Class: EnergyPlus::DDYFile

Inherits:
Object
  • Object
show all
Defined in:
lib/energyplus/DDYFile.rb

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ DDYFile

Returns a new instance of DDYFile.



23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/energyplus/DDYFile.rb', line 23

def initialize(path)
  @path = path
  @lines = []
  if File.exists?(@path)
    File.open(@path) do |f|
      while line = f.gets
        @lines << line.chomp
      end
    end
  end
end

Instance Method Details

#cooling(typestr) ⇒ Object 



159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
 
# File 'lib/energyplus/DDYFile.rb', line 159

def cooling(typestr)
  search = "Annual Cooling " + typestr

  obj = findObjectByComment(search)

  puts "[DDYFile] #{File.basename(@path.to_s)} missing cooling #{typestr}" if obj.nil?

  ddyinfo = []
  ddyinfo << search.gsub("\\","")
  ddyinfo << search.gsub("\\","").gsub(" ","_").gsub(".","_").gsub("%","").gsub("=>","_").gsub("__","_")
  ddyinfo << obj

  return ddyinfo

end

#findObjectByComment(comment) ⇒ Object 



61
62
63
64
65
66
67
68
69
70
 
# File 'lib/energyplus/DDYFile.rb', line 61

def findObjectByComment(comment)
  comment = Regexp.new(comment)
  objects().each do |object|
    if object.comment =~ comment
      return object
    end
  end

  return nil
end

#get_data_source ⇒ Object

returns an array of “data source, year, and type



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/energyplus/DDYFile.rb', line 73

def get_data_source
  #! Using Design Conditions from "Climate Design Data 2005 ASHRAE Handbook"
  #! Using Design Conditions from "Climate Design Data 2009 ASHRAE Handbook"
  src_s = ""
  @lines.each_index do |i|
    if @lines[i] =~ /Climate Design Data [0-9]{4} ASHRAE Handbook/
      src_s = @lines[i]
      break
    end
  end

  src = []
  src << src_s.match("Climate Design Data [0-9]{4} ASHRAE Handbook")[0]
  src << src_s.match("[0-9]{4}")[0]
  src << "ASHRAE Handbook"

  return src

end

#get_indicating_type(ddyobj) ⇒ Object

updated for ddy for EP 7.1 2012



105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/energyplus/DDYFile.rb', line 105

def get_indicating_type(ddyobj)
  val = ddyobj.fieldString(8).downcase
  if val == "dewpoint"
  res = []
  res << val
  res << ddyobj.fieldValue(9)
  res << "C"
  elsif val == "wetbulb"
  res = []
  res << val
  res << ddyobj.fieldValue(9)
    res << "C"
 elsif val == "enthalpy"
  res = []
  res << val
  res << ddyobj.fieldValue(12)
  res << "kJ/kg"
  end
  return res
end

#heating(typestr) ⇒ Object

untyped enumerations for heating, cooling, and humidification make this an array, the first column of the array is the ep object, the remaining items are the “attributes and tags”



129
130
131
132
133
134
135
136
137
138
139
140
141
142
 
# File 'lib/energyplus/DDYFile.rb', line 129

def heating(typestr)
  search = "Annual Heating " + typestr

  obj = findObjectByComment(search)

  puts "[DDYFile] #{File.basename(@path.to_s)} missing heating #{typestr}" if obj.nil?

  ddyinfo = []
  ddyinfo << search.gsub("\\","")
  ddyinfo << search.gsub("\\","").gsub(" ","_").gsub(".","_").gsub("%","").gsub("=>","_").gsub("__","_")
  ddyinfo << obj

  return ddyinfo
end

#humidification(typestr) ⇒ Object 



144
145
146
147
148
149
150
151
152
153
154
155
156
157
 
# File 'lib/energyplus/DDYFile.rb', line 144

def humidification(typestr)
  search = "Annual Humidification " + typestr

  obj = findObjectByComment(search)

  puts "[DDYFile] #{File.basename(@path.to_s)} missing humidification #{typestr}" if obj.nil?

  ddyinfo = []
  ddyinfo << search.gsub("\\","")
  ddyinfo << search.gsub("\\","").gsub(" ","_").gsub(".","_").gsub("%","").gsub("=>","_").gsub("__","_")
  ddyinfo << obj

  return ddyinfo
end

#objects ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/energyplus/DDYFile.rb', line 35

def objects
  objects = []
  object_fields = []
  object_type = ''
  inobject = false
  object_comment = nil
  @lines.each_index do |i|
    if not inobject and @lines[i] =~ /^\s*\w/
      object_fields = []
      inobject = true
      object_type = @lines[i]
      if @lines[i-1] =~ /^\s*!/
        object_comment = @lines[i-1]
      end
    elsif inobject and @lines[i] =~ /^[^!]*;/
      object_fields << @lines[i]
      inobject = false
      objects << IdfObject.new(object_type,object_fields,object_comment)
    elsif inobject
      object_fields << @lines[i]
    else
    end
  end
  return objects
end

#write_idf_snippet(filename, ddyobj) ⇒ Object 



93
94
95
96
97
98
99
100
101
102
 
# File 'lib/energyplus/DDYFile.rb', line 93

def write_idf_snippet(filename, ddyobj)
  if not ddyobj.nil?
    File.delete(filename) if File.exists?(filename)
    File.open(filename, 'w') do |fl|
  #add version identifier to file
    fl << "\nVersion,\n  7.1;                                    ! Version Identifier \n\n"
      fl << ddyobj
    end
  end
end