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Fix for JIRA GSA-598: AD field not handled properly by CombineVariants. It was also not handled by SelectVariants either. We now strip the AD field out whenever combining/selecting makes it invalid due to a changing of the number of ALT alleles.

This commit is contained in:
Eric Banks 2012-10-06 23:02:36 -04:00
parent bfc551f612
commit e7798ddd2a
3 changed files with 8 additions and 11 deletions
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4
public/java/src/org/broadinstitute/sting/gatk/walkers/variantutils/SelectVariants.java
View File

@ -701,9 +701,9 @@ public class SelectVariants extends RodWalker<Integer, Integer> implements TreeR
GenotypesContext newGC = sub.getGenotypes();
// if we have fewer alternate alleles in the selected VC than in the original VC, we need to strip out the GL/PLs (because they are no longer accurate)
// if we have fewer alternate alleles in the selected VC than in the original VC, we need to strip out the GL/PLs and AD (because they are no longer accurate)
if ( vc.getAlleles().size() != sub.getAlleles().size() )
newGC = VariantContextUtils.stripPLs(sub.getGenotypes());
newGC = VariantContextUtils.stripPLsAndAD(sub.getGenotypes());
// if we have fewer samples in the selected VC than in the original VC, we need to strip out the MLE tags
if ( vc.getNSamples() != sub.getNSamples() ) {

13
public/java/src/org/broadinstitute/sting/utils/variantcontext/VariantContextUtils.java
View File

@ -157,11 +157,8 @@ public class VariantContextUtils {
builder.attributes(calculateChromosomeCounts(vc, new HashMap<String, Object>(vc.getAttributes()), removeStaleValues, founderIds));
}
public static Genotype removePLs(Genotype g) {
if ( g.hasLikelihoods() )
return new GenotypeBuilder(g).noPL().make();
else
return g;
public static Genotype removePLsAndAD(final Genotype g) {
return ( g.hasLikelihoods() || g.hasAD() ) ? new GenotypeBuilder(g).noPL().noAD().make() : g;
}
public final static VCFCompoundHeaderLine getMetaDataForField(final VCFHeader header, final String field) {
@ -581,7 +578,7 @@ public class VariantContextUtils {
if ( ! genotypes.isEmpty() )
logger.debug(String.format("Stripping PLs at %s due incompatible alleles merged=%s vs. single=%s",
genomeLocParser.createGenomeLoc(vc), alleles, vc.alleles));
genotypes = stripPLs(genotypes);
genotypes = stripPLsAndAD(genotypes);
// this will remove stale AC,AF attributed from vc
calculateChromosomeCounts(vc, attributes, true);
break;
@ -672,11 +669,11 @@ public class VariantContextUtils {
return true;
}
public static GenotypesContext stripPLs(GenotypesContext genotypes) {
public static GenotypesContext stripPLsAndAD(GenotypesContext genotypes) {
GenotypesContext newGs = GenotypesContext.create(genotypes.size());
for ( final Genotype g : genotypes ) {
newGs.add(g.hasLikelihoods() ? removePLs(g) : g);
newGs.add(removePLsAndAD(g));
}
return newGs;

2
public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/SelectVariantsIntegrationTest.java
View File

@ -255,7 +255,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
WalkerTestSpec spec = new WalkerTestSpec(
"-T SelectVariants -R " + b37KGReference + " -o %s --no_cmdline_in_header -sf " + samplesFile + " --excludeNonVariants --variant " + testfile,
1,
Arrays.asList("3ab35d5e81a29fb5db3e2add11c7e823")
Arrays.asList("f14d75892b99547d8e9ba3a03bfb04ea")
);
executeTest("test select from multi allelic with excludeNonVariants --" + testfile, spec);
}