Class: Contrek::Finder::PolygonFinder

Inherits:
Object
  • Object
show all
Defined in:
lib/contrek/finder/polygon_finder.rb

Instance Method Summary collapse

Constructor Details

#initialize(bitmap, matcher, test_bitmap = nil, options = {}) ⇒ PolygonFinder

Returns a new instance of PolygonFinder.



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# File 'lib/contrek/finder/polygon_finder.rb', line 6

def initialize(bitmap, matcher, test_bitmap = nil, options = {})
  @options = {versus: :a, strict_bounds: false}.merge(options)
  sanitize_options
  @source_bitmap = bitmap
  @matcher = matcher

  @test_bitmap = test_bitmap
  @node_cluster = NodeCluster.new(@source_bitmap.h, @options)
  @reports = {}

  # 1 finds matching blocks
  @reports[:scan] = Benchmark.measure do
    scan
  end

  # 2 builds relational spatially tree map
  @reports[:build_tangs_sequence] = Benchmark.measure do
    @node_cluster.build_tangs_sequence
  end

  # 3 plotting
  @reports[:plot] = Benchmark.measure do
    @node_cluster.plot(@test_bitmap)
  end

  # 4 compress
  @reports[:compress] = Benchmark.measure do
    if @options.has_key?(:compress)
      @node_cluster.compress_coords
    end
  end
end

Instance Method Details

#draw_polygons(png_image) ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 67

def draw_polygons(png_image)
  Contrek::Bitmaps::Painting.direct_draw_polygons(@node_cluster.polygons, png_image)
end

#draw_shapelines(png_image) ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 71

def draw_shapelines(png_image)
  slines = get_shapelines
  color = ChunkyPNG::Color("blue @ 1.0")
  slines.each do |sline|
    png_image.draw_line(sline[:start_x], sline[:y], sline[:end_x], sline[:y], color)
  end
end

#end_x ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 87

def end_x
  @source_bitmap.w
end

#get_shapelines ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 57

def get_shapelines
  shapes = []
  @node_cluster.vert_nodes.each do |line|
    line.each do |node|
      shapes << {start_x: node.min_x, end_x: node.max_x, y: node.y}
    end
  end
  shapes
end

#inspect ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 79

def inspect
  ""
end

#process_info ⇒ Object

infos



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# File 'lib/contrek/finder/polygon_finder.rb', line 44

def process_info
  metadata = {
    named_sequence: @node_cluster.sequences.map { |list| list.map(&:name).join }.join("-"),
    groups: @node_cluster.sequences.size,
    groups_names: @node_cluster.root_nodes.map(&:name).join,
    benchmarks: format_benchmarks,
    width: @source_bitmap.w,
    height: @source_bitmap.h,
    treemap: (@node_cluster.treemap if @options.has_key?(:treemap))
  }
  Result.new(@node_cluster.polygons, metadata)
end

#sanitize_options ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 39

def sanitize_options
  @options[:versus] = :a unless @options[:versus] == :a || @options[:versus] == :o
end

#start_x ⇒ Object 



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# File 'lib/contrek/finder/polygon_finder.rb', line 83

def start_x
  0
end