Class: Charta::GeometryCollection

Inherits:
Geometry
  • Object
show all
Defined in:
lib/charta/geometry_collection.rb

Overview

Represent a Geometry with contains other geometries

Direct Known Subclasses

MultiPolygon

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Geometry

#!=, #==, #area, #bounding_box, #buffer, #centroid, #collection?, #convert_to, #difference, #empty?, #ewkt, factory, feature, #feature, #feature=, #find_srid, #flatten_multi, from_ewkt, from_rgeo, #initialize, #inspect, #intersection, #intersects?, #merge, #method_missing, #point_on_surface, #respond_to_missing?, #srid, srs_database, #surface?, #to_binary, #to_ewkt, #to_geojson, #to_json_feature, #to_json_object, #to_rgeo, #to_svg, #to_svg_path, #to_text, #transform, #type

Constructor Details

This class inherits a constructor from Charta::Geometry

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Charta::Geometry

Class Method Details

.empty(srid = nil) ⇒ Object 



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# File 'lib/charta/geometry_collection.rb', line 5

def empty(srid = nil)
  srid = Charta.find_srid(srid.nil? ? :WGS84 : srid)
  feature = Charta.new_feature('GEOMETRYCOLLECTION EMPTY', srid)
  new(feature)
end

Instance Method Details

#to_json_feature_collection(collection_properties = []) ⇒ Object 



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# File 'lib/charta/geometry_collection.rb', line 12

def to_json_feature_collection(collection_properties = [])
  features = feature.each.with_index.collect do |f, i|
    properties = {}
    properties = collection_properties[i] unless collection_properties[i].nil?

    Charta.new_geometry(f).to_json_feature(properties)
  end

  { type: 'FeatureCollection', features: features }
end