :" + row);
              }
              boolean found_F = false;
              boolean found_R = false;
              for (MappedFastq m : row) {
                switch ((int) m.side) {
                  case 1:
                    if (found_F)
                      throw new PicardException("two forward reads found for " + row.get(0).name);
                    found_F = true;
                    echo(fqw1, m);
                    break;
                  case 2:
                    if (found_R)
                      throw new PicardException("two reverse reads found for " + row.get(0).name);
                    found_R = true;
                    echo(fqw2, m);
                    break;
                  default:
                    throw new IllegalStateException("uh???");
                }
              }
              if (!found_F) {
                if (repair_missing_read) {
                  warning("forward not found for " + row.get(0));
                  MappedFastq pad = new MappedFastq();
                  pad.side = (byte) 1;
                  pad.name = row.get(0).name;
                  pad.seq = "N";
                  pad.qual = "#";
                  echo(fqw1, pad);
                } else {
                  throw new PicardException("forward not found for " + row);
                }
              }
              if (!found_R) {
                if (repair_missing_read) {
                  warning("reverse not found for " + row.get(0));
                  MappedFastq pad = new MappedFastq();
                  pad.side = (byte) 2;
                  pad.name = row.get(0).name;
                  pad.seq = "N";
                  pad.qual = "#";
                  echo(fqw2, pad);
                } else {
                  throw new PicardException("reverse not found for " + row);
                }
              }
            }
            if (curr == null) break;
            row.clear();
          }
          row.add(curr);
        }
        r.close();
        fqw1.close();
        fqw2.close();
      } else if (found_single) {
        FastqWriter fqw1 = null;
        if (forwardFile != null) {
          info("Writing to " + forwardFile);
          fqw1 = new BasicFastqWriter(forwardFile);
        } else {
          info("Writing to stdout");
          fqw1 = new BasicFastqWriter(new PrintStream(System.out));
        }

        CloseableIterator<MappedFastq> r = fastqCollection.iterator();
        while (r.hasNext()) {
          echo(fqw1, r.next());
        }
        r.close();
        fqw1.close();
      }
      return 0;
    } catch (Exception err) {
      error(err);
      return -1;
    } finally {
      if (fastqCollection != null) fastqCollection.cleanup();
    }
  }