Modifies 'Dense' track contents.
gtrack.modify(track = NULL, expr = NULL, intervals = NULL)None.
track name
track expression
genomic scope for which track is modified
This function modifies the contents of a 'Dense' track by the values of 'expr'. 'intervals' argument controls which portion of the track is modified. The iterator policy is set internally to the bin size of the track.
gtrack.create, gtrack.rm
# \dontshow{
options(gmax.processes = 2)
# }
gdb.init_examples()
intervs <- gintervals(1, 300, 800)
gextract("dense_track", intervs)
gtrack.modify("dense_track", "dense_track * 2", intervs)
gextract("dense_track", intervs)
gtrack.modify("dense_track", "dense_track / 2", intervs)
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