474b9ac55dcb8e3c4cc56b00d52bd210b7989038 markd Thu Mar 7 22:59:45 2024 -0800 create PSLs for supplementary alignments that correct represent the query alignment. RM: 33209 diff --git src/utils/bamToPsl/bamToPsl.c src/utils/bamToPsl/bamToPsl.c index 09cc543..7c3fc94 100644 --- src/utils/bamToPsl/bamToPsl.c +++ src/utils/bamToPsl/bamToPsl.c @@ -1,171 +1,173 @@ /* bamToPsl - Convert a bam file to a psl and optionally also a fasta file that contains the reads.. */ #include "common.h" #include "linefile.h" #include "hash.h" #include "options.h" #include "bamFile.h" #include "psl.h" #include "fa.h" #include "net.h" void usage() /* Explain usage and exit. */ { errAbort( "bamToPsl - Convert a bam file to a psl and optionally also a fasta file that contains the reads.\n" "usage:\n" " bamToPsl [options] in.bam out.psl\n" "options:\n" " -fasta=output.fa - output query sequences to specified file\n" " -chromAlias=file - specify a two-column file: 1: alias, 2: other name\n" " for target name translation from column 1 name to column 2 name\n" " names not found are passed through intact\n" " -nohead - do not output the PSL header, default has header output\n" " -dots=N - output progress dot(.) every N alignments processed\n" "\n" "Note: a chromAlias file can be obtained from a UCSC database, e.g.:\n" " hgsql -N -e 'select alias,chrom from chromAlias;' hg38 > hg38.chromAlias.tab\n" " Or from the downloads server:\n" " wget https://hgdownload.soe.ucsc.edu/goldenPath/hg38/database/chromAlias.txt.gz\n" "See also our tool chromToUcsc\n" ); } /* Command line validation table. */ static struct optionSpec options[] = { {"fasta", OPTION_STRING}, {"chromAlias", OPTION_STRING}, {"nohead", OPTION_BOOLEAN}, {"allowDups", OPTION_BOOLEAN}, {"noSequenceVerify", OPTION_BOOLEAN}, {"dots", OPTION_INT}, {"querySizes", OPTION_STRING}, {NULL, 0}, }; static int dots = 0; static boolean nohead = FALSE; static struct hash *hashChromAlias(char *fileName) /* Read two column file into hash keyed by first column */ { struct hash *hash = hashNew(0); struct lineFile *lf = netLineFileOpen(fileName); char *row[2]; while (lineFileRow(lf, row)) hashAdd(hash, row[0], cloneString(row[1])); lineFileClose(&lf); return hash; } static void convertToPsl(bam1_t *aln, bam_header_t *head, struct hash *chromAlias, FILE *f) /* convert one alignment to a psl */ { -struct psl *psl = bamToPslUnscored(aln, head); +// includes hard masked in PSL so that supplementary alignments create PSLs that reflect the +// entire query +struct psl *psl = bamToPslUnscored2(aln, head, TRUE); if (psl != NULL) { if (chromAlias) { struct hashEl *hel = NULL; if ((hel = hashLookup(chromAlias, psl->tName)) != NULL) psl->tName = cloneString((char *)hel->val); /* memory leak */ } pslTabOut(psl, f); /* no free of this psl data, memory leak */ pslFree(&psl); } } static void convertToFasta(bam1_t *aln, struct hash *fastaDoneSeqs, FILE *faF) /* output a FASTA record of the query sequence */ { char *dna = bamGetQuerySequence(aln, TRUE); char *qName = bam1_qname(aln); if (hashLookup(fastaDoneSeqs, qName) == NULL) // first seen { hashAddInt(fastaDoneSeqs, qName, TRUE); faWriteNext(faF, qName, dna, strlen(dna)); } freez(&dna); } static void bamToPsl(char *inBam, char *outPsl, char *outFasta, char *aliasFile) /* bamToPsl - Convert a bam file to a psl and optionally also a fasta file that contains the reads.. */ { unsigned long long processCount = 0; samfile_t *in = bamMustOpenLocal(inBam, "rb", NULL); bam_header_t *head = sam_hdr_read(in); if (head == NULL) errAbort("Aborting ... bad BAM header in %s", inBam); /* Open up psl output and write header (if allowed). */ FILE *f = mustOpen(outPsl, "w"); if (! nohead) pslWriteHead(f); /* Optionally use alias file */ struct hash *chromAlias = NULL; /* initialize later if needed */ if (aliasFile != NULL) chromAlias = hashChromAlias(aliasFile); /* Optionally open up fasta output */ struct hash *fastaDoneSeqs = NULL; // avoids duplicates FILE *faF = NULL; if (outFasta != NULL) { faF = mustOpen(outFasta, "w"); fastaDoneSeqs = hashNew(20); } bam1_t one; ZeroVar(&one); // This seems to be necessary! /* Write next sequence to fa file. */ for (;;) { if (sam_read1(in, head, &one) < 0) { break; } if (one.core.n_cigar != 0) { convertToPsl(&one, head, chromAlias, f); } if ((faF != NULL) && ((one.core.flag & BAM_FSUPPLEMENTARY) == 0)) { // supplementary are not include as they don't have full sequence convertToFasta(&one, fastaDoneSeqs, faF); } ++processCount; if (dots) if (0 == processCount % dots) verbose(1,"."); } if (dots) verbose(1,"\n"); samclose(in); carefulClose(&f); carefulClose(&faF); } int main(int argc, char *argv[]) /* Process command line. */ { optionInit(&argc, argv, options); if (argc != 3) usage(); char *fastaName = optionVal("fasta", NULL); char *aliasFile = optionVal("chromAlias", NULL); dots = optionInt("dots", dots); nohead = optionExists("nohead"); if (optionExists("allowDups")) fprintf(stderr, "Note: -allowDups is obsolete and ignored"); if (optionExists("noSequenceVerify")) fprintf(stderr, "Note: -noSequenceVerify is obsolete and ignored"); if (optionExists("querySizes")) fprintf(stderr, "Note: -querySizes is obsolete and ignored"); bamToPsl(argv[1], argv[2], fastaName, aliasFile); return 0; }