Module: ADIWG::Mdtranslator::Readers::Fgdc::MapLocalSystem

Defined in:
lib/adiwg/mdtranslator/readers/fgdc/modules/module_localSystem.rb

Class Method Summary collapse

Class Method Details

.unpack(xLocal, hResponseObj) ⇒ Object 



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/module_localSystem.rb', line 18

def self.unpack(xLocal, hResponseObj)

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   hProjection = intMetadataClass.newProjection
   hIdentifier = intMetadataClass.newIdentifier
   hLocal = intMetadataClass.newLocal
   hProjection[:projectionIdentifier] = hIdentifier
   hProjection[:local] = hLocal

   hIdentifier[:identifier] = 'localSystem'
   hIdentifier[:name] = 'Local Coordinate System'
   hLocal[:fixedToEarth] = false

   # local planar 4.1.3.1 (localdes) - local description
   # -> ReferenceSystemParameters.projection.local.description
   description = xLocal.xpath('./localdes').text
   unless description.empty?
      hLocal[:description] = description
   end
   if description.empty?
      hResponseObj[:readerExecutionMessages] <<
         'WARNING: FGDC reader: local coordinate system description is missing'
   end

   # local planar 4.1.3.2 (localgeo) - local georeference information
   # -> ReferenceSystemParameters.projection.local.georeference
   georeference = xLocal.xpath('./localgeo').text
   unless georeference.empty?
      hLocal[:georeference] = georeference
   end
   if georeference.empty?
      hResponseObj[:readerExecutionMessages] <<
         'WARNING: FGDC reader: local coordinate system georeference information is missing'
   end

   # packing
   hReferenceSystem = intMetadataClass.newSpatialReferenceSystem
   hSystemParameters = intMetadataClass.newReferenceSystemParameterSet
   hSystemParameters[:projection] = hProjection
   hReferenceSystem[:systemParameterSet] = hSystemParameters

   return hReferenceSystem

end