zzh
/
gatk-3.8
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

transition to JEXL completed, old parameters setting individual cutoffs now deprecated

This commit is contained in:
Andrey Sivachenko 2012-03-07 18:34:11 -05:00
parent fbd2f04a04
commit 497a1b059e
1 changed files with 90 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

155
public/java/src/org/broadinstitute/sting/gatk/walkers/indels/SomaticIndelDetectorWalker.java
View File

@ -151,30 +151,44 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
doc="Lightweight bed output file (only positions and events, no stats/annotations)", required=false)
java.io.File bedOutput = null;
@Deprecated
@Argument(fullName="minCoverage", shortName="minCoverage",
doc="indel calls will be made only at sites with tumor coverage of minCoverage or more reads; "+
"with --unpaired (single sample) option, this value is used for minimum sample coverage", required=false)
"with --unpaired (single sample) option, this value is used for minimum sample coverage. "+
"INSTEAD USE: T_COV<cutoff (or COV<cutoff in unpaired mode) in -filter expression (see -filter).",
required=false)
int minCoverage = 6;
@Deprecated
@Argument(fullName="minNormalCoverage", shortName="minNormalCoverage",
doc="used only in default (somatic) mode; normal sample must have at least minNormalCoverage "+
"or more reads at the site to call germline/somatic indel, otherwise the indel (in tumor) is ignored", required=false)
"or more reads at the site to call germline/somatic indel, otherwise the indel (in tumor) is ignored. "+
"INSTEAD USE: N_COV<cutoff in -filter expression (see -filter).", required=false)
int minNormalCoverage = 4;
@Deprecated
@Argument(fullName="minFraction", shortName="minFraction",
doc="Minimum fraction of reads with CONSENSUS indel at a site, out of all reads covering the site, required for making a call"+
" (fraction of non-consensus indels at the site is not considered here, see minConsensusFraction)", required=false)
doc="Minimum fraction of reads with CONSENSUS indel at a site, out of all reads covering the site, "+
"required for making a call"+
" (fraction of non-consensus indels at the site is not considered here, see minConsensusFraction). "+
"INSTEAD USE: T_INDEL_F<cutoff (or INDEL_F<cutoff in unpaired mode) in -filter expression "+
"(see -filter).", required=false)
double minFraction = 0.3;
@Deprecated
@Argument(fullName="minConsensusFraction", shortName="minConsensusFraction",
doc="Indel call is made only if fraction of CONSENSUS indel observations at a site wrt "+
"all indel observations at the site exceeds this threshold", required=false)
"all indel observations at the site exceeds this threshold. "+
"INSTEAD USE: T_INDEL_CF<cutoff (or INDEL_CF<cutoff in unpaired mode) in -filter expression "+
"(see -filter).", required=false)
double minConsensusFraction = 0.7;
@Deprecated
@Argument(fullName="minIndelCount", shortName="minCnt",
doc="Minimum count of reads supporting consensus indel required for making the call. "+
" This filter supercedes minFraction, i.e. indels with acceptable minFraction at low coverage "+
"(minIndelCount not met) will not pass.", required=false)
"(minIndelCount not met) will not pass. INSTEAD USE: T_CONS_CNT<cutoff "+
"(or CONS_CNT<cutoff in unpaired mode) in -filter expression (see -filter).", required=false)
int minIndelCount = 0;
@Argument(fullName="refseq", shortName="refseq",
@ -183,7 +197,10 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
String RefseqFileName = null;
@Argument(shortName="filter", doc="One or more criteria to use when selecting the data", required=false)
@Argument(shortName="filter", doc="One or more logical expressions. If any of the expressions is TRUE, " +
"putative indel will be discarded and nothing will be printed into the output (unless genotyping "+
"at the specific position is explicitly requested, see -genotype). "+
"Default: T_COV<6||N_COV<4||T_INDEL_F<0.3||T_INDEL_CF<0.7", required=false)
public ArrayList<String> FILTER_EXPRESSIONS = new ArrayList<String>();
//@Argument(fullName="blacklistedLanes", shortName="BL",
@ -425,6 +442,13 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
refData = new ReferenceDataSource(getToolkit().getArguments().referenceFile);
// Now initialize JEXL expressions:
if ( FILTER_EXPRESSIONS.size() == 0 ) {
if ( call_unpaired ) {
FILTER_EXPRESSIONS.add("COV<6||INDEL_F<0.3||INDEL_CF<0.7");
} else {
FILTER_EXPRESSIONS.add("T_COV<6||N_COV<4||T_INDEL_F<0.3||T_INDEL_CF<0.7");
}
}
for ( String s : FILTER_EXPRESSIONS ) {
try {
Expression e = jexlEngine.createExpression(s);
@ -706,14 +730,26 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
if ( normal_context.indelsAt(pos).size() == 0 && ! genotype ) continue;
IndelPrecall normalCall = new IndelPrecall(normal_context,pos,NQS_WIDTH);
JexlContext jc = new MapContext();
normalCall.fillContext(jc,singleMetricsCassette);
boolean discard_event = false;
if ( normalCall.getCoverage() < minCoverage && ! genotype ) {
if ( DEBUG ) {
System.out.println("DEBUG>> Indel at "+pos+"; coverare in normal="+normalCall.getCoverage()+" (SKIPPED)");
}
continue; // low coverage
for ( Expression e : jexlExpressions ) {
if ( ((Boolean)e.evaluate(jc)).booleanValue() ) { discard_event=true; break; }
}
if ( discard_event && ! genotype ) {
normal_context.indelsAt(pos).clear();
continue; //*
}
// if ( normalCall.getCoverage() < minCoverage && ! genotype ) {
// if ( DEBUG ) {
// System.out.println("DEBUG>> Indel at "+pos+"; coverare in normal="+normalCall.getCoverage()+" (SKIPPED)");
// }
// continue; // low coverage
// }
if ( DEBUG ) System.out.println("DEBUG>> "+(normalCall.getAllVariantCount() == 0?"No Indel":"Indel")+" at "+pos);
long left = Math.max( pos-NQS_WIDTH, normal_context.getStart() );
@ -742,24 +778,16 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
location = getToolkit().getGenomeLocParser().createGenomeLoc(location.getContig(), pos);
boolean haveCall = normalCall.isCall(); // cache the value
if ( haveCall || genotype) {
if ( haveCall ) normalCallsMade++;
printVCFLine(vcf_writer,normalCall);
if ( bedWriter != null ) normalCall.printBedLine(bedWriter);
if ( verboseWriter != null ) printVerboseLine(verboseWriter, normalCall);
lastGenotypedPosition = pos;
}
if ( ! discard_event ) normalCallsMade++;
printVCFLine(vcf_writer,normalCall, discard_event);
if ( bedWriter != null ) normalCall.printBedLine(bedWriter);
if ( verboseWriter != null ) printVerboseLine(verboseWriter, normalCall, discard_event);
lastGenotypedPosition = pos;
normal_context.indelsAt(pos).clear();
// we dealt with this indel; don't want to see it again
// (we might otherwise in the case when 1) there is another indel that follows
// within MISMATCH_WIDTH bases and 2) we'd need to wait for more coverage for that next indel)
// for ( IndelVariant var : variants ) {
// System.out.print("\t"+var.getType()+"\t"+var.getBases()+"\t"+var.getCount());
// }
}
if ( DEBUG ) System.out.println("DEBUG>> Actual shift to " + move_to + " ("+adjustedPosition+")");
@ -877,24 +905,29 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
JexlContext jc = new MapContext();
tumorCall.fillContext(jc,tumorMetricsCassette);
normalCall.fillContext(jc,normalMetricsCassette);
boolean result = false;
boolean discard_event = false;
for ( Expression e : jexlExpressions ) {
if ( ((Boolean)e.evaluate(jc)).booleanValue() ) { result=true; break; }
if ( ((Boolean)e.evaluate(jc)).booleanValue() ) { discard_event=true; break; }
}
if ( tumorCall.getCoverage() < minCoverage && ! genotype ) {
if ( DEBUG ) {
System.out.println("DEBUG>> Indel in tumor at "+pos+"; coverare in tumor="+tumorCall.getCoverage()+" (SKIPPED)");
}
continue; // low coverage
}
if ( normalCall.getCoverage() < minNormalCoverage && ! genotype ) {
if ( DEBUG ) {
System.out.println("DEBUG>> Indel in tumor at "+pos+"; coverare in normal="+normalCall.getCoverage()+" (SKIPPED)");
}
continue; // low coverage
if ( discard_event && ! genotype ) {
tumor_context.indelsAt(pos).clear();
normal_context.indelsAt(pos).clear();
continue; //*
}
// if ( tumorCall.getCoverage() < minCoverage && ! genotype ) {
// if ( DEBUG ) {
// System.out.println("DEBUG>> Indel in tumor at "+pos+"; coverare in tumor="+tumorCall.getCoverage()+" (SKIPPED)");
// }
// continue; // low coverage
// }
// if ( normalCall.getCoverage() < minNormalCoverage && ! genotype ) {
// if ( DEBUG ) {
// System.out.println("DEBUG>> Indel in tumor at "+pos+"; coverare in normal="+normalCall.getCoverage()+" (SKIPPED)");
// }
// continue; // low coverage
// }
if ( DEBUG ) {
System.out.print("DEBUG>> "+(tumorCall.getAllVariantCount() == 0?"No Indel":"Indel")+" in tumor, ");
@ -922,32 +955,24 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
if ( right > tumor_context.getStop() ) right = tumor_context.getStop(); // if indel is too close to the end of the window but we need to emit anyway (force-shift), adjust right
// location = getToolkit().getGenomeLocParser().setStart(location,pos);
// location = getToolkit().getGenomeLocParser().setStop(location,pos); // retrieve annotation data
location = getToolkit().getGenomeLocParser().createGenomeLoc(location.getContig(),pos); // retrieve annotation data
boolean haveCall = tumorCall.isCall(); // cache the value
// boolean haveCall = tumorCall.isCall(); // cache the value
if ( haveCall || genotype ) {
if ( haveCall ) tumorCallsMade++;
if ( ! discard_event ) tumorCallsMade++;
printVCFLine(vcf_writer,normalCall,tumorCall);
printVCFLine(vcf_writer,normalCall,tumorCall,discard_event);
if ( bedWriter != null ) tumorCall.printBedLine(bedWriter);
if ( bedWriter != null ) tumorCall.printBedLine(bedWriter);
if ( verboseWriter != null ) printVerboseLine(verboseWriter, normalCall, tumorCall, discard_event );
lastGenotypedPosition = pos;
if ( verboseWriter != null ) printVerboseLine(verboseWriter, normalCall, tumorCall );
lastGenotypedPosition = pos;
}
tumor_context.indelsAt(pos).clear();
normal_context.indelsAt(pos).clear();
// we dealt with this indel; don't want to see it again
// (we might otherwise in the case when 1) there is another indel that follows
// within MISMATCH_WIDTH bases and 2) we'd need to wait for more coverage for that next indel)
// for ( IndelVariant var : variants ) {
// System.out.print("\t"+var.getType()+"\t"+var.getBases()+"\t"+var.getCount());
// }
}
if ( DEBUG ) System.out.println("DEBUG>> Actual shift to " + move_to + " ("+adjustedPosition+")");
@ -1001,14 +1026,14 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
}
public void printVerboseLine(Writer verboseWriter, IndelPrecall normalCall) {
public void printVerboseLine(Writer verboseWriter, IndelPrecall normalCall, boolean discard_event) {
RODRecordList annotationList = (refseqIterator == null ? null : refseqIterator.seekForward(location));
String annotationString = (refseqIterator == null ? "" : getAnnotationString(annotationList));
StringBuilder fullRecord = new StringBuilder();
fullRecord.append(makeFullRecord(normalCall));
fullRecord.append(annotationString);
if ( ! normalCall.isCall() && normalCall.getVariant() != null ) fullRecord.append("\tFILTERED_NOCALL");
if ( discard_event && normalCall.getVariant() != null ) fullRecord.append("\tFILTERED_NOCALL");
try {
verboseWriter.write(fullRecord.toString());
verboseWriter.write('\n');
@ -1019,7 +1044,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
}
public void printVerboseLine(Writer verboseWriter, IndelPrecall normalCall, IndelPrecall tumorCall) {
public void printVerboseLine(Writer verboseWriter, IndelPrecall normalCall, IndelPrecall tumorCall, boolean discard_event) {
RODRecordList annotationList = (refseqIterator == null ? null : refseqIterator.seekForward(location));
String annotationString = (refseqIterator == null ? "" : getAnnotationString(annotationList));
@ -1067,7 +1092,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
fullRecord.append('\t');
fullRecord.append(annotationString);
if ( ! tumorCall.isCall() && tumorCall.getVariant() != null ) fullRecord.append("\tFILTERED_NOCALL");
if ( discard_event && tumorCall.getVariant() != null ) fullRecord.append("\tFILTERED_NOCALL");
try {
verboseWriter.write(fullRecord.toString());
@ -1077,7 +1102,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
}
}
public void printVCFLine(VCFWriter vcf, IndelPrecall call) {
public void printVCFLine(VCFWriter vcf, IndelPrecall call, boolean discard_event) {
long start = call.getPosition()-1;
// If the beginning of the chromosome is deleted (possible, however unlikely), it's unclear how to proceed.
@ -1114,14 +1139,14 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
Map<String,Object> attrs = call.makeStatsAttributes(null);
if ( call.isCall() ) // we made a call - put actual het genotype here:
if ( ! discard_event ) // we made a call - put actual het genotype here:
genotypes.add(new Genotype(sample,alleles,Genotype.NO_LOG10_PERROR,null,attrs,false));
else // no call: genotype is ref/ref (but alleles still contain the alt if we observed anything at all)
genotypes.add(new Genotype(sample, homref_alleles,Genotype.NO_LOG10_PERROR,null,attrs,false));
}
Set<String> filters = null;
if ( call.getVariant() != null && ! call.isCall() ) {
if ( call.getVariant() != null && discard_event ) {
filters = new HashSet<String>();
filters.add("NoCall");
}
@ -1149,7 +1174,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
}
}
public void printVCFLine(VCFWriter vcf, IndelPrecall nCall, IndelPrecall tCall) {
public void printVCFLine(VCFWriter vcf, IndelPrecall nCall, IndelPrecall tCall, boolean discard_event) {
long start = tCall.getPosition()-1;
long stop = start;
@ -1166,7 +1191,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
Map<String,Object> attrs = new HashMap();
boolean isSomatic = false;
if ( nCall.getCoverage() >= minNormalCoverage && nCall.getVariant() == null && tCall.getVariant() != null ) {
if ( nCall.getVariant() == null && tCall.getVariant() != null ) {
isSomatic = true;
attrs.put(VCFConstants.SOMATIC_KEY,true);
}
@ -1209,7 +1234,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
}
Set<String> filters = null;
if ( tCall.getVariant() != null && ! tCall.isCall() ) {
if ( tCall.getVariant() != null && discard_event ) {
filters = new HashSet<String>();
filters.add("NoCall");
}
@ -1662,7 +1687,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
context.set(cassette[C_COV],total_coverage);
context.set(cassette[C_CONS_CNT],consensus_indel_count);
}
/*
public boolean isCall() {
boolean ret = ( consensus_indel_count >= minIndelCount &&
(double)consensus_indel_count > minFraction * total_coverage &&
@ -1675,7 +1700,7 @@ public class SomaticIndelDetectorWalker extends ReadWalker<Integer,Integer> {
return ret;
// return true;
}
*/
/** Utility method: finds the indel variant with the largest count (ie consensus) among all the observed
* variants, and sets the counts of consensus observations and all observations of any indels (including non-consensus)
* @param variants