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Contents
module Terraformer
class MultiPoint < Geometry
def initialize *args
case
when Point === args[0]
self.coordinates = args.map &:coordinates
else
super *args
end
end
def first_coordinate
coordinates[0]
end
def points
coordinates.map {|p| Point.new p}
end
def == obj
super obj do |o|
self.coordinates.sort == obj.coordinates.sort
end
end
def contains? obj
points.any? {|p| p.contains? obj}
end
def within? obj
case obj
when MultiPoint
points.all? {|p| obj.contains? p}
when LineString
points.all? {|p| obj.contains? p}
when MultiLineString
points.all? {|p| obj.contains? p}
when Polygon
obj.contains? self
when MultiPolygon
points.all? {|p| obj.polygons.any? {|polygon| polygon.contains? p}}
else
raise ArgumentError.new "unsupported type: #{obj.type rescue obj.class}"
end
end
def add_point p
p = p.coordinates if Point === p
raise ArugmentError unless Coordinate === p
coordinates << p
end
alias_method :<<, :add_point
def insert_point idx, p
p = p.coordinates if Point === p
raise ArugmentError unless Coordinate === p
coordinates.insert idx, p
end
def remove_point p
p = p.coordinates if Point === p
raise ArugmentError unless Coordinate === p
coordinates.delete p
end
def remove_point_at idx
coordinates.delete_at idx
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems