1 | #-------------------------------------------------------------------------------
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2 | # Name: SourceObject
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3 | # Purpose:
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4 | #
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5 | # Author: Kelvin
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6 | #
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7 | # Created: 02/01/2014
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8 | #-------------------------------------------------------------------------------
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9 |
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10 | """Duchamp Results Class Definition"""
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11 | # This is a class that holds various information from the results file generated by Duchamp
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12 | class DuchampResults():
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13 |
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14 | # Duchamp Results initialisation
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15 | def __init__(self, resultsFileName):
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16 |
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17 | # This is the name of the results file
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18 | self.resultsFileName = resultsFileName
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19 |
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20 | # This is the total number of detections we found in Duchamp
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21 | self.totalDetections = int(self.findParamInformation("# Total number of detections"))
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22 |
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23 | # This is the lower and upper boundaries of the channels flagged by the user
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24 | fc = self.findParamInformation("# Channels flagged by user")
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25 | (self.zf1, self.zf2) = (int(fc.split("-")[0]), int(fc.split("-")[1]))
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26 |
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27 | # This produces an array of SourceObject classes with indices corresponding to their Object ID
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28 | self.getSkyObjects()
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29 |
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30 | # This obtains all the parameters and their values listed in the results file
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31 | self.getParameterNamesAndValues()
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32 |
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33 | # By default, the names of the maskfits and input fits file are empty
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34 | self.maskfitsFileName = ''
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35 | self.fitsFileName = ''
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36 |
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37 | # This produces an array of SourceObject classes with indices corresponding to their Object ID
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38 | def getSkyObjects(self):
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39 |
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40 | # Initialise the SkyObjects read from the results file with indices corresponding to ObjID
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41 | self.SkyObjects = [self.totalDetections]
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42 | for ObjID in range(1, self.totalDetections + 1):
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43 | self.SkyObjects += [SourceObject(self.resultsFileName, ObjID)]
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44 |
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45 | # This finds the parameter value (on the other side of the equal sign) of the parameter name we specified
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46 | def findParamInformation(self, infoName):
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47 |
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48 | # Open the 'duchamp-Results.txt' file.
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49 | resultsFile = open(self.resultsFileName, 'r')
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50 |
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51 | # Go through each line.
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52 | for line in resultsFile:
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53 |
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54 | # Find the line with '=' in it.
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55 | if " = " in line:
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56 |
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57 | # Split the line at '='. There should only be two parts.
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58 | linebits = line.split(" = ")
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59 |
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60 | # If the variable is information we want, then close the file and grab the value of the total number of detections.
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61 | if infoName in linebits[0]:
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62 |
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63 | resultsFile.close()
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64 | return(linebits[1])
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65 |
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66 | # Otherwise, we will assume that there are no detections.
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67 | resultsFile.close()
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68 | return(0)
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69 |
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70 | def getParameterNamesAndValues(self):
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71 |
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72 | # Open the 'duchamp-Results.txt' file.
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73 | resultsFile = open(self.resultsFileName, 'r')
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74 |
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75 | self.parameterNames = []
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76 | self.parameterValues = []
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77 | self.parameters = {}
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78 | # Go through each line.
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79 | for line in resultsFile:
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80 |
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81 | # Find the line with '=' in it.
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82 | if " = " in line and "[" in line and "]" in line:
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83 |
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84 | parameterName = line.split('[')[1].split(']')[0]
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85 | parameterValue = line.split(' = ')[-1].split()[0]
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86 |
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87 | self.parameterNames += [parameterName]
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88 | self.parameterValues += [parameterValue]
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89 | self.parameters[parameterName] = parameterValue
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90 |
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91 |
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92 | # This converts the values of each paramter to its current format, given a list of values in string format.
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93 | def convertValues(values):
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94 |
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95 | # This will store the list of converted values.
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96 | convertedValues = []
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97 |
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98 | # Go through each value.
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99 | for value in values:
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100 |
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101 | # Convert it to either a string, a float, or integer, and add it to the list.
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102 | if ':' in value or 'J' in value or 'E' in value or 'J' in value or value == '-':
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103 | convertedValue = value
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104 | elif '.' in value and ':' not in value:
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105 | convertedValue = float(value)
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106 | else:
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107 |
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108 | try:
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109 | convertedValue = int(value)
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110 | except ValueError:
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111 | convertedValue = value
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112 |
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113 | convertedValues += [convertedValue]
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114 |
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115 | return(convertedValues)
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116 |
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117 | """Source Object Class Definition"""
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118 | # This contains some of the important information for a source we found through Duchamp
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119 | class SourceObject:
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120 |
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121 | # To initialise, we need the name of the results file and the ID of the object we want information from
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122 | def __init__(self, resultsFileName, ObjID):
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123 |
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124 | # This will be a dictionary mapping the parameter names of the source to its parameter values
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125 | self.stats = {}
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126 |
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127 | # Those are the list of parameter names and values in the order they were listed in the file
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128 | self.parameterNames = []
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129 | self.parameterValues = []
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130 |
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131 | # This is the results file
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132 | resultsFile = open(resultsFileName, 'r')
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133 |
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134 | #
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135 | for line in resultsFile:
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136 |
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137 | try:
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138 | if line.split()[1] == "ObjID":
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139 |
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140 | self.parameterNames = line.replace("# ", "").split()
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141 |
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142 | except IndexError:
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143 | pass
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144 |
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145 | if line.split()[0] == str(ObjID):
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146 |
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147 | self.parameterValueString = line.split()
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148 | self.parameterValues = convertValues(self.parameterValueString)
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149 |
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150 | resultsFile.close()
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151 |
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152 | if len(self.parameterNames) != len(self.parameterValues):
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153 | return
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154 |
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155 | for i in range(len(self.parameterNames)):
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156 | self.stats[self.parameterNames[i]] = self.parameterValues[i]
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157 |
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158 |
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159 |
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160 |
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161 | # Define a function to create a parameter file with the specified format
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162 | # Parameters:
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163 | # newParamFilePath: This is the path and name of the parameter file to write to
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164 | # parameters : This is the dictionary mapping the parameter names to their values
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165 | # parameterOrder : This is a list of the parameter names in the order they were found in the results file
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166 | def writeParamFile(newParamFilePath, parameters, parameterOrder):
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167 |
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168 | newParamFile = open(newParamFilePath, 'w')
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169 |
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170 | # Write the editted set of parameters into the new file
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171 | for par in parameterOrder:
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172 | newParamFile.write('%s %s\n'%(par, parameters[par]))
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173 |
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174 | newParamFile.close()
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175 |
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176 |
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177 |
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178 |
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179 |
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180 |
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181 |
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182 |
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183 |
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184 |
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185 |
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186 |
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