pulibrary / bibdata / f04bc944-f9b4-4a42-8b26-dcacd0e3e688

coverage: 34.017% (-58.1%) from 92.162%

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12.5
/marc_to_solr/lib/geo.rb
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# geo.rb
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# extract geo-related data from MARC
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def decimal_coordinate record




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  coverage = []




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  Traject::MarcExtractor.cached('034defg').collect_matching_lines(record) do |field, _spec, _extractor|




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    c = {}




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    field.subfields.each do |s_field|




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      c['w'] = s_field.value if (s_field.code == 'd') && valid_coordinate_format?(s_field.value, record)




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      c['e'] = s_field.value if (s_field.code == 'e') && valid_coordinate_format?(s_field.value, record)




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      c['n'] = s_field.value if (s_field.code == 'f') && valid_coordinate_format?(s_field.value, record)




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      c['s'] = s_field.value if (s_field.code == 'g') && valid_coordinate_format?(s_field.value, record)




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    end











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    if c.length != 4




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      # turning of geo coordinate logging for now










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      # logger.error "#{record['001']} - missing coordinate"











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      break




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    end










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    coverage << "northlimit=#{c['n']}; eastlimit=#{c['e']}; southlimit=#{c['s']}; westlimit=#{c['w']}; units=degrees; projection=EPSG:4326"




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  end










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  # turning of geo coordinate logging for now










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  # logger.error "#{record['001']} - multiple 034s" if coverage.length > 1











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  coverage.first




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end










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def valid_coordinate_format? c, _record




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  return false unless /^[-+]?[0-9]*\.?[0-9]+$/.match?(c)




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  true




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end
























    

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