Class: SlippyTilesScorer::Cluster

Inherits:
Object
  • Object
show all
Defined in:
lib/slippy_tiles_scorer/cluster.rb

Overview

finds clusters in a collection/tiles_x_y of points (x, y)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tiles_x_y: Set.new) ⇒ Cluster

Returns a new instance of Cluster.



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# File 'lib/slippy_tiles_scorer/cluster.rb', line 10

def initialize(tiles_x_y: Set.new)
  @tiles_x_y = tiles_x_y
  @cluster_tiles = Set.new
  @visited = {}
  @clusters = []
end

Instance Attribute Details

#tiles_x_y ⇒ Object

Returns the value of attribute tiles_x_y.



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# File 'lib/slippy_tiles_scorer/cluster.rb', line 8

def tiles_x_y
  @tiles_x_y
end

Instance Method Details

#clusters ⇒ Hash

Returns The clusters and the tiles in the clusters.

Returns:

  • (Hash) —

    The clusters and the tiles in the clusters.



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# File 'lib/slippy_tiles_scorer/cluster.rb', line 18

def clusters
  @tiles_x_y.each do |i|
    next if visited?(i[0], i[1])

    visit!(i[0], i[1])
    find_cluster_around(i)
  end
  { clusters: @clusters, cluster_tiles: @cluster_tiles }
end