Sha256: 1d520ed8a2d487bba75a007b43a8b3c471ab5a659a23b949e6a54a2f5e01fd12
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Size: 1.72 KB
Versions: 2
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Contents
module Terraformer class MultiPolygon < Geometry def initialize *args case # arg is an array of arrays of polygon, holes when Array === args[0] && Array === args[0][0] && Array === args[0][0][0] && Array === args[0][0][0][0] self.coordinates = Coordinate.from_array(*args) when Coordinate === args[0] # only one self.coordinates = [[Coordinate.from_array(args)]] when Array === args[0] # multiple? self.coordinates = [Coordinate.from_array(args)] when Polygon === args[0] self.coordinates = args.map &:coordinates else super *args end # must be an array of arrays of arrays of coordinates (whew!) unless Array === coordinates && Array === coordinates[0] && Array === coordinates[0][0] && Terraformer::Coordinate === coordinates[0][0][0] raise ArgumentError.new 'invalid coordinates for Terraformer::MultiPolygon' end end def first_coordinate coordinates[0][0][0] end def polygons coordinates.map {|p| Polygon.new *p} end def == obj super obj do |o| equal = true ps = polygons ops = o.polygons ps.each_with_index do |p, i| equal = p == ops[i] rescue false break unless equal end equal end end def contains? obj polygons.any? {|p| p.contains? obj} end def within? obj case obj when Polygon polygons.all? {|p| p.within? obj} when MultiPolygon polygons.all? {|p| obj.polygons.any? {|op| op.contains? p}} else raise ArgumentError.new "unsupported type: #{obj.type rescue obj.class}" end end end end
Version data entries
2 entries across 2 versions & 1 rubygems
Version | Path |
---|---|
terraformer-0.2.1 | lib/terraformer/multi_polygon.rb |
terraformer-0.2.0 | lib/terraformer/multi_polygon.rb |