Class: Terragona::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/terragona/base.rb

Direct Known Subclasses

API, Dump

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Base

Returns a new instance of Base.



7
8
9
10
 
# File 'lib/terragona/base.rb', line 7

def initialize(options={})
  @options=options
  @minimal_polygon_points = options[:minimal_polygon_points] || 5
end

Instance Method Details

#create_polygons(names, options = {}) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/terragona/base.rb', line 12

def create_polygons(names,options={})
  opts=@options.merge(options)

  concave_hull = ConcaveHull.new(opts) if not opts[:dont_create_polygons]

  names.map{|n|
    name = @geonames.search(n)

    if name[:points].count < @minimal_polygon_points
      puts "No points for #{n[:name]}"
      next
    end

    unless opts[:dont_create_polygons]
      if concave_hull.perform(name[:points],name[:place_name],name[:place_id])
        puts "Polygon created for #{n[:name]}"
      end
    end
    name
  }
end

#create_polygons_family(names, parents_table, children_table, opts = {}) ⇒ Object 



34
35
36
37
38
39
40
41
 
# File 'lib/terragona/base.rb', line 34

def create_polygons_family(names,parents_table,children_table,opts={})
  created_names = create_polygons(names,opts.merge({:table => parents_table}))
  children = []
  created_names.each {|c|
    children.concat(c[:children_places])
  }
  create_polygons(children,opts.merge({:table => children_table}))
end