Class: RGeo::Cartesian::Factory

Inherits:
Object
  • Object
show all
Includes:
Feature::Factory::Instance
Defined in:
lib/rgeo/cartesian/factory.rb

Overview

This class implements the factory for the simple cartesian implementation.

Instance Method Summary collapse

Constructor Details

#initialize(opts_ = {}) ⇒ Factory

Create a new simple cartesian factory.

See ::RGeo::Cartesian::simple_factory for a list of supported options.



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# File 'lib/rgeo/cartesian/factory.rb', line 54

def initialize(opts_={})
  @has_z = opts_[:has_z_coordinate] ? true : false
  @has_m = opts_[:has_m_coordinate] ? true : false
  @proj4 = opts_[:proj4]
  if CoordSys::Proj4.supported?
    if @proj4.kind_of?(::String) || @proj4.kind_of?(::Hash)
      @proj4 = CoordSys::Proj4.create(@proj4)
    end
  else
    @proj4 = nil
  end
  srid_ = opts_[:srid]
  @coord_sys = opts_[:coord_sys]
  if @coord_sys.kind_of?(::String)
    @coord_sys = CoordSys::CS.create_from_wkt(@coord_sys) rescue nil
  end
  if (!@proj4 || !@coord_sys) && srid_ && (db_ = opts_[:srs_database])
    entry_ = db_.get(srid_.to_i)
    if entry_
      @proj4 ||= entry_.proj4
      @coord_sys ||= entry_.coord_sys
    end
  end
  srid_ ||= @coord_sys.authority_code if @coord_sys
  @srid = srid_.to_i
end

Instance Method Details

#collection(elems_) ⇒ Object

See ::RGeo::Feature::Factory#collection



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# File 'lib/rgeo/cartesian/factory.rb', line 164

def collection(elems_)
  GeometryCollectionImpl.new(self, elems_) rescue nil
end

#coord_sys ⇒ Object

See ::RGeo::Feature::Factory#coord_sys



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# File 'lib/rgeo/cartesian/factory.rb', line 199

def coord_sys
  @coord_sys
end

#eql?(rhs_) ⇒ Boolean Also known as: ==

Equivalence test.

Returns:

  • (Boolean) 


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# File 'lib/rgeo/cartesian/factory.rb', line 84

def eql?(rhs_)
  rhs_.is_a?(self.class) && @srid == rhs_.srid && @has_z == rhs_.property(:has_z_coordinate) && @has_m == rhs_.property(:has_m_coordinate)
end

#line(start_, end_) ⇒ Object

See ::RGeo::Feature::Factory#line



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# File 'lib/rgeo/cartesian/factory.rb', line 143

def line(start_, end_)
  LineImpl.new(self, start_, end_) rescue nil
end

#line_string(points_) ⇒ Object

See ::RGeo::Feature::Factory#line_string



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# File 'lib/rgeo/cartesian/factory.rb', line 136

def line_string(points_)
  LineStringImpl.new(self, points_) rescue nil
end

#linear_ring(points_) ⇒ Object

See ::RGeo::Feature::Factory#linear_ring



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# File 'lib/rgeo/cartesian/factory.rb', line 150

def linear_ring(points_)
  LinearRingImpl.new(self, points_) rescue nil
end

#multi_line_string(elems_) ⇒ Object

See ::RGeo::Feature::Factory#multi_line_string



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# File 'lib/rgeo/cartesian/factory.rb', line 178

def multi_line_string(elems_)
  MultiLineStringImpl.new(self, elems_) rescue nil
end

#multi_point(elems_) ⇒ Object

See ::RGeo::Feature::Factory#multi_point



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# File 'lib/rgeo/cartesian/factory.rb', line 171

def multi_point(elems_)
  MultiPointImpl.new(self, elems_) rescue nil
end

#multi_polygon(elems_) ⇒ Object

See ::RGeo::Feature::Factory#multi_polygon



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# File 'lib/rgeo/cartesian/factory.rb', line 185

def multi_polygon(elems_)
  MultiPolygonImpl.new(self, elems_) rescue nil
end

#parse_wkb(str_) ⇒ Object

See ::RGeo::Feature::Factory#parse_wkb



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# File 'lib/rgeo/cartesian/factory.rb', line 122

def parse_wkb(str_)
  WKRep::WKBParser.new(self).parse(str_)
end

#parse_wkt(str_) ⇒ Object

See ::RGeo::Feature::Factory#parse_wkt



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# File 'lib/rgeo/cartesian/factory.rb', line 115

def parse_wkt(str_)
  WKRep::WKTParser.new(self).parse(str_)
end

#point(x_, y_, *extra_) ⇒ Object

See ::RGeo::Feature::Factory#point



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# File 'lib/rgeo/cartesian/factory.rb', line 129

def point(x_, y_, *extra_)
  PointImpl.new(self, x_, y_, *extra_) rescue nil
end

#polygon(outer_ring_, inner_rings_ = nil) ⇒ Object

See ::RGeo::Feature::Factory#polygon



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# File 'lib/rgeo/cartesian/factory.rb', line 157

def polygon(outer_ring_, inner_rings_=nil)
  PolygonImpl.new(self, outer_ring_, inner_rings_) rescue nil
end

#proj4 ⇒ Object

See ::RGeo::Feature::Factory#proj4



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# File 'lib/rgeo/cartesian/factory.rb', line 192

def proj4
  @proj4
end

#property(name_) ⇒ Object

See ::RGeo::Feature::Factory#property



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# File 'lib/rgeo/cartesian/factory.rb', line 99

def property(name_)
  case name_
  when :has_z_coordinate
    @has_z
  when :has_m_coordinate
    @has_m
  when :is_cartesian
    true
  else
    nil
  end
end

#srid ⇒ Object

Returns the SRID.



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# File 'lib/rgeo/cartesian/factory.rb', line 92

def srid
  @srid
end