Class: Bio::PhyloXML::Point

Inherits:
Object show all
Defined in:
lib/bio/db/phyloxml/phyloxml_elements.rb

Overview

Description

The coordinates of a point with an optional altitude. Required attribute ‘geodetic_datum’ is used to indicate the geodetic datum (also called ‘map datum’), for example Google’s KML uses ‘WGS84’.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#alt ⇒ Object

Float. Altitude



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# File 'lib/bio/db/phyloxml/phyloxml_elements.rb', line 446

def alt
  @alt
end

#alt_unit ⇒ Object

String. Altitude unit.



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# File 'lib/bio/db/phyloxml/phyloxml_elements.rb', line 449

def alt_unit
  @alt_unit
end

#geodetic_datum ⇒ Object

Geodedic datum / map datum



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# File 'lib/bio/db/phyloxml/phyloxml_elements.rb', line 452

def geodetic_datum
  @geodetic_datum
end

#lat ⇒ Object

Float. Latitude



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# File 'lib/bio/db/phyloxml/phyloxml_elements.rb', line 440

def lat
  @lat
end

#long ⇒ Object

Float. Longitute



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# File 'lib/bio/db/phyloxml/phyloxml_elements.rb', line 443

def long
  @long
end

Instance Method Details

#to_xml ⇒ Object

Converts elements to xml representation. Called by PhyloXML::Writer class.



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# File 'lib/bio/db/phyloxml/phyloxml_elements.rb', line 467

def to_xml
  raise "Geodedic datum is a required attribute of Point element." if @geodetic_datum.nil?

  p = LibXML::XML::Node.new('point')
  p["geodetic_datum"] = @geodetic_datum
  p["alt_unit"] = @alt_unit if @alt_unit != nil
  PhyloXML::Writer.generate_xml(p, self, [
      [:simple, 'lat', @lat],
      [:simple, 'long', @long],
      [:simple, 'alt', @alt]])
  return p
  #@todo check if characters are correctly generated, like Zuric
end