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Can optionally process raw or corrected intensities. 

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@349 348d0f76-0448-11de-a6fe-93d51630548a
This commit is contained in:
kiran 2009-04-09 20:50:11 +00:00
parent 6cdad10dd1
commit b7a2e82b46
1 changed files with 31 additions and 12 deletions
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43
java/src/org/broadinstitute/sting/playground/fourbasecaller/FourBaseRecaller.java
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@ -7,6 +7,10 @@ import java.io.PrintWriter;
import org.broadinstitute.sting.utils.cmdLine.CommandLineProgram;
import org.broadinstitute.sting.utils.QualityUtils;
import org.broadinstitute.sting.playground.illumina.FirecrestFileParser;
import org.broadinstitute.sting.playground.illumina.FirecrestReadData;
import org.broadinstitute.sting.playground.illumina.FourIntensity;
import org.broadinstitute.sting.playground.illumina.IlluminaParser;
import net.sf.samtools.SAMFileHeader;
import net.sf.samtools.SAMFileWriter;
import net.sf.samtools.SAMFileWriterFactory;
@ -23,6 +27,7 @@ public class FourBaseRecaller extends CommandLineProgram {
public int END = 0;
public int TRAINING_LIMIT = 1000000000;
public int CALLING_LIMIT = 1000000000;
public Boolean RAW = false;
public static void main(String[] argv) {
Instance = new FourBaseRecaller();
@ -36,11 +41,15 @@ public class FourBaseRecaller extends CommandLineProgram {
m_parser.addOptionalArg("end", "E", "End of read to process (0 = whole read, i.e. unpaired; 1 = first end; 2 = second end)", "END");
m_parser.addOptionalArg("tlim", "T", "Number of reads to use for parameter initialization", "TRAINING_LIMIT");
m_parser.addOptionalArg("clim", "C", "Number of reads to basecall", "CALLING_LIMIT");
m_parser.addOptionalFlag("raw", "R", "Use raw intensities?", "RAW");
}
protected int execute() {
boolean isPaired = (END > 0);
//IlluminaParser ip = new IlluminaParser(DIR, LANE, 0);
//System.exit(1);
// Set up debugging paths
File debugdir = new File(OUT.getPath() + ".debug/");
debugdir.mkdir();
@ -53,57 +62,68 @@ public class FourBaseRecaller extends CommandLineProgram {
BustardFileParser bfp;
BustardReadData bread;
FirecrestFileParser ffp;
FirecrestReadData fread;
bfp = new BustardFileParser(DIR, LANE, isPaired, "FB");
bread = bfp.next();
ffp = new FirecrestFileParser(DIR.getParentFile(), LANE);
fread = ffp.next();
int cycle_offset = (END <= 1) ? 0 : bread.getIntensities().length/2;
BasecallingReadModel model = new BasecallingReadModel(bread.getFirstReadSequence().length());
int queryid;
// learn mean parameters
if (debugout != null) { debugout.println("intensity int_a int_c int_g int_t base"); }
if (debugout != null) { debugout.println("intensity cycle int_a int_c int_g int_t base"); }
queryid = 0;
do {
String bases = (END <= 1) ? bread.getFirstReadSequence() : bread.getSecondReadSequence();
byte[] quals = (END <= 1) ? bread.getFirstReadPhredBinaryQualities() : bread.getSecondReadPhredBinaryQualities();
double[][] intensities = bread.getIntensities();
double[][] rawintensities = fread.getIntensities();
for (int cycle = 0; cycle < bases.length(); cycle++) {
char baseCur = bases.charAt(cycle);
byte qualCur = quals[cycle];
double[] fourintensity = intensities[cycle + cycle_offset];
double[] fourintensity = (RAW) ? rawintensities[cycle + cycle_offset] : intensities[cycle + cycle_offset];
if (debugout != null && cycle == 0) {
debugout.println("intensity " + intensities[0][0] + " " + intensities[0][1] + " " + intensities[0][2] + " " + intensities[0][3] + " " + baseCur);
if (debugout != null && cycle >= 31 && cycle <= 33) {
debugout.println("intensity " + cycle + " " + fourintensity[0] + " " + fourintensity[1] + " " + fourintensity[2] + " " + fourintensity[3] + " " + baseCur);
}
model.addMeanPoint(cycle, baseCur, qualCur, fourintensity);
}
queryid++;
} while (queryid < TRAINING_LIMIT && bfp.hasNext() && (bread = bfp.next()) != null);
} while (queryid < TRAINING_LIMIT && bfp.hasNext() && (bread = bfp.next()) != null && (fread = ffp.next()) != null);
debugout.close();
// learn covariance parameters
bfp = new BustardFileParser(DIR, LANE, isPaired, "FB");
bread = bfp.next();
ffp = new FirecrestFileParser(DIR.getParentFile(), LANE);
fread = ffp.next();
queryid = 0;
do {
String bases = (END <= 1) ? bread.getFirstReadSequence() : bread.getSecondReadSequence();
byte[] quals = (END <= 1) ? bread.getFirstReadPhredBinaryQualities() : bread.getSecondReadPhredBinaryQualities();
double[][] intensities = bread.getIntensities();
double[][] rawintensities = fread.getIntensities();
for (int cycle = 0; cycle < bases.length(); cycle++) {
char baseCur = bases.charAt(cycle);
byte qualCur = quals[cycle];
double[] fourintensity = intensities[cycle + cycle_offset];
double[] fourintensity = (RAW) ? rawintensities[cycle + cycle_offset] : intensities[cycle + cycle_offset];
model.addCovariancePoint(cycle, baseCur, qualCur, fourintensity);
}
queryid++;
} while (queryid < TRAINING_LIMIT && bfp.hasNext() && (bread = bfp.next()) != null);
} while (queryid < TRAINING_LIMIT && bfp.hasNext() && (bread = bfp.next()) != null && (fread = ffp.next()) != null);
// write debugging info
model.write(debugdir);
@ -114,26 +134,25 @@ public class FourBaseRecaller extends CommandLineProgram {
bfp = new BustardFileParser(DIR, LANE, isPaired, "FB");
bread = bfp.next();
ffp = new FirecrestFileParser(DIR.getParentFile(), LANE);
fread = ffp.next();
queryid = 0;
do {
String bases = (END <= 1) ? bread.getFirstReadSequence() : bread.getSecondReadSequence();
byte[] quals = (END <= 1) ? bread.getFirstReadPhredBinaryQualities() : bread.getSecondReadPhredBinaryQualities();
double[][] intensities = bread.getIntensities();
double[][] rawintensities = fread.getIntensities();
byte[] asciiseq = new byte[bases.length()];
byte[] bestqual = new byte[bases.length()];
byte[] nextbestqual = new byte[bases.length()];
for (int cycle = 0; cycle < bases.length(); cycle++) {
double[] fourintensity = intensities[cycle + cycle_offset];
double[] fourintensity = (RAW) ? rawintensities[cycle + cycle_offset] : intensities[cycle + cycle_offset];
FourProb fp = model.computeProbabilities(cycle, fourintensity);
//if (cycle == 0) {
// System.out.println("result " + intensities[0][0] + " " + intensities[0][1] + " " + intensities[0][2] + " " + intensities[0][3] + " " + bases.charAt(0) + " " + fp.toString());
//}
asciiseq[cycle] = (byte) fp.baseAtRank(0);
bestqual[cycle] = fp.qualAtRank(0);
nextbestqual[cycle] = QualityUtils.baseAndProbToCompressedQuality(fp.indexAtRank(1), fp.probAtRank(1));