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window size in haplotypecaller's output bam
I am using HaplotypeCaller to re-align reads according to a set of pre-existing somatic variant calls. So far, this seems to work well; however, when I review the output bam in IGV, I notice that HC only provides 20nt of context upstream and downstream of each variant site. I am wondering how to boost this to a larger window size, say 100, so I can see more context. I saw a couple of other threads discussing a "-L" argument, but I could not quite figure it out. I have pasted my current command below.
Thanks in advance,
java -Xmx18000M -jar /opt/GenomeAnalysisTK_3.5-0-g36282e4.jar