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Reverted edits by Upugema (Talk) to last revision by Goncalo
'''GLF''' is a format for storing marginal likelihoods for next-generation sequence data, conditional on a set of possible genotypes.
'''GLF''' is a format for storing marginal likelihoods for next-generation sequence data, conditional on a set of possible genotypes.
== Generating GLF Files ==
GLF files can be generated using [http://samtools.sourceforge.net samtools]. To generate a GLF file, use the <code>samtools pileup -g</code> command, which requires a sorted [[SAM]] file and a [[FASTA]] file with the human genome reference sequence.
GLF files can be generated using [http://samtools.sourceforge.net samtools]. To generate a GLF file, use the <code>samtools pileup -g</code> command, which requires a sorted [[SAM]] file and a [[FASTA]] file with the human genome reference sequence.
samtools pileup -g -f human_b36_male.fa.gz NA19240.SLX.maq.bam > NA19240.SLX.maq.glf
samtools pileup -g -f human_b36_male.fa.gz NA19240.SLX.maq.bam > NA19240.SLX.maq.glf
=== Generating GLF Files for a Specific Region ===
=== Generating GLF Files for a Specific Region ===
Sometimes, you want to generate a GLF file for a specific chromosome region. This can be accomplished by first using <code>samtools view</code> to extract reads for a specific region from a [[SAM]] or [[BAM]] file and then using <code>samtools pileup -g</code> to generate the GLF file using the selected reads as input. Here is an example:
Sometimes, you want to generate a GLF file for a specific chromosome region. This can be accomplished by first using <code>samtools view</code> to extract reads for a specific region from a [[SAM]] or [[BAM]] file and then using <code>samtools pileup -g</code> to generate the GLF file using the selected reads as input. Here is an example:
samtools view -u NA19240.SLX.maq.bam chr20:10000000-20000000 | samtools pileup -g -f human_b36_male.fa.gz - > NA19240.SLX.chr20_region.glf
samtools view -u NA19240.SLX.maq.bam chr20:10000000-20000000 | samtools pileup -g -f human_b36_male.fa.gz - > NA19240.SLX.chr20_region.glf
== File Format ==
== File Format ==
