/
bsa.jl
65 lines (52 loc) · 1.63 KB
/
bsa.jl
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#######################################
#
# BSA file
#
#######################################
"""
Read Besa's BSA (.bsa) file
#### Input
* `fname`: Name or path for the BSA file
#### Output
* `bsa`: Dipole object
"""
function read_bsa(fname::AbstractString)
@info("Reading BSA file = $fname")
# Open file
file = open(fname, "r")
# Read version
first_line = readline(file)
separator = something(findfirst(isequal('|'), first_line), 0)
version = first_line[1:separator-1]
coordinate_system = first_line[separator+1:end-1]
# Read title line
regexp =
r"(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)"
m = match(regexp, readline(file))
# Read useless line
readline(file)
# Read dipoles
dips = Neuroimaging.Dipole[]
while !eof(file)
dm = match(regexp, readline(file))
dip = Dipole(
coordinate_system,
1u"m" * parse(Float64, dm.captures[2]) / 1000,
1u"m" * parse(Float64, dm.captures[3]) / 1000,
1u"m" * parse(Float64, dm.captures[4]) / 1000,
parse(Float64, dm.captures[5]),
parse(Float64, dm.captures[6]),
parse(Float64, dm.captures[7]),
parse(Float64, dm.captures[8]),
parse(Float64, dm.captures[9]),
parse(Float64, dm.captures[10]),
)
push!(dips, dip)
end
# Close file
close(file)
@debug("Version = $version")
@debug("Coordinate System = $coordinate_system")
@debug("Dipoles = $(length(dips))")
return dips
end