Example #1
0
GtRegionMapping* gt_region_mapping_new_encseq(GtEncseq *encseq, bool matchdesc,
                                              bool usedesc)
{
  GtRegionMapping *rm;
  gt_assert(encseq);
  gt_assert(!(matchdesc && usedesc));
  rm = gt_calloc(1, sizeof (GtRegionMapping));
  rm->encseq = gt_encseq_ref(encseq);
  rm->matchdesc = matchdesc;
  rm->usedesc = usedesc;
  return rm;
}
GtMatchIterator* gt_match_iterator_sw_new(GtEncseq *es1, GtEncseq *es2,
                                          GtScoreFunction *sf,
                                          unsigned long min_len,
                                          unsigned long max_edist,
                                          GT_UNUSED GtError *err)
{
  GtMatchIterator *mi;
  GtMatchIteratorSW *mis;
  gt_assert(es1 && es2 && sf);
  gt_error_check(err);

  mi = gt_match_iterator_create(gt_match_iterator_sw_class());
  mis = (GtMatchIteratorSW*) mi;
  mis->pvt = gt_calloc(1, sizeof (GtMatchIteratorSWMembers));
  mis->pvt->es1 = gt_encseq_ref(es1);
  mis->pvt->es2 = gt_encseq_ref(es2);
  mis->pvt->sf = gt_score_function_ref(sf);
  mis->pvt->min_len = min_len;
  mis->pvt->max_edist = max_edist;
  mis->pvt->firstali = true;
  return mi;
}
Example #3
0
GtSeqCol* gt_encseq_col_new(GtEncseq *encseq, GtError *err)
{
  GtSeqCol *sc;
  GtEncseqCol *esc;
  gt_error_check(err);
  gt_assert(encseq);
  if (!gt_encseq_has_md5_support(encseq)) {
    gt_error_set(err, "encoded sequence has no MD5 support");
    return NULL;
  }
  sc = gt_seq_col_create(gt_encseq_col_class());
  esc = gt_encseq_col_cast(sc);
  esc->md5_tab = gt_encseq_get_md5_tab(encseq, err);
  gt_assert(esc->md5_tab);
  esc->encseq = gt_encseq_ref(encseq);
  return sc;
}
Example #4
0
GtCodonIterator* gt_codon_iterator_encseq_new_with_readmode(GtEncseq *encseq,
                                                         unsigned long startpos,
                                                         unsigned long length,
                                                         GtReadmode readmode,
                                                         GT_UNUSED GtError *err)
{
  GtCodonIteratorEncseq *cie;
  GtCodonIterator *ci;
  gt_assert(encseq && startpos + length - 1 < gt_encseq_total_length(encseq));
  gt_error_check(err);
  ci = gt_codon_iterator_create(gt_codon_iterator_encseq_class());
  cie = gt_codon_iterator_encseq_cast(ci);
  cie->encseq = gt_encseq_ref(encseq);
  cie->readmode = readmode;
  ci->pvt->length = length;
  ci->pvt->curpos = 0;
  ci->pvt->startpos = startpos;
  return ci;
}
Example #5
0
GtWtree* gt_wtree_encseq_new(GtEncseq *encseq)
{
  /* sample rate for compressd bitseq */
  const unsigned int samplerate = 32U;
  GtWtree *wtree;
  GtWtreeEncseq *wtree_encseq;
  wtree = gt_wtree_create(gt_wtree_encseq_class());
  wtree_encseq = gt_wtree_encseq_cast(wtree);
  wtree_encseq->encseq = gt_encseq_ref(encseq);
  wtree_encseq->alpha = gt_alphabet_ref(gt_encseq_alphabet(encseq));
  /* encoded chars + WC given by gt_alphabet_size,
     we have to encode UNDEFCHAR and SEPARATOR too */
  wtree_encseq->alpha_size = gt_alphabet_size(wtree_encseq->alpha) + 2;
  wtree->members->num_of_symbols = (GtUword) wtree_encseq->alpha_size;
  /* levels in tree: \lceil log_2(\sigma)\rceil */
  wtree_encseq->levels =
    gt_determinebitspervalue((GtUword) wtree_encseq->alpha_size);
  wtree_encseq->root_fo = gt_wtree_encseq_fill_offset_new();
  wtree_encseq->current_fo = wtree_encseq->root_fo;
  wtree->members->length =
    gt_encseq_total_length(encseq);
  /* each level has number of symbols bits */
  wtree_encseq->num_of_bits =
    wtree_encseq->levels *
    wtree->members->length;
  wtree_encseq->bits_size =
    wtree_encseq->num_of_bits / (sizeof (GtBitsequence) * CHAR_BIT);
  if (wtree_encseq->num_of_bits % (sizeof (GtBitsequence) * CHAR_BIT) != 0)
    wtree_encseq->bits_size++;
  wtree_encseq->bits =
    gt_calloc((size_t) wtree_encseq->bits_size, sizeof (GtBitsequence));
  wtree_encseq->node_start = 0;
  gt_wtree_encseq_fill_bits(wtree_encseq);
  wtree_encseq->c_bits =
    gt_compressed_bitsequence_new(wtree_encseq->bits,
                                  samplerate,
                                  wtree_encseq->num_of_bits);
  gt_free(wtree_encseq->bits);
  wtree_encseq->bits = NULL;
  return wtree;
}
Example #6
0
static int gt_seed_extend_runner(GT_UNUSED int argc,
                                 GT_UNUSED const char **argv,
                                 GT_UNUSED int parsed_args,
                                 void *tool_arguments,
                                 GtError *err)
{
  GtSeedExtendArguments *arguments = tool_arguments;
  GtEncseqLoader *encseq_loader = NULL;
  GtEncseq *aencseq = NULL, *bencseq = NULL;
  GtGreedyextendmatchinfo *grextinfo = NULL;
  GtXdropmatchinfo *xdropinfo = NULL;
  GtQuerymatchoutoptions *querymatchoutopt = NULL;
  GtTimer *seedextendtimer = NULL;
  GtExtendCharAccess cam = GT_EXTEND_CHAR_ACCESS_ANY;
  GtUword errorpercentage = 0UL;
  int had_err = 0;

  gt_error_check(err);
  gt_assert(arguments != NULL);
  gt_assert(arguments->se_minidentity >= GT_EXTEND_MIN_IDENTITY_PERCENTAGE &&
            arguments->se_minidentity <= 100UL);

  /* Calculate error percentage from minidentity */
  errorpercentage = 100UL - arguments->se_minidentity;

  /* Measure whole running time */
  if (arguments->benchmark || arguments->verbose) {
    gt_showtime_enable();
  }
  if (gt_showtime_enabled())
  {
    seedextendtimer = gt_timer_new();
    gt_timer_start(seedextendtimer);
  }

  /* Load encseq A */
  encseq_loader = gt_encseq_loader_new();
  gt_encseq_loader_enable_autosupport(encseq_loader);
  aencseq = gt_encseq_loader_load(encseq_loader,
                                  gt_str_get(arguments->dbs_indexname),
                                  err);
  if (aencseq == NULL)
    had_err = -1;

  /* If there is a 2nd read set: Load encseq B */
  if (!had_err) {
    if (strcmp(gt_str_get(arguments->dbs_queryname), "") != 0) {
      bencseq = gt_encseq_loader_load(encseq_loader,
                                      gt_str_get(arguments->dbs_queryname),
                                      err);
    } else {
      bencseq = gt_encseq_ref(aencseq);
    }
    if (bencseq == NULL) {
      had_err = -1;
      gt_encseq_delete(aencseq);
    }
  }
  gt_encseq_loader_delete(encseq_loader);

  /* set character access method */
  if (!had_err && (gt_option_is_set(arguments->se_option_greedy) ||
                   gt_option_is_set(arguments->se_option_xdrop) ||
                   arguments->se_alignmentwidth > 0))
  {
    cam = gt_greedy_extend_char_access(gt_str_get
                                       (arguments->se_char_access_mode),
                                       err);
    if ((int) cam == -1) {
      had_err = -1;
      gt_encseq_delete(aencseq);
      gt_encseq_delete(bencseq);
    }
  }

  /* Use bias dependent parameters, adapted from E. Myers' DALIGNER */
  if (!had_err && arguments->bias_parameters) {
    const GtAlphabet *alpha = gt_encseq_alphabet(aencseq);
    const double bias_factor[10] = {.690, .690, .690, .690, .780,
                                    .850, .900, .933, .966, 1.000};

    if (gt_alphabet_is_dna(alpha)) {
      GtUword at, cg;
      at = gt_encseq_charcount(aencseq, gt_alphabet_encode(alpha, 'a'));
      at += gt_encseq_charcount(aencseq, gt_alphabet_encode(alpha, 't'));
      cg = gt_encseq_charcount(aencseq, gt_alphabet_encode(alpha, 'c'));
      cg += gt_encseq_charcount(aencseq, gt_alphabet_encode(alpha, 'g'));
      if (at + cg > 0) {
        const double ratio = (double)MIN(at, cg) / (at + cg);
        int bias_index = (int)MAX(0.0, (ratio + 0.025) * 20.0 - 1.0);
        gt_assert(bias_index < 10);
        arguments->se_maxalilendiff = 30;
        arguments->se_perc_match_hist = (GtUword)(100.0 - errorpercentage *
                                                  bias_factor[bias_index]);
        if (arguments->verbose) {
          printf("# Base ratio = %4.2lf -> percmathistory = "GT_WU"\n",
                 ratio, arguments->se_perc_match_hist);
        }
      } else {
        had_err = -1;
      }
    } else {
      had_err = -1;
    }
    if (had_err) {
      gt_error_set(err, "option \"-bias-parameters\" can only be applied to "
                   "the DNA alphabet");
      gt_encseq_delete(aencseq);
      gt_encseq_delete(bencseq);
    }
  }

  /* Prepare options for greedy extension */
  if (!had_err && gt_option_is_set(arguments->se_option_greedy)) {
    grextinfo = gt_greedy_extend_matchinfo_new(errorpercentage,
                                               arguments->se_maxalilendiff,
                                               arguments->se_historysize,
                                               arguments->se_perc_match_hist,
                                               arguments->se_alignlength,
                                               cam,
                                               arguments->se_extendgreedy);
    if (arguments->benchmark) {
      gt_greedy_extend_matchinfo_silent_set(grextinfo);
    }
  }

  /* Prepare options for xdrop extension */
  if (!had_err && gt_option_is_set(arguments->se_option_xdrop)) {
    xdropinfo = gt_xdrop_matchinfo_new(arguments->se_alignlength,
                                       errorpercentage,
                                       arguments->se_xdropbelowscore,
                                       arguments->se_extendxdrop);
    if (arguments->benchmark) {
      gt_xdrop_matchinfo_silent_set(xdropinfo);
    }
  }

  /* Prepare output options */
  if (!had_err && (arguments->se_alignmentwidth > 0 ||
                   gt_option_is_set(arguments->se_option_xdrop)))
  {
    querymatchoutopt
      = gt_querymatchoutoptions_new(arguments->se_alignmentwidth);

    if (gt_option_is_set(arguments->se_option_xdrop) ||
        gt_option_is_set(arguments->se_option_greedy))
    {
      const GtUword sensitivity = gt_option_is_set(arguments->se_option_greedy)
                                    ? arguments->se_extendgreedy : 100;

      gt_querymatchoutoptions_extend(querymatchoutopt,
                                     errorpercentage,
                                     arguments->se_maxalilendiff,
                                     arguments->se_historysize,
                                     arguments->se_perc_match_hist,
                                     cam,
                                     sensitivity);
    }
  }

  /* Start algorithm */
  if (!had_err) {
    GtDiagbandseed dbsarguments;
    dbsarguments.errorpercentage = errorpercentage;
    dbsarguments.userdefinedleastlength = arguments->se_alignlength;
    dbsarguments.seedlength = arguments->dbs_seedlength;
    dbsarguments.logdiagbandwidth = arguments->dbs_logdiagbandwidth;
    dbsarguments.mincoverage = arguments->dbs_mincoverage;
    dbsarguments.maxfreq = arguments->dbs_maxfreq;
    dbsarguments.memlimit = arguments->dbs_memlimit;
    dbsarguments.mirror = arguments->mirror;
    dbsarguments.overlappingseeds = arguments->overlappingseeds;
    dbsarguments.verify = arguments->dbs_verify;
    dbsarguments.verbose = arguments->verbose;
    dbsarguments.debug_kmer = arguments->dbs_debug_kmer;
    dbsarguments.debug_seedpair = arguments->dbs_debug_seedpair;
    dbsarguments.seed_display = arguments->seed_display;
    dbsarguments.extendgreedyinfo = grextinfo;
    dbsarguments.extendxdropinfo = xdropinfo;
    dbsarguments.querymatchoutopt = querymatchoutopt;

    had_err = gt_diagbandseed_run(aencseq, bencseq, &dbsarguments, err);

    /* clean up */
    gt_encseq_delete(aencseq);
    gt_encseq_delete(bencseq);
    if (gt_option_is_set(arguments->se_option_greedy)) {
      gt_greedy_extend_matchinfo_delete(grextinfo);
    }
    if (gt_option_is_set(arguments->se_option_xdrop)) {
      gt_xdrop_matchinfo_delete(xdropinfo);
    }
    if (arguments->se_alignmentwidth > 0 ||
        gt_option_is_set(arguments->se_option_xdrop)) {
      gt_querymatchoutoptions_delete(querymatchoutopt);
    }
  }

  if (gt_showtime_enabled()) {
    if (!had_err) {
      char *keystring
        = gt_seed_extend_params_keystring(gt_option_is_set(arguments->
                                                           se_option_greedy),
                                          gt_option_is_set(arguments->
                                                           se_option_xdrop),
                                          arguments->dbs_seedlength,
                                          arguments->se_alignlength,
                                          arguments->se_minidentity,
                                          arguments->se_maxalilendiff,
                                          arguments->se_perc_match_hist,
                                          arguments->se_extendgreedy,
                                          arguments->se_extendxdrop,
                                          arguments->se_xdropbelowscore);
      printf("# TIME seedextend-%s", keystring);
      gt_free(keystring);
      gt_timer_show_formatted(seedextendtimer,
                              " overall " GT_WD ".%06ld\n",
                              stdout);
    }
    gt_timer_delete(seedextendtimer);
  }
  return had_err;
}