Creates the necessary configuration string for a default session for your browser. A default session is the set of tracks that are displayed when your browser is first displayed.
default_session(assembly, displayed_tracks, display_assembly = TRUE)the config string generated by assembly
a vector of tracks generated by a track_*
command.
a boolean determining whether the reference sequence is visible or not. TRUE by default.
a character vector of stringified JSON configuration for the defaultSession to be used by the browser when first loaded
# create the assembly configuration
assembly <- assembly("https://jbrowse.org/genomes/hg19/fasta/hg19.fa.gz", bgzip = TRUE)
# create variant and wiggle tracks
variant <- track_variant(
"clinvar.vcf.gz",
assembly
)
wiggle <- track_wiggle(
"read-cov.bw",
assembly
)
# create a default session with those tracks open by default
default_session <- default_session(
assembly,
c(variant, wiggle)
)