Example #1
0
static int
translate_chromosomepos_universal (unsigned int *genomicstart, unsigned int *genomiclength, 
				   char *chromosome, unsigned int left, unsigned int length,
				   IIT_T chromosome_iit) {
  int rc = 1, index;
  Interval_T interval;
#ifdef DEBUG
  bool allocp;
#endif
  
  if ((index = IIT_find_linear(chromosome_iit,chromosome)) >= 0) {
    debug(printf("chromosome %s => index %d\n",chromosome,index));
    interval = IIT_interval(chromosome_iit,index);
    debug(printf("  => label %s with interval low %u\n",
		 IIT_label(chromosome_iit,index,&allocp),Interval_low(interval)));
    *genomicstart = Interval_low(interval)+left;
    if (*genomicstart < Interval_low(interval)) {
      fprintf(stderr,"%u + %u = %u (exceeds a 32-bit unsigned int)\n",
	      Interval_low(interval),left,*genomicstart);
      exit(9);
    }
    if (length == 0) {
      *genomiclength = Interval_length(interval)-left;
    } else {
      *genomiclength = length;
    }
    rc = 0;
  }
  
  return rc;
}
Example #2
0
static void
find_positions (bool *revcompp, Genomicpos_T *leftposition, Genomicpos_T *rightposition,
		Genomicpos_T *startposition, Genomicpos_T *endposition, Genomicpos_T *truelength,
		int *contigtype, char *accession, IIT_T contig_iit) {
  int index;
  Interval_T interval;
  char firstchar;

  if ((index = IIT_find_one(contig_iit,accession)) == -1) {
    fprintf(stderr,"Can't find accession %s in contig IIT file\n",
	    accession);
    exit(9);
  } else {	
    interval = IIT_interval(contig_iit,index);

    *leftposition = Interval_low(interval);
    *rightposition = Interval_high(interval);

    if (IIT_version(contig_iit) <= 1) {
      firstchar = IIT_annotation_firstchar(contig_iit,index);
      if (firstchar == '-') {
	*revcompp = true;
	*startposition = Interval_high(interval) + 1U;
	*endposition = Interval_low(interval) + 1U;
      } else {
	*revcompp = false;
	*startposition = Interval_low(interval);
	*endposition = Interval_high(interval);
      }
    } else {
      if (Interval_sign(interval) < 0) {
	*revcompp = true;
	*startposition = Interval_high(interval) + 1U;
	*endposition = Interval_low(interval) + 1U;
      } else {
	*revcompp = false;
	*startposition = Interval_low(interval);
	*endposition = Interval_high(interval);
      }
    }

    *truelength = Interval_length(interval);
    *contigtype = Interval_type(interval);
    debug(printf("revcompp = %d, leftposition = %d, rightposition = %d, startposition = %d, endposition = %d\n",
		 *revcompp,*leftposition,*rightposition,*startposition,*endposition));
    return;
  }
}
Example #3
0
/* Need to store just the part of the query specified (e.g., 1..10) */
static double
compute_logtotal_tally (long int *total, int *n, Chrpos_T coordstart, Chrpos_T coordend,
			int indexi, IIT_T iit) {
  double logtotal = 0.0;
  Interval_T interval;
  char *annotation, *restofheader, *ptr;
  bool allocp;
  Chrpos_T chrpos, intervalend;
  long int count;

  annotation = IIT_annotation(&restofheader,iit,indexi,&allocp);

  interval = IIT_interval(iit,indexi);
  chrpos = Interval_low(interval);
  intervalend = Interval_high(interval);

  ptr = annotation;

  while (chrpos < coordstart) {
    if ((ptr = index(ptr,'\n')) == NULL) {
      fprintf(stderr,"Premature end of tally from %u to %u\n",
	      Interval_low(interval),Interval_high(interval));
      return logtotal;
    } else {
      ptr++;
    }
    chrpos++;
  }

  while (chrpos <= intervalend && chrpos <= coordend) {
    count = 0;
    ptr = get_total_tally(&count,ptr);

    logtotal += log((double) count + 1.0);
    *total += count;
    *n += 1;
    ptr++;
    chrpos++;
  }

  if (allocp == true) {
    FREE(restofheader);
  }
  
  return logtotal;
}
Example #4
0
static int
process_snp_block (int *nwarnings, Positionsptr_T *offsets, Genomicpos_T *positions,
		   Interval_T *intervals, int nintervals,
		   Genomicpos_T chroffset, Genome_T genome,
		   UINT4 *snp_blocks, int divno, char *divstring, int intervali,
		   IIT_T snps_iit, IIT_T chromosome_iit, int index1part) {
  int nerrors = 0;
  bool *snpp;
  char *refstring;
  char *altstring;
#ifdef DEBUG1
  char *nt;
#endif

  int index, length;
  int nsnps, stringi, starti, shift, i, k;
  char *snptype, *label, refnt, altnt;
  unsigned int ptr;
  Genomicpos_T snpposition, startposition, endposition, first_snppos, last_snppos, position, chrpos;
  Chrnum_T chrnum;
  Interval_T interval;
  int nunknowns;
  bool badcharp, allocp;
  
  Uintlist_T oligomers, newoligomers, p;
  Storedoligomer_T oligo;
#ifdef WORDS_BIGENDIAN
  UINT4 high, low, flags;
#endif


  /* Subtract 1 because snps_iit is 1-based */
  first_snppos = Interval_low(intervals[0]) - 1U;
  last_snppos = Interval_low(intervals[nintervals-1]) - 1U;
  debug1(
	 if (nintervals == 1) {
	   printf("Processing snp at chrpos %s:%u\n",divstring,first_snppos+1U);
	 } else {
	   printf("Processing block of %d snps from chrpos %s:%u to %u\n",
		  nintervals,divstring,first_snppos+1U,last_snppos+1U);
	 }
	 );
Example #5
0
static int
translate_contig (unsigned int *genomicstart, unsigned int *genomiclength,
		  char *contig, unsigned int left, unsigned int length, IIT_T contig_iit) {
  int rc = 1, index;
  Interval_T interval;
  
  if ((index = IIT_find_one(contig_iit,contig)) >= 0) {
    interval = IIT_interval(contig_iit,index);
    *genomicstart = Interval_low(interval)+left;
    if (length == 0) {
      *genomiclength = Interval_length(interval)-left;
    } else {
      *genomiclength = length;
    }
    rc = 0;
  }

  return rc;
}
Example #6
0
/* Need to store just the part of the query specified (e.g., 1..10) */
static void
print_interval_runlength (Chrpos_T *lastcoord, char *divstring, Chrpos_T coordstart, Chrpos_T coordend,
			  int indexi, IIT_T iit, bool zeroesp) {
  Interval_T interval;
  char *label;
  bool allocp;
  Chrpos_T chrpos, intervalend;
  int value;

  label = IIT_label(iit,indexi,&allocp);
  value = atoi(label);

  interval = IIT_interval(iit,indexi);
  chrpos = Interval_low(interval);
  intervalend = Interval_high(interval);

  if (zeroesp == true) {
    while (*lastcoord < chrpos) {
      printf("%s\t%u\t%d\n",divstring,*lastcoord,0);
      (*lastcoord)++;
    }
  }

  while (chrpos < coordstart) {
    chrpos++;
  }

  while (chrpos <= intervalend && chrpos <= coordend) {
    printf("%s\t%u\t%d\n",divstring,chrpos,value);
    chrpos++;
  }

  *lastcoord = chrpos;

  if (allocp == true) {
    FREE(label);
  }
  
  return;
}
Example #7
0
/* coordstart used only if centerp or tallyp is true */
static long int
print_interval (Chrpos_T *lastcoord, long int total,
		char *divstring, Chrpos_T coordstart, Chrpos_T coordend, 
		int index, IIT_T iit, int ndivs, int fieldint) {
  Interval_T interval;
  char *label, *annotation, *restofheader;
  bool allocp;

  if (centerp == true) {
    print_interval_centered(divstring,coordstart,index,iit,fieldint);
    return 0;
  } else if (tallyp == true) {
    total += print_interval_tally(&(*lastcoord),divstring,coordstart,coordend,index,iit,zeroesp);
    return total;
  } else if (runlengthp == true) {
    print_interval_runlength(&(*lastcoord),divstring,coordstart,coordend,index,iit,zeroesp);
    return 0;
  }

  if (annotationonlyp == false) {
    label = IIT_label(iit,index,&allocp);
    printf(">%s ",label);
    if (allocp == true) {
      FREE(label);
    }
      
    if (ndivs > 1) {
      if (divstring == NULL) {
	/* For example, if interval was retrieved by label */
	divstring = IIT_divstring_from_index(iit,index);
      }
      printf("%s:",divstring);
    }

    debug(printf("index is %d\n",index));
    interval = IIT_interval(iit,index);
    if (signedp == false) {
      printf("%u..%u",Interval_low(interval),Interval_high(interval));
    } else if (Interval_sign(interval) < 0) {
      printf("%u..%u",Interval_high(interval),Interval_low(interval));
    } else {
      printf("%u..%u",Interval_low(interval),Interval_high(interval));
    }
    if (Interval_type(interval) > 0) {
      printf(" %s",IIT_typestring(iit,Interval_type(interval)));
    }
#if 0
    /* Unnecessary because of "\n" after restofheader below */
    if (IIT_version(iit) < 5) {
      printf("\n");
    }
#endif
  }


  if (fieldint < 0) {
    annotation = IIT_annotation(&restofheader,iit,index,&allocp);
    printf("%s\n",restofheader);
    printf("%s",annotation);
    if (allocp == true) {
      FREE(restofheader);
    }
  } else {
    annotation = IIT_annotation(&restofheader,iit,index,&allocp);
    printf("%s\n",restofheader);
    if (allocp == true) {
      FREE(restofheader);
    }
    annotation = IIT_fieldvalue(iit,index,fieldint);
    printf("%s\n",annotation);
    FREE(annotation);
  }

  return 0;
}
Example #8
0
/* Need to store just the part of the query specified (e.g., 1..10) */
static long int
print_interval_tally (Chrpos_T *lastcoord, char *divstring, Chrpos_T coordstart, Chrpos_T coordend,
		      int indexi, IIT_T iit, bool zeroesp) {
  long int total = 0, subtotal;
  Interval_T interval;
  char *annotation, *restofheader, *ptr, *nextptr;
  bool allocp;
  Chrpos_T chrpos, intervalend;

  annotation = IIT_annotation(&restofheader,iit,indexi,&allocp);

  interval = IIT_interval(iit,indexi);
  chrpos = Interval_low(interval);
  intervalend = Interval_high(interval);

  ptr = annotation;

  if (zeroesp == true) {
    while (*lastcoord < chrpos) {
      if (statsp == false) {
	printf("%s\t%u\t%d\t\n",divstring,*lastcoord,0);
      }
      (*lastcoord)++;
    }
  }

  while (chrpos < coordstart) {
    if ((ptr = index(ptr,'\n')) == NULL) {
      fprintf(stderr,"Premature end of tally from %u to %u\n",
	      Interval_low(interval),Interval_high(interval));
      return total;
    } else {
      ptr++;
    }
    chrpos++;
  }

  while (chrpos <= intervalend && chrpos <= coordend) {
    subtotal = 0;
    nextptr = get_total_tally(&subtotal,ptr);
    if (subtotal > 0 || zeroesp == true) {
      if (statsp == false) {
	printf("%s\t%u\t%ld\t",divstring,chrpos,total);
	print_line(ptr);
	printf("\n");
      }
    }
    total += subtotal;
    ptr = nextptr;
    if ((ptr = index(ptr,'\n')) == NULL) {
      fprintf(stderr,"Premature end of tally from %u to %u\n",
	      Interval_low(interval),Interval_high(interval));
      return total;
    } else {
      ptr++;
    }
    chrpos++;
  }

  *lastcoord = chrpos;

  if (allocp == true) {
    FREE(restofheader);
  }
  
  return total;
}
Example #9
0
/* Need to store just the part of the query specified (e.g., 1..10) */
static void
print_interval_centered (char *divstring, Chrpos_T coordstart, int index, IIT_T iit, int fieldint) {
  Interval_T interval;
  char *label, *annotation, *restofheader, centerchar;
  bool allocp;
  int annotlength, left, centerpos;

  if (fieldint < 0) {
    annotation = IIT_annotation(&restofheader,iit,index,&allocp);
    if (allocp == true) {
      FREE(restofheader);
    }
  } else {
    annotation = IIT_fieldvalue(iit,index,fieldint);
    allocp = true;
  }
  annotlength = strlen(annotation);
  if (annotation[annotlength-1] == '\n') {
    annotlength--;
  }

  interval = IIT_interval(iit,index);
  left = coordstart - Interval_low(interval); /* + length(query) - queryend */
  if (Interval_sign(interval) < 0) {
    centerpos = annotlength-left-1;
  } else {
    centerpos = left;
  }
  centerchar = annotation[centerpos];

  if (centeruc == true && islower(centerchar)) {
    if (fieldint >= 0 && allocp == true) {
      FREE(annotation);
    }
  } else {
    print_spaces(centerlength-left);
    if (Interval_sign(interval) < 0) {
      print_complement(annotation,annotlength-1,centerpos+1);
      printf("[%c]",complCode[(int) centerchar]);
      print_complement(annotation,centerpos-1,0);
    } else {
      print_forward(annotation,0,centerpos-1);
      printf("[%c]",centerchar);
      print_forward(annotation,centerpos+1,annotlength-1);
    }
    print_spaces(centerlength+left-annotlength);
    if (fieldint >= 0 && allocp == true) {
      FREE(annotation);
    }
  
    printf("\t");
    if (Interval_type(interval) > 0) {
      printf("%s\t",IIT_typestring(iit,Interval_type(interval)));
    }

    if (divstring != NULL) {
      if (Interval_sign(interval) < 0) {
	printf("-%s:",divstring);
      } else {
	printf("+%s:",divstring);
      }
    }

    if (signedp == false) {
      printf("%u..%u",Interval_low(interval),Interval_high(interval));
    } else if (Interval_sign(interval) < 0) {
      printf("%u..%u",Interval_high(interval),Interval_low(interval));
    } else {
      printf("%u..%u",Interval_low(interval),Interval_high(interval));
    }
    printf("\t");

    label = IIT_label(iit,index,&allocp);
    printf("%s",label);
    if (allocp == true) {
      FREE(label);
    }
    printf("\n");
  }

  return;
}
Example #10
0
bool
Parserange_universal_iit (char **div, bool *revcomp,
			  Genomicpos_T *genomicstart, Genomicpos_T *genomiclength,
			  Genomicpos_T *chrstart, Genomicpos_T *chrend,
			  Genomicpos_T *chroffset, Genomicpos_T *chrlength,
			  char *query, IIT_T chromosome_iit, IIT_T contig_iit) {
  char *coords;
  Genomicpos_T result, left, length;
  Interval_T interval;
  int theindex;
  int rc;
  
  *revcomp = false;
  if (index(query,':')) {
    /* Segment must be a genome, chromosome, or contig */
    debug(printf("Parsed query %s into ",query));
    *div = strtok(query,":");
    if ((*div)[0] == '+') {
      *revcomp = false;
      *div = &((*div)[1]);
    } else if ((*div)[0] == '_') {
      *revcomp = true;
      *div = &((*div)[1]);
    }
    coords = strtok(NULL,":");
    debug(printf("segment %s and coords %s\n",*div,coords));


    debug(printf("Interpreting segment %s as a chromosome\n",*div));
    if (coords == NULL) {
      debug(printf("  entire chromosome\n"));
      rc = translate_chromosomepos_universal(&(*genomicstart),&(*genomiclength),*div,left=0,length=0,chromosome_iit);
    } else if (isnumberp(&result,coords)) {
      debug(printf("  and coords %s as a number\n",coords));
      rc = translate_chromosomepos_universal(&(*genomicstart),&(*genomiclength),*div,left=result-1,length=1,chromosome_iit);
    } else if (isrange(&left,&length,&(*revcomp),coords)) {
      debug(printf("  and coords %s as a range starting at %u with length %u and revcomp = %d\n",
		   coords,left,length,*revcomp));
      rc = translate_chromosomepos_universal(&(*genomicstart),&(*genomiclength),*div,left,length,chromosome_iit);
    } else {
      debug(printf("  but coords %s is neither a number nor a range\n",coords));
      rc = -1;
    }

    /* Compute chromosomal coordinates */
    *chrstart = left;
    *chrend = *chrstart + *genomiclength;
    *chrstart += 1U;		/* Make 1-based */

    /* Get chromosomal information */
    if ((theindex = IIT_find_one(chromosome_iit,*div)) < 0) {
      fprintf(stderr,"Cannot find chromosome %s in chromosome IIT file\n",*div);
      /* exit(9); */
    } else {
      interval = IIT_interval(chromosome_iit,theindex);
      *chroffset = Interval_low(interval);
      *chrlength = Interval_length(interval);
    }

    if (rc != 0) {
      /* Try contig */
      debug(printf("Interpreting segment %s as a contig\n",*div));
      if (isnumberp(&result,coords)) {
	debug(printf("  and coords %s as a number\n",coords));
	rc = translate_contig(&(*genomicstart),&(*genomiclength),*div,left=result-1,length=1,contig_iit);
      } else if (isrange(&left,&length,&(*revcomp),coords)) {
	debug(printf("  and coords %s as a range starting at %u with length %u and revcomp = %d\n",
		     coords,left,length,*revcomp));
	rc = translate_contig(&(*genomicstart),&(*genomiclength),*div,left,length,contig_iit);
      } else {
	debug(printf("  but coords %s is neither a number nor a range\n",coords));
	rc = -1;
      }
    }

    if (rc != 0) {
      fprintf(stderr,"Can't find coordinates %s:%s\n",*div,coords);
      return false;
    } else {
      return true;
    }

  } else {
    /* Query must be a genomic position, genomic range, or contig */
    *chrstart = *chroffset = *chrlength = 0;

    debug(printf("Parsed query %s as atomic ",query));
    if (isnumberp(&result,query)) {
      debug(printf("number\n"));
      *genomicstart = result-1;
      *genomiclength = 1;

    } else if (isrange(&left,&length,&(*revcomp),query)) {
      debug(printf("range\n"));
      *genomicstart = left;
      *genomiclength = length;

    } else {

      debug(printf("contig\n"));
      return false;
#if 0
      rc = translate_contig(&(*genomicstart),&(*genomiclength),query,left=0,length=0,contig_iit);
      IIT_free(&contig_iit);
#endif
    }

    *div = convert_to_chrpos_iit(&(*chrstart),chromosome_iit,*genomicstart);
    *chrend = *chrstart + *genomiclength;
    *chrstart += 1U;		/* Make 1-based */

    /* Try chromosome first */
    if ((theindex = IIT_find_one(chromosome_iit,*div)) < 0) {
      fprintf(stderr,"Cannot find chromosome %s in chromosome IIT file\n",*div);
      return false;
    } else {
      interval = IIT_interval(chromosome_iit,theindex);
      *chroffset = Interval_low(interval);
      *chrlength = Interval_length(interval);
      return true;
    }
  }
}
Example #11
0
bool
Parserange_universal (char **div, bool *revcomp,
		      Genomicpos_T *genomicstart, Genomicpos_T *genomiclength,
		      Genomicpos_T *chrstart, Genomicpos_T *chrend,
		      Genomicpos_T *chroffset, Genomicpos_T *chrlength,
		      char *query, char *genomesubdir, char *fileroot) {
  char *coords, *filename;
  Genomicpos_T result, left, length;
  IIT_T chromosome_iit, contig_iit;
  Interval_T interval;
  int theindex;
  int rc;
  
  *revcomp = false;
  if (index(query,':')) {
    /* Segment must be a genome, chromosome, or contig */
    debug(printf("Parsed query %s into ",query));
    *div = strtok(query,":");
    if ((*div)[0] == '+') {
      *revcomp = false;
      *div = &((*div)[1]);
    } else if ((*div)[0] == '_') {
      *revcomp = true;
      *div = &((*div)[1]);
    }
    coords = strtok(NULL,":");
    debug(printf("segment %s and coords %s\n",*div,coords));

    /* Try chromosome first */
    filename = (char *) CALLOC(strlen(genomesubdir)+strlen("/")+strlen(fileroot)+
			       strlen(".chromosome.iit")+1,sizeof(char));
    sprintf(filename,"%s/%s.chromosome.iit",genomesubdir,fileroot);
    chromosome_iit = IIT_read(filename,/*name*/NULL,/*readonlyp*/true,/*divread*/READ_ALL,
			      /*divstring*/NULL,/*add_iit_p*/false,/*labels_read_p*/true);
    FREE(filename);

    debug(printf("Interpreting segment %s as a chromosome\n",*div));
    if (coords == NULL) {
      debug(printf("  entire chromosome\n"));
      rc = translate_chromosomepos_universal(&(*genomicstart),&(*genomiclength),*div,left=0,length=0,chromosome_iit);
    } else if (isnumberp(&result,coords)) {
      debug(printf("  and coords %s as a number\n",coords));
      rc = translate_chromosomepos_universal(&(*genomicstart),&(*genomiclength),*div,left=result-1,length=1,chromosome_iit);
    } else if (isrange(&left,&length,&(*revcomp),coords)) {
      debug(printf("  and coords %s as a range starting at %u with length %u and revcomp = %d\n",
		   coords,left,length,*revcomp));
      rc = translate_chromosomepos_universal(&(*genomicstart),&(*genomiclength),*div,left,length,chromosome_iit);
    } else {
      debug(printf("  but coords %s is neither a number nor a range\n",coords));
      rc = -1;
    }

    /* Compute chromosomal coordinates */
    *chrstart = left;
    *chrend = *chrstart + *genomiclength;
    *chrstart += 1U;		/* Make 1-based */

    /* Get chromosomal information */
    if ((theindex = IIT_find_one(chromosome_iit,*div)) < 0) {
      fprintf(stderr,"Cannot find chromosome %s in chromosome IIT file\n",*div);
      /* exit(9); */
    } else {
      interval = IIT_interval(chromosome_iit,theindex);
      *chroffset = Interval_low(interval);
      *chrlength = Interval_length(interval);
    }

    IIT_free(&chromosome_iit);

#if 0
    /* Contig IIT's are of type 1, which require some work to compute
       on current div-based scheme.  Just abandoning for now. */
    if (rc != 0) {
      /* Try contig */
      filename = (char *) CALLOC(strlen(genomesubdir)+strlen("/")+strlen(fileroot)+
				 strlen(".contig.iit")+1,sizeof(char));
      sprintf(filename,"%s/%s.contig.iit",genomesubdir,fileroot);
      contig_iit = IIT_read(filename,/*name*/NULL,/*readonlyp*/true,/*divread*/READ_ALL,
			    /*divstring*/NULL,/*add_iit_p*/false,/*labels_read_p*/true);
      FREE(filename);

      debug(printf("Interpreting segment %s as a contig\n",*div));
      if (coords == NULL) {
	debug(printf("  entire contig\n"));
	rc = translate_contig_universal(&(*genomicstart),&(*genomiclength),*div,left=0,length=0,chromosome_iit);
      } else if (isnumberp(&result,coords)) {
	debug(printf("  and coords %s as a number\n",coords));
	rc = translate_contig(&(*genomicstart),&(*genomiclength),*div,left=result-1,length=1,contig_iit);
      } else if (isrange(&left,&length,&(*revcomp),coords)) {
	debug(printf("  and coords %s as a range starting at %u with length %u and revcomp = %d\n",
		     coords,left,length,*revcomp));
	rc = translate_contig(&(*genomicstart),&(*genomiclength),*div,left,length,contig_iit);
      } else {
	debug(printf("  but coords %s is neither a number nor a range\n",coords));
	rc = -1;
      }

      IIT_free(&contig_iit);
    }
#endif

    if (rc != 0) {
      fprintf(stderr,"Can't find coordinates %s:%s\n",*div,coords);
      return false;
    } else {
      return true;
    }

  } else {
    /* Query must be a genomic position, genomic range, or contig */
    *chrstart = *chroffset = *chrlength = 0;

    debug(printf("Parsed query %s as atomic ",query));
    if (isnumberp(&result,query)) {
      debug(printf("number\n"));
      *genomicstart = result-1;
      *genomiclength = 1;

    } else if (isrange(&left,&length,&(*revcomp),query)) {
      debug(printf("range\n"));
      *genomicstart = left;
      *genomiclength = length;

    } else {

      debug(printf("contig\n"));
      return false;
#if 0
      filename = (char *) CALLOC(strlen(genomesubdir)+strlen("/")+strlen(fileroot)+
				 strlen(".contig.iit")+1,sizeof(char));
      sprintf(filename,"%s/%s.contig.iit",genomesubdir,fileroot);
      contig_iit = IIT_read(filename,/*name*/NULL,/*readonlyp*/true,/*divread*/READ_ALL,
			    /*divstring*/NULL,/*add_iit_p*/false,/*labels_read_p*/true);
      FREE(filename);

      rc = translate_contig(&(*genomicstart),&(*genomiclength),query,left=0,length=0,contig_iit);
      IIT_free(&contig_iit);
#endif
    }

    *div = convert_to_chrpos(&(*chrstart),genomesubdir,fileroot,*genomicstart);
    *chrend = *chrstart + *genomiclength;
    *chrstart += 1U;		/* Make 1-based */

    /* Try chromosome first */
    filename = (char *) CALLOC(strlen(genomesubdir)+strlen("/")+strlen(fileroot)+
			       strlen(".chromosome.iit")+1,sizeof(char));
    sprintf(filename,"%s/%s.chromosome.iit",genomesubdir,fileroot);
    chromosome_iit = IIT_read(filename,/*name*/NULL,/*readonlyp*/true,/*divread*/READ_ALL,
			      /*divstring*/NULL,/*add_iit_p*/false,/*labels_read_p*/true);
    FREE(filename);

    if ((theindex = IIT_find_one(chromosome_iit,*div)) < 0) {
      fprintf(stderr,"Cannot find chromosome %s in chromosome IIT file\n",*div);
      IIT_free(&chromosome_iit);
      return false;
    } else {
      interval = IIT_interval(chromosome_iit,theindex);
      *chroffset = Interval_low(interval);
      *chrlength = Interval_length(interval);
      IIT_free(&chromosome_iit);
      return true;
    }
  }
}