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Contents
class Tracksperanto::Import::Boujou < Tracksperanto::Import::Base
def self.human_name
"Boujou feature tracks export"
end
def parse(io)
wrapped_io = Tracksperanto::ExtIO.new(io)
detect_columns(wrapped_io)
trackers = {}
filtering_trackers_from(wrapped_io) do | name, frame, x, y |
trackers[name] ||= Tracksperanto::Tracker.new(:name => name)
report_progress("Extracting frame #{frame} of #{name}")
trackers[name].keyframe!(:frame => (frame.to_i - 1), :abs_y => (@height.to_f - y.to_f), :abs_x => x)
end
trackers.values.sort{|a,b| a.name <=> b.name }
end
private
COMMENT = /^# /
def detect_columns(io)
until io.eof? do
line = io.gets_and_strip
if line =~ /^# track_id/
report_progress("Detecting columns")
return set_columns_from(line)
end
end
end
def set_columns_from(line)
@columns = line.gsub(COMMENT, '').split
end
#
#
# # track_id view x y
# Target_track_1 5 252.046 171.677
def filtering_trackers_from(io) #:yields: track_id, frame, x, y
until io.eof?
line = io.gets_and_strip
next if comment?(line)
column = make_column_hash(line)
yield(column["track_id"], column["view"], column["x"], column["y"])
end
end
def make_column_hash(line)
Hash[*@columns.zip(line.split).flatten]
end
def comment?(line)
line =~ COMMENT
end
end
Version data entries
21 entries across 21 versions & 1 rubygems