misha (version 4.2.9)

gtrack.modify: Modifies track contents

Description

Modifies 'Dense' track contents.

Usage

gtrack.modify(track = NULL, expr = NULL, intervals = NULL)

Value

None.

Arguments

track

track name

expr

track expression

intervals

genomic scope for which track is modified

Details

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.

See Also

gtrack.create, gtrack.rm

Examples

# \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)