misha (version 4.2.9)

gscreen: Finds intervals that match track expression

Description

Finds all intervals where track expression is 'TRUE'.

Usage

gscreen(
  expr = NULL,
  intervals = NULL,
  iterator = NULL,
  band = NULL,
  intervals.set.out = NULL
)

Value

If 'intervals.set.out' is 'NULL' a set of intervals that match track expression.

Arguments

expr

logical track expression

intervals

genomic scope for which the function is applied

iterator

track expression iterator. If 'NULL' iterator is determined implicitly based on track expression.

band

track expression band. If 'NULL' no band is used.

intervals.set.out

intervals set name where the function result is optionally outputted

Details

This function finds all intervals where track expression's value is 'TRUE'.

If 'intervals.set.out' is not 'NULL' the result is saved as an intervals set. Use this parameter if the result size exceeds the limits of the physical memory.

See Also

gsegment, gextract

Examples

# \dontshow{
options(gmax.processes = 2)
# }

gdb.init_examples()
gscreen("dense_track > 0.2 & sparse_track < 0.4",
    iterator = "dense_track"
)