Module: VoxelammingGem

Defined in:
lib/voxelamming_gem.rb,
lib/voxelamming_gem/version.rb

Defined Under Namespace

Classes: BuildBox, Error, Turtle

Constant Summary collapse

VERSION = 
"0.1.3"

Class Method Summary collapse

Class Method Details

.get_box_color(height, max_height, high_color, low_color) ⇒ Object 



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# File 'lib/voxelamming_gem.rb', line 514

def self.get_box_color(height, max_height, high_color, low_color)
  # 高さによって色を変える
  r = (high_color[0] - low_color[0]) * height * 1.0 / max_height + low_color[0]
  g = (high_color[1] - low_color[1]) * height * 1.0 / max_height + low_color[1]
  b = (high_color[2] - low_color[2]) * height * 1.0 / max_height + low_color[2]

  [r, g, b]
end

.get_boxes_from_ply(ply_file) ⇒ Object

Make model



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# File 'lib/voxelamming_gem.rb', line 441

def self.get_boxes_from_ply(ply_file)
  box_positions = Set.new
  File.open(ply_file, 'r') do |f|
    lines = f.read
    lines = lines.gsub("\r\n", "\n")
    lines = lines.strip
    positions = lines.split("\n").select { |ln| self.is_included_six_numbers(ln) }.map { |ln| ln.split.map(&:to_f) }

    number_of_faces = positions.length / 4
    (0...number_of_faces).each do |i|
      vertex1 = positions[i * 4]
      vertex2 = positions[i * 4 + 1]
      vertex3 = positions[i * 4 + 2]
      vertex4 = positions[i * 4 + 3] # no need
      x = [vertex1[0], vertex2[0], vertex3[0]].min
      y = [vertex1[1], vertex2[1], vertex3[1]].min
      z = [vertex1[2], vertex2[2], vertex3[2]].min
      r = vertex1[3] / 255.0
      g = vertex1[4] / 255.0
      b = vertex1[5] / 255.0
      alpha = 1

      # ボックスを置く方向を解析
      if vertex1[0] == vertex2[0] && vertex2[0] == vertex3[0] # y-z plane
        step = [vertex1[1], vertex2[1], vertex3[1]].max - y
        x -= step if vertex1[1] != vertex2[1]
      elsif vertex1[1] == vertex2[1] && vertex2[1] == vertex3[1] # z-x plane
        step = [vertex1[2], vertex2[2], vertex3[2]].max - z
        y -= step if vertex1[2] != vertex2[2]
      else # x-y plane
        step = [vertex1[0], vertex2[0], vertex3[0]].max - x
        z -= step if vertex1[0] != vertex2[0]
      end

      # minimum unit: 0.1
      position_x = (x * 10.0 / step).round / 10.0
      position_y = (y * 10.0 / step).round / 10.0
      position_z = (z * 10.0 / step).round / 10.0
      box_positions.add([position_x, position_z, -position_y, r, g, b, alpha])
    end
  end

  box_positions
end

.get_map_data_from_csv(csv_file, height_scale, column_num = 257, row_num = 257) ⇒ Object

Map



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# File 'lib/voxelamming_gem.rb', line 494

def self.get_map_data_from_csv(csv_file, height_scale, column_num = 257, row_num = 257)
  # csvファイルから地図データを読み込み
  heights = []

  CSV.foreach(csv_file) do |row|
    for h in row
      h = h.to_f
      h = h != 0 ? (h * height_scale).floor : -1
      heights << h
    end
  end
  #   puts "heights: #{heights}"

  max_height = heights.max.floor
  box_positions = (0...row_num).map { |i| heights[i * column_num, column_num] }
  puts "max_height: #{max_height}"
  #   puts "box_positions: #{box_positions}"
  { 'boxes' => box_positions, 'max_height' => max_height }
end

.greet(name) ⇒ Object

test



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# File 'lib/voxelamming_gem.rb', line 15

def self.greet(name)
  puts "Hello, #{name}! I'm Ruby!"
end

.is_included_six_numbers(line) ⇒ Object 



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# File 'lib/voxelamming_gem.rb', line 486

def self.is_included_six_numbers(line)
  line_list = line.split
  return false if line_list.length != 6

  line_list.all? { |num| Float(num) rescue false }
end