Class: Proj::PjObject

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

Direct Known Subclasses

Crs, Transformation

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pointer, context = nil) ⇒ PjObject

Returns a new instance of PjObject.



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# File 'lib/pj_object.rb', line 10

def initialize(pointer, context=nil)
  @pointer = pointer
  @context = context
  ObjectSpace.define_finalizer(self, self.class.finalize(@pointer))
end

Class Method Details

.finalize(pointer) ⇒ Object 



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# File 'lib/pj_object.rb', line 4

def self.finalize(pointer)
  proc do
    Api.proj_destroy(pointer)
  end
end

Instance Method Details

#accuracy ⇒ Object 



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# File 'lib/pj_object.rb', line 64

def accuracy
  self.info[:accuracy]
end

#auth(index = 0) ⇒ Object 



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# File 'lib/pj_object.rb', line 48

def auth(index=0)
  "#{self.auth_name(index)}:#{self.auth_code(index)}"
end

#auth_code(index = 0) ⇒ Object 



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# File 'lib/pj_object.rb', line 44

def auth_code(index=0)
  Api.proj_get_id_code(self, index)
end

#auth_name(index = 0) ⇒ Object 



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# File 'lib/pj_object.rb', line 40

def auth_name(index=0)
  Api.proj_get_id_auth_name(self, index).force_encoding('UTF-8')
end

#context ⇒ Object 



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# File 'lib/pj_object.rb', line 20

def context
  @context || Context.current
end

#definition ⇒ Object 



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# File 'lib/pj_object.rb', line 56

def definition
  self.info[:definition] ? self.info[:definition].force_encoding('UTF-8') : nil
end

#description ⇒ Object 



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# File 'lib/pj_object.rb', line 52

def description
  self.info[:description] ? self.info[:description].force_encoding('UTF-8') : nil
end

#has_inverse? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pj_object.rb', line 60

def has_inverse?
  self.info[:has_inverse] == 1 ? true : false
end

#id ⇒ Object 



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# File 'lib/pj_object.rb', line 32

def id
  self.info[:id]
end

#info ⇒ Object 



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# File 'lib/pj_object.rb', line 28

def info
  Api.proj_pj_info(self)
end

#name ⇒ Object 



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# File 'lib/pj_object.rb', line 36

def name
  Api.proj_get_name(self).force_encoding('UTF-8')
end

#proj_type ⇒ Object 



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# File 'lib/pj_object.rb', line 24

def proj_type
  Api.proj_get_type(self)
end

#to_json ⇒ Object 



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# File 'lib/pj_object.rb', line 72

def to_json
  Api.proj_as_projjson(self.context, self, nil).force_encoding('UTF-8')
end

#to_proj_string(string_type = :PJ_PROJ_4) ⇒ Object 



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# File 'lib/pj_object.rb', line 68

def to_proj_string(string_type=:PJ_PROJ_4)
  Api.proj_as_proj_string(self.context, self, string_type, nil).force_encoding('UTF-8')
end

#to_ptr ⇒ Object 



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# File 'lib/pj_object.rb', line 16

def to_ptr
  @pointer
end

#to_wkt(wkt_type = :PJ_WKT2_2018) ⇒ Object 



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# File 'lib/pj_object.rb', line 76

def to_wkt(wkt_type=:PJ_WKT2_2018)
  Api.proj_as_wkt(self.context, self, wkt_type, nil).force_encoding('UTF-8')
end