Class: VORuby::VOTables::VOTable::Meta::CooSys

Inherits:
Object
  • Object
show all
Defined in:
lib/voruby/votables/meta.rb,
lib/voruby/votables/transforms.rb,
lib/voruby/votables/rexml_parser.rb,
lib/voruby/votables/libxml_parser.rb

Overview

A class representing the standard VOTable COOSYS element.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id = nil, equinox = nil, epoch = nil, system = Type::CoordSystemType.new('eq_FK5')) ⇒ CooSys

The system of the coordinate system (Type: Type::CoordSystemType).



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# File 'lib/voruby/votables/meta.rb', line 67

def initialize(id=nil, equinox=nil, epoch=nil, system=Type::CoordSystemType.new('eq_FK5'))
    	  		raise "Coordinate system must define an ID" if !id
	
    			  @id = id
	
    			  Misc::TypeCheck.new(equinox, Type::AstroYear).check() if equinox
    			  @equinox = equinox
	
    			  Misc::TypeCheck.new(epoch, Type::AstroYear).check() if epoch
    			  @epoch = epoch
	
    			  Misc::TypeCheck.new(system, Type::CoordSystemType).check() if system
    			  @system = system
end

Instance Attribute Details

#epoch ⇒ Object (readonly)

Returns the value of attribute epoch.



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# File 'lib/voruby/votables/meta.rb', line 57

def epoch
  @epoch
end

#equinox ⇒ Object (readonly)

Returns the value of attribute equinox.



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# File 'lib/voruby/votables/meta.rb', line 57

def equinox
  @equinox
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/voruby/votables/meta.rb', line 57

def id
  @id
end

#system ⇒ Object (readonly)

Returns the value of attribute system.



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# File 'lib/voruby/votables/meta.rb', line 57

def system
  @system
end

Class Method Details

.from_soap_obj(mcoosystems) ⇒ Object 



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# File 'lib/voruby/votables/transforms.rb', line 37

def self.from_soap_obj(mcoosystems)
  mcoosystems = [mcoosystems] if !mcoosystems.respond_to(:each)

   coosys = []
   mcoosystems.each do |mcoosys|
     equinox_txt = VOTable::_find_attr_value(mcoosys.__xmlattr, 'equinox')
     epoch_txt = VOTable::_find_attr_value(mcoosys.__xmlattr, 'epoch')
     system_txt = VOTable::_find_attr_value(mcoosys.__xmlattr, 'system') || 'eq_FK5'

     coosys.push(CooSys.new(
       VOTable::_find_attr_value(mcoosys.__xmlattr, 'ID'),
       (equinox_txt == nil)? nil: Type::AstroYear.new(equinox_txt),
       (epoch_txt == nil)? nil: Type::AstroYear.new(epoch_txt),
       Type::CoordSystemType.new(system_txt)
     ))
   end

   coosys
end

.from_xml(node) ⇒ Object 



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# File 'lib/voruby/votables/rexml_parser.rb', line 31

def self.from_xml(node)
id = node.attributes['ID']
equinox = Type::AstroYear.new(node.attributes['equinox']) if node.attributes['equinox']
epoch = Type::AstroYear.new(node.attributes['epoch']) if node.attributes['epoch']
system = Type::CoordSystemType.new(node.attributes['system']) if node.attributes['system']
	
return self.new(id, equinox, epoch, system)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/voruby/votables/meta.rb', line 82

def to_s
    			  "{id=#{@id};equinox=#{@equinox};epoch=#{@epoch};system=#{@system}}" 
end