Module: SearchSolrTools::Helpers::BoundingBoxUtil

Defined in:
lib/search_solr_tools/helpers/bounding_box_util.rb

Overview

Utility methods for dealing with bounding boxes.

Constant Summary collapse

SOUTHERN_GLOBAL_BOUNDARY = 
-85.0
NORTHERN_GLOBAL_BOUNDARY = 
85.0

Class Method Summary collapse

Class Method Details

.bounding_box_hash_from_geo_json(geometry) ⇒ Object 



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# File 'lib/search_solr_tools/helpers/bounding_box_util.rb', line 12

def self.bounding_box_hash_from_geo_json(geometry)
  return { west: geometry.x.to_s, south: geometry.y.to_s, east: geometry.x.to_s, north: geometry.y.to_s } if geometry_is_point?(geometry)

  bbox = RGeo::Cartesian::BoundingBox.create_from_geometry(geometry)
  { west: bbox.min_x.to_s, south: bbox.min_y.to_s, east: bbox.max_x.to_s, north: bbox.max_y.to_s }
end

.box_global?(box) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_solr_tools/helpers/bounding_box_util.rb', line 23

def self.box_global?(box)
  box[:south].to_f < SOUTHERN_GLOBAL_BOUNDARY && box[:north].to_f > NORTHERN_GLOBAL_BOUNDARY
end

.box_invalid?(box) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_solr_tools/helpers/bounding_box_util.rb', line 32

def self.box_invalid?(box)
  i[north south east west].any? { |d| box[d].to_s.empty? }
end

.box_local?(box) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_solr_tools/helpers/bounding_box_util.rb', line 27

def self.box_local?(box)
  distance = box[:north].to_f - box[:south].to_f
  distance < 1
end

.geometry_is_point?(geometry) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_solr_tools/helpers/bounding_box_util.rb', line 19

def self.geometry_is_point?(geometry)
  geometry.geometry_type.to_s.downcase.eql?('point')
end