Sha256: 6463e60f3769a72b95b399af181c9f8976154de1c7733521388e452b10cf4731
Contents?: true
Size: 1.57 KB
Versions: 7
Compression:
Stored size: 1.57 KB
Contents
class Tracksperanto::Import::MatchMover < Tracksperanto::Import::Base
def self.autodetects_size?
true
end
def self.human_name
"MatchMover .rz2 file"
end
def self.distinct_file_ext
".rz2"
end
def parse(io)
trackers = []
detect_format(io)
extract_trackers(io)
end
private
def detect_format(io)
lines = (0..2).map{ io.gets }
last_line = lines[-1]
w, h, _ = last_line.scan(/(\d+)/).flatten
@width, @height = w.to_i, h.to_i
end
def extract_trackers(io)
tracks = []
while(line = io.gets) do
tracks << extract_track(line, io) if line =~ /^pointTrack/
end
tracks
end
def extract_track(start_line, io)
tracker_name = start_line.scan(/\"([^\"]+)\"/).flatten[0]
t = Tracksperanto::Tracker.new(:name => tracker_name)
while(line = io.gets) do
return t if line =~ /\}/
t.keyframes.push(extract_key(line.strip)) if line =~ /^(\s+?)(\d)/
end
raise "Track didn't close"
end
LINE_PATTERN = /(\d+)(\s+)([\-\d\.]+)(\s+)([\-\d\.]+)(\s+)(.+)/
def extract_key(line)
frame, x, y, residual, rest = line.scan(LINE_PATTERN).flatten.reject{|e| e.strip.empty? }
Tracksperanto::Keyframe.new(
:frame => (frame.to_i() - 1),
:abs_x => x,
:abs_y => @height - y.to_f, # Top-left in MM
:residual => extract_residual(residual)
)
end
def extract_residual(residual_segment)
# Parse to the first opening brace and pick the residual from there
float_pat = /([\-\d\.]+)/
1 - residual_segment.scan(float_pat).flatten.shift.to_f
end
end
Version data entries
7 entries across 7 versions & 1 rubygems