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# File 'lib/jeti/log/data/composite_dataset_builder.rb', line 5
def self.build(file, clazz, device, primary, *others)
primaries = if primary.is_a? Array
file.value_dataset(device, primary[0], primary[1])
else
file.value_dataset(device, primary)
end
other_data = others.map do |other|
if other.is_a? Array
file.value_dataset(device, other[0], other[1])
else
file.value_dataset(device, other)
end
end
primaries.map do |raw|
time = raw[0]
f0 = raw[1]
fn = other_data.map { |d| d.min_by { |dp| (dp[0] - time).abs }[1] }
clazz.new(time, fn.unshift(f0))
end
end
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