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

.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:

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

.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_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

.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:

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:

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:

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:

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_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_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:

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:

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