Module: BTAP::FileIO

Defined in:
lib/openstudio-standards/btap/fileio.rb

Defined Under Namespace

Classes: FileIOTests

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.compare_osm_files(model_true, model_compare) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 716

def self.compare_osm_files(model_true, model_compare)
  only_model_true = [] # objects only found in the true model
  only_model_compare = [] # objects only found in the compare model
  both_models = [] # objects found in both models
  diffs = [] # differences between the two models
  num_ignored = 0 # objects not compared because they don't have names

  # Define types of objects to skip entirely during the comparison
  object_types_to_skip = [
      'OS:EnergyManagementSystem:Sensor', # Names are UIDs
      'OS:EnergyManagementSystem:Program', # Names are UIDs
      'OS:EnergyManagementSystem:Actuator', # Names are UIDs
      'OS:Connection', # Names are UIDs
      'OS:PortList', # Names are UIDs
      'OS:Building', # Name includes timestamp of creation
      'OS:ModelObjectList' # Names are UIDs
  ]

  # Find objects in the true model only or in both models
  model_true.getModelObjects.sort.each do |true_object|

    # Skip comparison of certain object types
    next if object_types_to_skip.include?(true_object.iddObject.name)

    # Skip comparison for objects with no name
    unless true_object.iddObject.hasNameField
      num_ignored += 1
      next
    end

    # Find the object with the same name in the other model
    compare_object = model_compare.getObjectByTypeAndName(true_object.iddObject.type, true_object.name.to_s)
    if compare_object.empty?
      only_model_true << true_object
    else
      both_models << [true_object, compare_object.get]
    end
  end

  # Report a diff for each object found in only the true model
  only_model_true.each do |true_object|
    diffs << "A #{true_object.iddObject.name} called '#{true_object.name}' was found only in the before model"
  end

  # Find objects in compare model only
  model_compare.getModelObjects.sort.each do |compare_object|

    # Skip comparison of certain object types
    next if object_types_to_skip.include?(compare_object.iddObject.name)

    # Skip comparison for objects with no name
    unless compare_object.iddObject.hasNameField
      num_ignored += 1
      next
    end

    # Find the object with the same name in the other model
    true_object = model_true.getObjectByTypeAndName(compare_object.iddObject.type, compare_object.name.to_s)
    if true_object.empty?
      only_model_compare << compare_object
    end
  end

  # Report a diff for each object found in only the compare model
  only_model_compare.each do |compare_object|
    #diffs << "An object called #{compare_object.name} of type #{compare_object.iddObject.name} was found only in the compare model"
    diffs << "A #{compare_object.iddObject.name} called '#{compare_object.name}' was found only in the after model"
  end

  # Compare objects found in both models field by field
  both_models.each do |b|
    true_object = b[0]
    compare_object = b[1]
    idd_object = true_object.iddObject

    true_object_num_fields = true_object.numFields
    compare_object_num_fields = compare_object.numFields

    # loop over fields skipping handle
    (1...[true_object_num_fields, compare_object_num_fields].max).each do |i|

      field_name = idd_object.getField(i).get.name

      # Don't compare node, branch, or port names because they are populated with IDs
      next if field_name.include?('Node Name')
      next if field_name.include?('Branch Name')
      next if field_name.include?('Inlet Port')
      next if field_name.include?('Outlet Port')
      next if field_name.include?('Inlet Node')
      next if field_name.include?('Outlet Node')
      next if field_name.include?('Port List')
      next if field_name.include?('Cooling Control Zone or Zone List Name')
      next if field_name.include?('Heating Control Zone or Zone List Name')
      next if field_name.include?('Heating Zone Fans Only Zone or Zone List Name')
      next if field_name.include?('Zone Terminal Unit List')

      # Don't compare the names of schedule type limits
      # because they appear to be created non-deteministically
      next if field_name.include?('Schedule Type Limits Name')

      # Get the value from the true object
      true_value = ""
      if i < true_object_num_fields
        true_value = true_object.getString(i).to_s
      end
      true_value = "-" if true_value.empty?

      # Get the same value from the compare object
      compare_value = ""
      if i < compare_object_num_fields
        compare_value = compare_object.getString(i).to_s
      end
      compare_value = "-" if compare_value.empty?

      # Round long numeric fields
      true_value = true_value.to_f.round(5) unless true_value.to_f.zero?
      compare_value = compare_value.to_f.round(5) unless compare_value.to_f.zero?

      # Move to the next field if no difference was found
      next if true_value == compare_value
      next if true_value.to_f.zero? && compare_value.to_f.zero?

      # Check numeric values if numeric
      if (compare_value.is_a? Numeric) && (true_value.is_a? Numeric)
        diff = true_value.to_f - compare_value.to_f
        unless true_value.zero?
          # next if absolute value is less than a tenth of a percent difference
          next if (diff / true_value.to_f).abs < 0.001
        end
      end

      # Report the difference
      diffs << "For #{true_object.iddObject.name} called '#{true_object.name}' field '#{field_name}': before model = #{true_value}, after model = #{compare_value}"

    end

  end

  return diffs
end

.compile_qaqc_results(output_folder) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 696

def self.compile_qaqc_results(output_folder)
  full_json = []
  Dir.foreach("#{output_folder}") do |folder|
    next if folder == '.' or folder == '..'
    Dir.glob("#{output_folder}/#{folder}/qaqc.json") { |item|
      puts "Reading #{output_folder}/#{folder}/qaqc.json"
      json = JSON.parse(File.read(item))
      json['eplusout_err']['warnings'] = json['eplusout_err']['warnings'].size
      json['eplusout_err']['severe'] = json['eplusout_err']['warnings'].size
      json['eplusout_err']['fatal'] = json['eplusout_err']['warnings'].size
      json['run_uuid'] = SecureRandom.uuid
      bldg = json['building']['name'].split('-')
      json['building_type'] = bldg[1]
      json['template'] = bldg[0]
      full_json << json
    }
  end
  File.open("#{output_folder}/../RESULTS-#{Time.now.strftime("%m-%d-%Y")}.json", 'w') {|f| f.write(JSON.pretty_generate(full_json)) }
end

.convert_all_eso_to_csv(in_folder, out_folder) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 315

def self.convert_all_eso_to_csv(in_folder,out_folder)
  list_of_csv_files = Array.new
  FileUtils.mkdir_p(out_folder)
  osmfiles = BTAP::FileIO::get_find_files_from_folder_by_extension(in_folder,".eso")

  osmfiles.each do |eso_file_path|

    #Run ESO Vars command must be run in folder.
    root_folder = Dir.getwd()
    #puts File.dirname(eso_file_path)
    Dir.chdir(File.dirname(eso_file_path))
    if File.exist?("eplustbl.htm")
      File.open("dummy.rvi", 'w') {|f| f.write("") }


      system("#{BTAP::SimManager::ProcessManager::find_read_vars_eso()} dummy.rvi unlimited")
      #get name of run from html file.
      runname = ""
      f = File.open("eplustbl.htm")
      f.each_line do |line|
        if line =~ /<p>Building: <b>(.*)<\/b><\/p>/
          #puts  "Found name: #{$1}"
          runname = $1
          break
        end
      end
      f.close
      #copy files over with distinct names
      #puts "copy hourly results to #{out_folder}/#{runname}_eplusout.csv"
      FileUtils.cp("eplusout.csv","#{out_folder}/#{runname}_eplusout.csv")
      #puts "copy html results to #{out_folder}/#{runname}_eplustbl.htm"
      FileUtils.cp("eplustbl.htm","#{out_folder}/#{runname}_eplustbl.htm")
      #puts "copy sql results to #{out_folder}/#{runname}_eplusout.sql"
      FileUtils.cp("eplusout.sql","#{out_folder}/#{runname}_eplusout.sql")


      list_of_csv_files << "#{out_folder}/#{runname}_eplusout.csv"
    end
    Dir.chdir(root_folder)
  end
  return list_of_csv_files
end

.convert_idf_to_osm(filepath) ⇒ Object

This method will recursively translate all IDFs in a folder to OSMs, and save them to the OSM_-No_Space_Types folder

Parameters:

  • filepath —

    The directory that holds the IDFs - usually DOEArchetypesOriginal

Returns:

  • nil

Author:

  • Brendan Coughlin



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# File 'lib/openstudio-standards/btap/fileio.rb', line 295

def self.convert_idf_to_osm(filepath)
  Find.find(filepath) { |file|
    if file[-4..-1] == ".idf"
      model = FileIO.load_idf(file)
      # this is a bit ugly but it works properly when called on a recursive folder structure
      FileIO.save_osm(model, (File.expand_path("..\\OSM-No_Space_Types\\", filepath) << "\\" << Pathname.new(file).basename.to_s)[0..-5])
      #puts # empty line break
    end
  }
end

.csv_look_up_rows(file, searchHash) ⇒ Object

This method will read a CSV file and return rows as hashes based on the selection given.

Parameters:

  • file —

    The path to the csv file.

  • searchHash

Returns:

  • matches A Array of rows that match the searchHash. The row is a Hash itself.

Author:

  • Phylroy Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 364

def self.csv_look_up_rows(file, searchHash)
  options = {
      :headers =>       true,
      :converters =>     :numeric }
  table = CSV.read( file, options )
  # we'll save the matches here
  matches = nil
  # save a copy of the headers
  matches = table.find_all do |row|
    row
    match = true
    searchHash.keys.each do |key|
      match = match && ( row[key] == searchHash[key] )
    end
    match
  end
  return matches
end

.csv_look_up_unique_col_data(file, colHeader) ⇒ Object

This method will read a CSV file and return the unique values in a given column header.

Parameters:

  • file —

    The path to the csv file.

  • colHeader —

    The header name in teh csv file.

Returns:

  • matches A Array of rows that match the searchHash. The row is a Hash itself.

Author:

  • Phylroy Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 397

def self.csv_look_up_unique_col_data(file, colHeader)
  column_data = Array.new
  CSV.foreach( file, :headers => true ) do |row|
    column_data << row[colHeader] # For each row, give me the cell that is under the colHeader column
  end
  return column_data.sort!.uniq
end

.csv_look_up_unique_row(file, searchHash) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 383

def self.csv_look_up_unique_row(file, searchHash)
  #Load Vintage database information.
  matches = BTAP::FileIO::csv_look_up_rows(file, searchHash)
  raise( "Error:  CSV lookup found more than one row that met criteria #{searchHash} in #{@file} ") if matches.size() > 1
  raise( "Error:  CSV lookup found no rows that met criteria #{searchHash} in #{@file}") if matches.size() < 1
  return matches[0]
end

.deep_copy(model, bool = true) ⇒ OpenStudio::Model::Model

This method will return a deep copy of the model. Simply because I don’t trust the clone method yet.

Returns:

  • (OpenStudio::Model::Model) —

    a copy of the OpenStudio model object.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 232

def self.deep_copy(model,bool = true)
  return model.clone(bool).to_Model

  # pull original weather file object over
  weather_file = new_model.getOptionalWeatherFile
  if not weather_file.empty?
    weather_file.get.remove
    BTAP::runner_register("Info", "Removed alternate model's weather file object.",runner)
  end
  original_weather_file = model.getOptionalWeatherFile
  if not original_weather_file.empty?
    original_weather_file.get.clone(new_model)
  end

  # pull original design days over
  new_model.getDesignDays.sort.each { |designDay|
    designDay.remove
  }
  model.getDesignDays.sort.each { |designDay|
    designDay.clone(new_model)
  }

  # swap underlying data in model with underlying data in new_model
  # remove existing objects from model
  handles = OpenStudio::UUIDVector.new
  model.objects.each do |obj|
    handles << obj.handle
  end
  model.removeObjects(handles)
  # add new file to empty model
  model.addObjects( new_model.toIdfFile.objects )
  BTAP::runner_register("Info",  "Model name is now #{model.building.get.name}.", runner)




end

.delete_files_in_folder_by_extention(folder, ext) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 81

def self.delete_files_in_folder_by_extention(folder,ext)
  BTAP::FileIO::get_find_files_from_folder_by_extension(folder, ext).each do |file|
    FileUtils.rm(file)
    #puts "#{file} deleted."
  end
end

.eleminate_duplicate_objs(model, model_obj_type) ⇒ Object

Eleminates duplicate ModelObjects of the given ModelObject type, based on the values of each fields within the ModelObject

Parameters:

  • model (OpenStudio::Model)
  • model_obj_type (String) —

    ModelObject type e.g. “OS:Material”

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 1093

def self.eleminate_duplicate_objs(model, model_obj_type) # = "OS:Material")
  model_objs_json = {}

  # convert each of the ModelObjectas a hash for easy parsing
  model.getModelObjects.sort.each {|obj|
    # hsh = idf_to_h_clean(obj) # stores the idf converted to hash, without UUIDs and Name field

    # create a hash containing all the model objects sorted by the name of the model object.
    # e.g the `OS:Construction` ModelObject  type will e placed within the `OS:Construction` key, and
    # each ModelObject has been converted to an idf_hash and pushed into the array with the appropriate key.
    (model_objs_json[obj.iddObject.name.to_s] ||= []) << idf_to_h(obj) # unless hsh.empty?
  }

  # isolate a single ModelObject type specified by the model_obj_type variable
  mat_array = model_objs_json[model_obj_type]
  if mat_array.nil? # return the old model if model_obj_type is not found
    puts "Skipping because ModelObject of type [#{model_obj_type}] was not found"
    return model
  end
  # group duplicates
  grouped_objs = group_similar_objects(mat_array)
  # replace handles of duplicate objects
  model_string = replace_duplicate_obj_handles(model, grouped_objs)
  # write the model string to a file and read it as a model
  new_model = get_OS_Model_from_string(model_string)

  # Now loop through each of the grouped objects. skip the first one, and get ModelObjects (from new osm file)
  # by name and safely remove all the duplicates
  grouped_objs.each {|key, dup_array|
    dup_array.each_with_index {|object, index |
      next if index == 0
      unless object.key?('Name') # if the idf_hash does not have a key called Name, Skip it.
        puts "Skipping ModelObject of type [#{model_obj_type}] With data [#{object.inspect}] does not have a field called 'Name'"
        next
      end
      name = object['Name']
      # puts "object: [#{object}]"
      # puts "object['Name']: [#{object['Name']}]"
      # get the object to delete by name
      obj_to_delete = new_model.getModelObjectByName(name)
      if obj_to_delete.empty? # check if the object to be deleted is initialized (or present within the new model)
        puts "ModelObject of type [#{model_obj_type}] with name [#{object['Name']}] does not exist in new model"
      else
        puts "ModelObject of type [#{model_obj_type}] with name [#{object['Name']}] was deleted"
        obj_to_delete = obj_to_delete.get # get the modelObject if it is initialized
        obj_to_delete.remove # remove object form the model
      end
    }
  }
  # File.open('./models/after.osm', 'w') { |file| file.write(new_model.to_s) }


  # File.open("./models/grp_#{model_obj_type}.json", 'w') { |file| file.write(JSON.pretty_generate(grouped_objs)) }

  return new_model
  # File.open('./models/after.osm', 'w') { |file| file.write(model_string) }
  # puts("\n\n\n" + "=="*10 + "\n\n")
  # puts JSON.pretty_generate(grouped_mats)
end

.find_file_in_folder_by_filename(folder, filename) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 88

def self.find_file_in_folder_by_filename(folder,filename)
  Dir.glob("#{folder}/**/*#{filename}")
end

.fix_url_to_path(url_string) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 92

def self.fix_url_to_path(url_string)
  if  url_string =~/\/([a-zA-Z]:.*)/
    return $1
  else
    return url_string
  end
end

.get_find_files_from_folder_by_extension(folder, ext) ⇒ Object

Get the filepath of all files with extention

Parameters:

  • folder (String) —

    the path to the folder to be scanned.

  • ext (String) —

    the file extension name, ex “.epw”

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 77

def self.get_find_files_from_folder_by_extension(folder, ext)
  Dir.glob("#{folder}/**/*#{ext}")
end

.get_name(model) ⇒ String

Get the name of the model.

Returns:

  • (String) —

    the name of the model.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 48

def self.get_name(model)
  unless model.building.get.name.empty?
    return model.building.get.name.get.to_s
  else
    return ""
  end
end

.get_OS_Model_from_string(model_string) ⇒ Object

This method gets the model string, writes it in a temporary location, reads it, and converts it to an OpenStudio Model using a VersionTranslater

Parameters:

  • model_string (String) —

    An OpenStudio::Model object converted to a string

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 1065

def self.get_OS_Model_from_string(model_string)
  require 'securerandom'
  require 'fileutils'
  # make temerorary directory called `temp` to store the osm file
  FileUtils.mkdir_p(File.join('.', 'temp'))
  # Using SecureRandom to generate the UUID to keep the osm file unique
  temp_filename =File.join('.', 'temp',SecureRandom.uuid.to_s + '.osm')
  # write the model string as a file
  File.open(temp_filename, 'w') { |file| file.write(model_string) }
  # use a VersionTranslator to read the osm model
  translator = OpenStudio::OSVersion::VersionTranslator.new
  path = OpenStudio::Path.new(temp_filename)
  # read the model
  model = translator.loadModel(path)
  model = model.get
  # remove the temporary model
  FileUtils.rm(temp_filename)
  return model
end

.get_timestep_data(osm_file, sql_file, variable_name_array, env_period = nil, hourly_time_step = nil) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 310

def self.get_timestep_data(osm_file,sql_file,variable_name_array, env_period = nil, hourly_time_step = nil )
  column_data = get_timeseries_arrays(sql, env_period, hourly_time_step, "Boiler Fan Coil Part Load Ratio")
end

.group_similar_objects(obj_array) ⇒ Object

This method will group similar objects under a key that has all the values of an IDF object which excludes Handles and Names. NOTE: The objexts grouped should have the fields in the same order. If not, then it would not be consired as a duplicate.

Examples:

Output:

"[\"Smooth\", \"0.216479986995276\", \"0.9\", \"0.7\", \"0.8\"]": [
    {
      "Handle": "{a7c45cf6-166d-48a6-9750-efb5c3386d91}",
      "Name": "Typical Carpet Pad",
      "Roughness": "Smooth",
      "Thermal Resistance {m2-K/W}": "0.216479986995276",
      "Thermal Absorptance": "0.9",
      "Solar Absorptance": "0.7",
      "Visible Absorptance": "0.8"
    },
    {
      "Handle": "{9873fb84-bfaf-459d-8b70-2c3f5722bda9}",
      "Name": "Typical Carpet Pad 1",
      "Roughness": "Smooth",
      "Thermal Resistance {m2-K/W}": "0.216479986995276",
      "Thermal Absorptance": "0.9",
      "Solar Absorptance": "0.7",
      "Visible Absorptance": "0.8"
    },
    {
      "Handle": "{63a12315-1de4-453a-b154-e6e6e9871be2}",
      "Name": "Typical Carpet Pad 4",
      "Roughness": "Smooth",
      "Thermal Resistance {m2-K/W}": "0.216479986995276",
      "Thermal Absorptance": "0.9",
      "Solar Absorptance": "0.7",
      "Visible Absorptance": "0.8"
    }
  ],

Parameters:

  • obj_array (Array) —

    An array of idf_hash. Each idf_hash was created by idf_to_h_clean or idf_to_h method

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 998

def self.group_similar_objects(obj_array)
  # group [objects] by values except Handles and Name
  grouped_objs = obj_array.group_by{ |idf_hash|
    out = []
    # skip Handle and Name keys
    #
    # ideally the `keys` of the `idf_hash` should be sorted,
    # but I'll leave it alone for now
    idf_hash.each {|key, val|
      next if key == "Handle"
      next if key == "Name"
      out << val # push all the values into an array. This becomes the key of the hash that contains the duplicate objects
    }
    out
  }

  # Sort the grouped [objects] by Name.
  # This is doen such that the first object will always have the smaller name
  grouped_objs.each {|key, dup_array|
    dup_array.sort_by{|idf_hash|
      # puts idf_hash
      idf_hash['Name'] # Sort by Name
    }
  }
  return grouped_objs
end

.idf_to_h(obj) ⇒ Object

This method converts an idf object to a hash

Examples:

Converts the following IDF (openstudio::ModelObject) to
==================================================================
OS:Material,
  {8adb3faa-8e6a-48e3-bd73-ba6a02154b02}, !- Handle
  1/2IN Gypsum,                           !- Name
  Smooth,                                 !- Roughness
  0.0127,                                 !- Thickness {m}
  0.16,                                   !- Conductivity {W/m-K}
  784.9,                                  !- Density {kg/m3}
  830.000000000001,                       !- Specific Heat {J/kg-K}
  0.9,                                    !- Thermal Absorptance
  0.4,                                    !- Solar Absorptance
  0.4;                                    !- Visible Absorptance
===================================================================

===================================================================
{
  "Handle": "{8adb3faa-8e6a-48e3-bd73-ba6a02154b02}",
  "Name": "1/2IN Gypsum",
  "Roughness": "Smooth",
  "Thickness {m}": "0.0127",
  "Conductivity {W/m-K}": "0.16",
  "Density {kg/m3}": "784.9",
  "Specific Heat {J/kg-K}": "830.000000000001",
  "Thermal Absorptance": "0.9",
  "Solar Absorptance": "0.4",
  "Visible Absorptance": "0.4"
},
===================================================================

Parameters:

  • obj (OpenStudio::ModelObject)

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 892

def self.idf_to_h(obj)
  # split idf object by line
  obj_string = obj.to_s.split("\n")
  new_obj_hash = {}

  # itterate through each line and split the value and field
  # and assign it to the hash
  obj_string.each_with_index {|line,i|
    next if i == 0
    line.gsub!(/(\,|\;)/, '') # remove commas and semi-colons
    line.strip! # remove whitespace at the end and the beginning of the string
    v,k = line.split(/\s*\!\-\s+/) # split the line into at the string '!-' including the spaces before and after
    new_obj_hash[k] = v
  }
  new_obj_hash
end

.idf_to_h_clean(obj) ⇒ Object

This method uses idf_to_h(obj) method, but deletes the fields named ‘Handle’ and ‘Name’

Examples:

Converts the following IDF (openstudio::ModelObject) to
==================================================================
OS:Material,
  {8adb3faa-8e6a-48e3-bd73-ba6a02154b02}, !- Handle
  1/2IN Gypsum,                           !- Name
  Smooth,                                 !- Roughness
  0.0127,                                 !- Thickness {m}
  0.16,                                   !- Conductivity {W/m-K}
  784.9,                                  !- Density {kg/m3}
  830.000000000001,                       !- Specific Heat {J/kg-K}
  0.9,                                    !- Thermal Absorptance
  0.4,                                    !- Solar Absorptance
  0.4;                                    !- Visible Absorptance
===================================================================

===================================================================
{
  "Roughness": "Smooth",
  "Thickness {m}": "0.0127",
  "Conductivity {W/m-K}": "0.16",
  "Density {kg/m3}": "784.9",
  "Specific Heat {J/kg-K}": "830.000000000001",
  "Thermal Absorptance": "0.9",
  "Solar Absorptance": "0.4",
  "Visible Absorptance": "0.4"
},
===================================================================

Parameters:

  • obj (OpenStudio::ModelObject)

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 942

def self.idf_to_h_clean(obj)
  # converts the idf object to hash
  idf_hash = idf_to_h(obj)

  # remove the field named `Handle` and `Name` from the idf_hash
  idf_hash.delete("Handle") if idf_hash.key?("Handle")
  idf_hash.delete("Handle".to_sym) if idf_hash.key?("Handle".to_sym)

  idf_hash.delete("Name") if idf_hash.key?("Name")
  idf_hash.delete("Name".to_sym) if idf_hash.key?("Name".to_sym)

  # Loop through idf_hash and delete any field that matched the UUID regex
  # idf_hash.each {|k,v|
  #   idf_hash.delete(k) if /^\{[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}\}$/.match(v)
  # }
  # idf_hash
end

.inject_osm_file(model, filepath) ⇒ OpenStudio::Model::Model

This method will inject OSM objects from a OSM file/library into the current model.

Parameters:

  • filepath (String) —

    path to the OSM library file.

Returns:

  • (OpenStudio::Model::Model) —

    an OpenStudio model object (self reference).

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 222

def self.inject_osm_file(model, filepath)
  osm_data = BTAP::FileIO::load_osm(filepath)
  model.addObjects(osm_data.objects);
  return model
end

.load_e_quest(filepath) ⇒ OpenStudio::Model::Model

This method loads an *Quest file into the model.

Parameters:

  • filepath (String) —

    path to the OSM file.

Returns:

  • (OpenStudio::Model::Model) —

    an OpenStudio model object.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 201

def self.load_e_quest(filepath)
  #load file
  unless File.exist?(filepath)
    raise 'File does not exist: ' + filepath.to_s
  end
  #puts "loading equest file #{filepath}. This will only convert geometry."
  #Create an instancse of a DOE model
  doe_model = BTAP::EQuest::DOEBuilding.new()
  #Load the inp data into the DOE model.
  doe_model.load_inp(filepath)

  #Convert the model to a OSM format.
  model = doe_model.create_openstudio_model_new()
  return model
end

.load_idf(filepath, name = "") ⇒ OpenStudio::Model::Model

This method loads an OpenStudio file into the model.

Parameters:

  • filepath (String) —

    path to the OSM file.

  • name (String) (defaults to: "") —

    optional model name to be set to model.

Returns:

  • (OpenStudio::Model::Model) —

    an OpenStudio model object.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 106

def self.load_idf(filepath, name = "")
  #load file
  unless File.exist?(filepath)
    raise 'File does not exist: ' + filepath.to_s
  end
  #puts "loading file #{filepath}..."
  model_path = OpenStudio::Path.new(filepath.to_s)
  #Upgrade version if required.
  version_translator = OpenStudio::OSVersion::VersionTranslator.new
  model = OpenStudio::EnergyPlus::loadAndTranslateIdf(model_path)
  version_translator.errors.each {|error| puts "Error: #{error.logMessage}\n\n"}
  version_translator.warnings.each {|warning| puts "Warning: #{warning.logMessage}\n\n"}
  #If model did not load correctly.
  if model.empty?
    raise 'something went wrong'
  end
  model = model.get
  if name != ""
    self.set_name(model,name)
  end
  #puts "File #{filepath} loaded."
  return model
end

.load_osm(filepath, name = "") ⇒ OpenStudio::Model::Model

This method loads an OpenStudio file into the model.

Parameters:

  • filepath (String) —

    path to the OSM file.

  • name (String) (defaults to: "") —

    optional model name to be set to model.

Returns:

  • (OpenStudio::Model::Model) —

    an OpenStudio model object.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 171

def self.load_osm(filepath, name = "")

  #load file
  unless File.exist?(filepath)
    raise 'File does not exist: ' + filepath.to_s
  end
  #puts "loading file #{filepath}..."
  model_path = OpenStudio::Path.new(filepath.to_s)
  #Upgrade version if required.
  version_translator = OpenStudio::OSVersion::VersionTranslator.new
  model = version_translator.loadModel(model_path)
  version_translator.errors.each {|error| puts "Error: #{error.logMessage}\n\n"}
  version_translator.warnings.each {|warning| puts "Warning: #{warning.logMessage}\n\n"}
  #If model did not load correctly.
  if model.empty?
    raise "could not load #{filepath}"
  end
  model = model.get
  if name != "" and not name.nil?
    self.set_name(model,name)
  end
  #puts "File #{filepath} loaded."

  return model
end

.remove_duplicate_materials_and_constructions(model) ⇒ Object

Eleminates duplicate Materials and Construction Objects The list of ModelObjects that are removed are:

"OS:Material",
"OS:Material:NoMass"
"OS:WindowMaterial:SimpleGlazingSystem"
"OS:WindowMaterial:Glazing"
"OS:WindowMaterial:Gas"
"OS:StandardsInformation:Material"
"OS:Construction"
"OS:DefaultSurfaceConstructions"
"OS:DefaultSubSurfaceConstructions"
"OS:DefaultConstructionSet"
"OS:StandardsInformation:Construction"

Parameters:

  • model (OpenStudio::Model)

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 1171

def self.remove_duplicate_materials_and_constructions(model)
  old_number_of_objects = model.getModelObjects.length
  new_model = model
  # eleminate dplicate Material objects
  obj_types = [
      "OS:Material",
      "OS:Material:NoMass",
      "OS:WindowMaterial:SimpleGlazingSystem",
      "OS:WindowMaterial:Glazing",
      "OS:WindowMaterial:Gas",
      "OS:StandardsInformation:Material"
  ]

  obj_types.each {|model_obj_type|
    new_model = eleminate_duplicate_objs(new_model, model_obj_type)
  }

  # eleminate dplicate Construction objects
  obj_types = [
      "OS:Construction",
      "OS:DefaultSurfaceConstructions",
      "OS:DefaultSubSurfaceConstructions",
      "OS:DefaultConstructionSet",
      "OS:StandardsInformation:Construction",
  ]
  obj_types.each {|model_obj_type|
    new_model = eleminate_duplicate_objs(new_model, model_obj_type)
  }

  new_number_of_objects = new_model.getModelObjects.length

  puts "Number of objects removed: #{old_number_of_objects - new_number_of_objects}"
  return new_model
end

.remove_rows_from_csv_table(start_index, stop_index, table) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 537

def self.remove_rows_from_csv_table(start_index,stop_index,table)
  total_rows_to_remove = stop_index - start_index
  (0..total_rows_to_remove-1).each do |counter|
    table.delete(start_index)
  end
  return table
end

.replace_duplicate_obj_handles(model, grouped_objs) ⇒ Object

Replace the UUID of the duplicate material, unless it contains “, !- Handle” This is done so after the model has been written to the disk, It can be read and the duplicate materials can be removed safely.

Parameters:

  • model (OpenStudio::Model)
  • grouped_objs (Hash) —

    Output provided by group_similar_objects()

Author:

  • Padmassun Rajakareyar



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# File 'lib/openstudio-standards/btap/fileio.rb', line 1033

def self.replace_duplicate_obj_handles(model, grouped_objs)
  model_string = model.to_s # convert the OS:Model into a String
  grouped_objs.each {|key, dup_array|
    dup_array.each_with_index {|idf_hash, index |
      next if index == 0 # skipping index 0, because it has the shortest name and considered as the original

      # givn that the idf_hash['Handle'] => '{8c88931b-e19d-479b-ac71-138d18c97cc9}'
      # The following regex matches "{8c88931b-e19d-479b-ac71-138d18c97cc9}" in the following line
      # {8c88931b-e19d-479b-ac71-138d18c97cc9}, !- Layer 1
      #
      # but matches nothing if the line has the keyword '!- Handle' in it e.g.
      # {8c88931b-e19d-479b-ac71-138d18c97cc9}, !- Handle
      replace_regex = idf_hash['Handle'].to_s.gsub('{', '\{'). # escape brackets
      gsub('}', '\}').   # escape brackets
      gsub('-', '\-') +  # escape dashes
          '(?!.*?\!\-(\s)*Handle)' # making sure the matched handle is not part of the line that contains the substring '!- Handle'
      replace_regex = Regexp.new(replace_regex)
      # p replace_regex

      # replace duplicate handles with the handle found at index 0
      model_string.gsub!(replace_regex, dup_array[0]['Handle'])# {|match| puts match;  dup_array[0]['Handle']}
    }
  }
  return model_string
end

.replace_model(model, new_model, runner = nil) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 130

def self.replace_model(model,new_model,runner = nil)
  # pull original weather file object over
  weather_file = new_model.getOptionalWeatherFile
  if not weather_file.empty?
    weather_file.get.remove
    BTAP::runner_register("Info", "Removed alternate model's weather file object.",runner)
  end
  original_weather_file = model.getOptionalWeatherFile
  if not original_weather_file.empty?
    original_weather_file.get.clone(new_model)
  end

  # pull original design days over
  new_model.getDesignDays.sort.each { |designDay|
    designDay.remove
  }
  model.getDesignDays.sort.each { |designDay|
    designDay.clone(new_model)
  }

  # swap underlying data in model with underlying data in new_model
  # remove existing objects from model
  handles = OpenStudio::UUIDVector.new
  model.objects.each do |obj|
    handles << obj.handle
  end
  model.removeObjects(handles)
  # add new file to empty model
  model.addObjects( new_model.toIdfFile.objects )
  BTAP::runner_register("Info",  "Model name is now #{model.building.get.name}.", runner)
end

.safe_load_model(model_path_string) ⇒ Object

load a model into OS & version translates, exiting and erroring if a problem is found



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# File 'lib/openstudio-standards/btap/fileio.rb', line 547

def self.safe_load_model(model_path_string)
  model_path = OpenStudio::Path.new(model_path_string)
  if OpenStudio::exists(model_path)
    versionTranslator = OpenStudio::OSVersion::VersionTranslator.new
    model = versionTranslator.loadModel(model_path)
    if model.empty?
      raise "Version translation failed for #{model_path_string}"
    else
      model = model.get
    end
  else
    raise "#{model_path_string} couldn't be found"
  end
  return model
end

.save_idf(model, filename) ⇒ OpenStudio::Model::Model

This method will translate to an E+ IDF format and save the model to an idf file.

Parameters:

  • model
  • filename —

    The full path to save to.

Returns:

  • (OpenStudio::Model::Model) —

    a copy of the OpenStudio model object.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 287

def self.save_idf(model,filename)
  OpenStudio::EnergyPlus::ForwardTranslator.new().translateModel(model).toIdfFile().save(OpenStudio::Path.new(filename),true)
end

.save_osm(model, filename) ⇒ OpenStudio::Model::Model

This method will save the model to an osm file.

Parameters:

  • model
  • filename —

    The full path to save to.

Returns:

  • (OpenStudio::Model::Model) —

    a copy of the OpenStudio model object.

Author:

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 275

def self.save_osm(model,filename)
  FileUtils.mkdir_p(File.dirname(filename))
  File.delete(filename) if File.exist?(filename)
  model.save(OpenStudio::Path.new(filename))
  #puts "File #{filename} saved."
end

.set_name(model, name) ⇒ String

Get the name of the model.

Returns:

  • (String) —

    the name of the model.

Author:

  • Phylroy A. Lopez

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 60

def self.set_name(model,name)
  unless model.building.empty?
    model.building.get.setName(name)
  end
end

.set_sql_file(model, sql_path) ⇒ String

Get the name of the model.

Returns:

  • (String) —

    the name of the model.

Author:

  • Phylroy A. Lopez

  • Phylroy A. Lopez



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# File 'lib/openstudio-standards/btap/fileio.rb', line 70

def self.set_sql_file(model,sql_path)
  model.setSqlFile(OpenStudio::Path.new( sql_path) )
end

.sum_row_headers(row, headers) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 405

def self.sum_row_headers(row,headers)
  total = 0.0
  headers.each { |header| total = total + row[header] }
  return total
end

.terminus_hourly_output(csv_file) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 411

def self.terminus_hourly_output(csv_file)
  #puts "Starting Terminus output processing."
  #puts "reading #{csv_file} being processed"
  #reads csv file into memory.
  original = CSV.read(csv_file,
                      {
                          :headers =>       true, #This flag tell the parser that there are headers.
                          :converters =>     :numeric  #This tell it to convert string data into numeric when possible.
                      }
  )
  #puts "done reading #{csv_file} being processed"
  # We are going to collect the header names  that fit a pattern. But first we need to
  # create array containers to save the header name. In ruby we can use the string header names
  # as the array index.

  #Create arrays to store the header names for each type.
  waterheater_gas_rate_headers = Array.new()
  waterheater_electric_rate_headers = Array.new()
  waterheater_heating_rate_headers = Array.new()
  cooling_coil_electric_power_headers = Array.new()
  cooling_coil_total_cooling_rate_headers = Array.new()
  heating_coil_air_heating_rate_headers = Array.new()
  heating_coil_gas_rate_headers = Array.new()
  plant_supply_heating_demand_rate_headers = Array.new()
  facility_total_electrical_demand_headers = Array.new()
  boiler_gas_rate_headers = Array.new()
  time_index  = Array.new()
  boiler_gas_rate_headers = Array.new()
  heating_coil_electric_power_headers = Array.new()


  #remove rows 2-169 (or 1-168 in computer array terms)
  original = self.remove_rows_from_csv_table(0,72,original)


  #Scan the CSV file to file all the headers that match the pattern. This will go through all the headers and find
  # any header that matches our regular expression if a match is made, the header name is stuffed into the string array.
  original.headers.each do |header|
    stripped_header = header.strip
    waterheater_electric_rate_headers                      << header if stripped_header =~/^.*:Water Heater Electric Power \[W\]\(Hourly\)$/
    waterheater_gas_rate_headers                           << header if stripped_header =~/^.*:Water Heater Gas Rate \[W\]\(Hourly\)$/
    waterheater_heating_rate_headers                       << header if stripped_header =~/^.*:Water Heater Heating Rate \[W\]\(Hourly\)$/
    cooling_coil_electric_power_headers                    << header if stripped_header =~/^.*:Cooling Coil Electric Power \[W\]\(Hourly\)$/
    cooling_coil_total_cooling_rate_headers                << header if stripped_header =~/^.*:Cooling Coil Total Cooling Rate \[W\]\(Hourly\)$/
    heating_coil_air_heating_rate_headers                  << header if stripped_header =~/^.*:Heating Coil Air Heating Rate \[W\]\(Hourly\)$/
    heating_coil_gas_rate_headers                          << header if stripped_header =~/^.*:Heating Coil Gas Rate \[W\]\(Hourly\)$/
    heating_coil_electric_power_headers                     << header if stripped_header =~/^.*:Heating Coil Electric Power \[W\]\(Hourly\)$/
    plant_supply_heating_demand_rate_headers               << header if stripped_header =~/^(?!SWH PLANT LOOP).*:Plant Supply Side Heating Demand Rate \[W\]\(Hourly\)$/
    facility_total_electrical_demand_headers               << header if stripped_header =~/^.*:Facility Total Electric Demand Power \[W\]\(Hourly\)$/
    boiler_gas_rate_headers                                << header if stripped_header =~/^.*:Boiler Gas Rate \[W\]\(Hourly\)/

  end
  #Debug printout stuff. Make sure the output it captures the headers you want otherwise modify the regex above
  #puts waterheater_gas_rate_headers
  #puts waterheater_electric_rate_headers
  #puts waterheater_heating_rate_headers

  #puts cooling_coil_electric_power_headers
  #puts cooling_coil_total_cooling_rate_headers

  #puts heating_coil_air_heating_rate_headers
  #puts heating_coil_gas_rate_headers

  #puts plant_supply_heating_demand_rate_headers
  #puts facility_total_electrical_demand_headers
  #puts boiler_gas_rate_headers
  #puts heating_coil_electric_power_headers


  #open up a new file to save the file to..Note: This will fail it the file is open in EXCEL.
  CSV.open("#{csv_file}.terminus_hourly.csv", 'w') do |csv|
    #Create header row for new terminus hourly file.
    csv << [
        "Date/Time",
        "water_heater_gas_rate_total",
        "water_heater_electric_rate_total",
        "water_heater_heating_rate_total",
        "cooling_coil_electric_power_total",
        "cooling_coil_total_cooling_rate_total",
        "heating_coil_air_heating_rate_total",
        "heating_coil_gas_rate_total",
        "heating_coil_electric_power_total",
        "plant_supply_heating_demand_rate_total",
        "facility_total_electrical_demand_total",
        "boiler_gas_rate_total"
    ]
    original.each do |row|

      # We are now writing data to the new csv file. This is where we can manipulate the data, row by row.
      # sum the headers collected above and store in specific *_total variables.
      # This is done via a small function self.sum_row_headers. There may only be a single
      # header collected.. That is fine. It is better to be flexible than hardcode anything.
      water_heater_gas_rate_total = self.sum_row_headers(row,waterheater_gas_rate_headers)
      water_heater_electric_rate_total = self.sum_row_headers(row,waterheater_electric_rate_headers)
      water_heater_heating_rate_total  = self.sum_row_headers(row,waterheater_heating_rate_headers)
      cooling_coil_electric_power_total = self.sum_row_headers(row, cooling_coil_electric_power_headers)
      cooling_coil_total_cooling_rate_total = self.sum_row_headers(row, cooling_coil_total_cooling_rate_headers)
      heating_coil_air_heating_rate_total = self.sum_row_headers(row, heating_coil_air_heating_rate_headers)
      heating_coil_gas_rate_total = self.sum_row_headers(row, heating_coil_gas_rate_headers)
      heating_coil_electric_power_total = self.sum_row_headers(row, heating_coil_electric_power_headers)
      plant_supply_heating_demand_rate_total = self.sum_row_headers(row, plant_supply_heating_demand_rate_headers)
      facility_total_electrical_demand_total = self.sum_row_headers(row, facility_total_electrical_demand_headers)
      boiler_gas_rate_headers_total = self.sum_row_headers(row, boiler_gas_rate_headers)



      #Write the data out. Should match header row as above.
      csv << [
          row["Date/Time"], #Time index is hardcoded because every file will have a "Date/Time" column header.
          water_heater_gas_rate_total,
          water_heater_electric_rate_total,
          water_heater_heating_rate_total,
          cooling_coil_electric_power_total,
          cooling_coil_total_cooling_rate_total,
          heating_coil_air_heating_rate_total,
          heating_coil_gas_rate_total,
          heating_coil_electric_power_total,
          plant_supply_heating_demand_rate_total,
          facility_total_electrical_demand_total,
          boiler_gas_rate_headers_total
      ]
    end
  end
  #puts "Ending Terminus output processing."
end

Instance Method Details

#debug_puts(puts_text) ⇒ Object

function to wrap debug == true puts



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# File 'lib/openstudio-standards/btap/fileio.rb', line 576

def debug_puts(puts_text)
  if Debug_Mode == true
    puts "#{puts_text}"
  end
end

#get_timeseries_array(openstudio_sql_file, timestep, variable_name, key_value) ⇒ Object

gets a time series data vector from the sql file and puts the values into a standard array of numbers



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# File 'lib/openstudio-standards/btap/fileio.rb', line 602

def get_timeseries_array(openstudio_sql_file, timestep, variable_name, key_value)
  zone_time_step = "Zone Timestep"
  hourly_time_step = "Hourly"
  hvac_time_step = "HVAC System Timestep"
  timestep = hourly_time_step
  env_period = openstudio_sql_file.availableEnvPeriods[0]
  #puts openstudio_sql_file.class
  #puts env_period.class
  #puts timestep.class
  #puts variable_name.class
  #puts key_value.class
  key_value = key_value.upcase  #upper cases the key_value b/c it is always uppercased in the sql file.
  #timestep = timestep.capitalize  #capitalize the timestep b/c it is always capitalized in the sql file
  #timestep = timestep.split(" ").each{|word| word.capitalize!}.join(" ")
  #returns an array of all keyValues matching the variable name, envPeriod, and reportingFrequency
  #we'll use this to check if the query will work before we send it.
  puts "*#{env_period}*#{timestep}*#{variable_name}"
  time_series_array = []
  puts env_period.class
  if env_period.nil?

    time_series_array = [nil]
    return time_series_array
  end
  possible_env_periods = openstudio_sql_file.availableEnvPeriods()
  if possible_env_periods.nil?
    time_series_array = [nil]
    return time_series_array
  end
  possible_timesteps = openstudio_sql_file.availableReportingFrequencies(env_period)
  if possible_timesteps.nil?
    time_series_array = [nil]
    return time_series_array
  end
  possible_variable_names = openstudio_sql_file.availableVariableNames(env_period,timestep)
  if possible_variable_names.nil?
    time_series_array = [nil]
    return time_series_array
  end
  possible_key_values = openstudio_sql_file.availableKeyValues(env_period,timestep,variable_name)
  if possible_key_values.nil?
    time_series_array = [nil]
    return time_series_array
  end

  if possible_key_values.include? key_value and
      possible_variable_names.include? variable_name and
      possible_env_periods.include? env_period and
      possible_timesteps.include? timestep
    #the query is valid
    time_series = openstudio_sql_file.timeSeries(env_period, timestep, variable_name, key_value)
    if time_series #checks to see if time_series exists
      time_series = time_series.get.values
      debug_puts "  #{key_value} time series length = #{time_series.size}"
      for i in 0..(time_series.size - 1)
        #puts "#{i.to_s} -- #{time_series[i]}"
        time_series_array << time_series[i]
      end
    end
  else
    #do this if the query is not valid.  The comments might help troubleshoot.
    time_series_array = [nil]
    debug_puts "***The pieces below do NOT make a valid query***"
    debug_puts "  *#{key_value}* - this key value might not exist for the variable you are looking for"
    debug_puts "  *#{timestep}* - this value should be Hourly, Monthly, Zone Timestep, HVAC System Timestep, etc"
    debug_puts "  *#{variable_name}* - every word should be capitalized EG:  Refrigeration System Total Compressor Electric Energy "
    debug_puts "  *#{env_period}* - you can get an array of all the valid env periods by using the sql_file.availableEnvPeriods() method "
    debug_puts "  Possible key values: #{possible_key_values}"
    debug_puts "  Possible Variable Names: #{possible_variable_names}"
    debug_puts "  Possible run periods:  #{possible_env_periods}"
    debug_puts "  Possible timesteps:  #{possible_timesteps}"
  end
  return time_series_array
end

#get_timeseries_arrays(openstudio_sql_file, timestep, variable_name_array, regex_name_filter = /.*/, env_period = nil) ⇒ Object 



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# File 'lib/openstudio-standards/btap/fileio.rb', line 582

def get_timeseries_arrays(openstudio_sql_file, timestep, variable_name_array, regex_name_filter = /.*/, env_period = nil)
  returnArray = Array.new()
  variable_name_array.each do |variable_name|
    possible_key_values = openstudio_sql_file.availableKeyValues(env_period,timestep,variable_name)
    possible_variable_names = openstudio_sql_file.availableVariableNames(env_period,timestep).include?(variable_name)
    if not possible_variable_names.nil?  and  possible_variable_names.include?(variable_name) and not possible_key_values.nil?
      possible_key_values.get.sort.each do |key_value|
        unless regex_name_filter.match(key_value).nil?
          returnArray << get_timeseries_array(openstudio_sql_file, timestep, variable_name, key_value)
        end
      end
    end
    return returnArray
  end
end

#ip_to_si(number, ip_unit_string, si_unit_string) ⇒ Object

method for converting from IP to SI if you know the strings of the input and the output



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# File 'lib/openstudio-standards/btap/fileio.rb', line 686

def ip_to_si(number, ip_unit_string, si_unit_string)
  ip_unit = OpenStudio::createUnit(ip_unit_string, "IP".to_UnitSystem).get
  si_unit = OpenStudio::createUnit(si_unit_string, "SI".to_UnitSystem).get
  #puts "#{ip_unit} --> #{si_unit}"
  ip_quantity = OpenStudio::Quantity.new(number, ip_unit)
  si_quantity = OpenStudio::convert(ip_quantity, si_unit).get
  #puts "#{ip_quantity} = #{si_quantity}"
  return si_quantity.value
end

#non_zero_array_average(arr) ⇒ Object

gets the average of the numbers in an array



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# File 'lib/openstudio-standards/btap/fileio.rb', line 678

def non_zero_array_average(arr)
  debug_puts "average of the entire array = #{arr.inject{ |sum, el| sum + el }.to_f / arr.size}"
  arr.delete(0)
  debug_puts "average of the non-zero numbers in the array = #{arr.inject{ |sum, el| sum + el }.to_f / arr.size}"
  return arr.inject{ |sum, el| sum + el }.to_f / arr.size
end

#safe_load_sql(sql_path_string) ⇒ Object

load a sql file, exiting and erroring if a problem is found



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# File 'lib/openstudio-standards/btap/fileio.rb', line 564

def safe_load_sql(sql_path_string)
  sql_path = OpenStudio::Path.new(sql_path_string)
  if OpenStudio::exists(sql_path)
    sql = OpenStudio::SqlFile.new(sql_path)
  else
    puts "Error: #{sql_path} couldn't be found"
    exit
  end
  return sql
end