Class: Pano::ImageFileSet

Inherits:
Object
  • Object
show all
Defined in:
lib/pano/image_file_set.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir_path) ⇒ ImageFileSet

Returns a new instance of ImageFileSet.



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# File 'lib/pano/image_file_set.rb', line 7

def initialize dir_path
  @base_path = dir_path
  paths = Dir[File.join(@base_path,"*.JPG")]
  @files = paths.map {|path| ImageFile.new path }
  @files.sort_by &:created_at
end

Instance Attribute Details

#base_path ⇒ Object (readonly)

Returns the value of attribute base_path.



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# File 'lib/pano/image_file_set.rb', line 5

def base_path
  @base_path
end

#files ⇒ Object (readonly)

Returns the value of attribute files.



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# File 'lib/pano/image_file_set.rb', line 5

def files
  @files
end

Instance Method Details

#enfuse(dir, name, files = []) ⇒ Object 



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# File 'lib/pano/image_file_set.rb', line 82

def enfuse dir, name, files = []
  return if files.blank?
  FileUtils.mkpath dir
  contrast_weight = 0.6
  entropy_weight = 0.4
  exposure_weight = 0.5
  saturation_weight = 0.2
  target = File.join(dir, name + ".tif")
  input = files.map {|file| file.jpg_path }.join(" ")
  options = "--contrast-weight=#{contrast_weight} --entropy-weight=#{entropy_weight} --exposure-weight=#{exposure_weight} --saturation-weight=#{saturation_weight} --compression=LZW"
  system "enfuse #{options} -o #{target} #{input}"

  target
end

#spit_and_copy_files ⇒ Object 



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# File 'lib/pano/image_file_set.rb', line 47

def spit_and_copy_files
  puts "analysing files..."
  panos, misc = split_images
  panos.each_with_index do |pano, index|
    pano_dir = File.join(@base_path, "pano.#{index}")
    puts "coping to #{pano_dir}"
    pano.each do |file|
      file.copy_to pano_dir
    end
    i = 0
    pano.each_slice(3) do |files|
      i+=1
      fused = enfuse(File.join(pano_dir, "fused"), "%02d" % i, files)
      if (1..6).include? i
        system "convert #{fused} #{TOOL_ROOT}/lib/mask.png \
                  +matte -compose CopyOpacity -composite \
                  #{fused}"
      elsif i >= pano.length
        system "convert #{fused} #{TOOL_ROOT}/lib/mask_last.png \
                  +matte -compose CopyOpacity -composite \
                  #{fused}"
      end
      system "mogrift -rotate -90 #{fused}"
      system "exiftool -overwrite_original -TagsFromFile #{files.first.jpg_path} #{fused}"
    end
  end
  
  misc_dir = File.join(@base_path, "misc")
  puts "coping to #{misc_dir}"
  misc.each do |file|
    file.copy_to misc_dir
  end
  
end

#split_images ⇒ Object 



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# File 'lib/pano/image_file_set.rb', line 14

def split_images
  pano = []
  panos = []
  misc = []
  i = 0
  while i < @files.length 
    file = @files[i]
    if file.for_pano?
      if pano.length < 13 * 3
        pano << file
      else
        last = pano.last
        if (file.created_at - last.created_at) > 1.5.minutes
          panos << pano
          pano = []
        end
        pano << file
      end
    else
      if pano.present?
        panos << pano
        pano = []
      end
      misc << file
    end
    i+=1
  end
  if pano.present?
    panos << pano
  end
  [panos, misc]
end