1 | from asap._asap import sdtable |
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2 | from asap import rcParams |
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3 | from numarray import ones,zeros |
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4 | import sys |
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5 | |
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6 | class scantable(sdtable): |
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7 | """ |
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8 | The ASAP container for scans |
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9 | """ |
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10 | |
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11 | def __init__(self, filename, unit=None): |
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12 | """ |
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13 | Create a scantable from a saved one or make a reference |
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14 | Parameters: |
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15 | filename: the name of an asap table on disk |
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16 | or |
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17 | the name of a rpfits/sdfits/ms file |
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18 | (integrations within scans are auto averaged |
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19 | and the whole file is read) |
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20 | or |
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21 | [advanced] a reference to an existing |
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22 | scantable |
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23 | unit: brightness unit; must be consistent with K or Jy. |
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24 | Over-rides the default selected by the reader |
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25 | (input rpfits/sdfits/ms) or replaces the value |
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26 | in existing scantables |
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27 | """ |
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28 | self._vb = rcParams['verbose'] |
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29 | self._p = None |
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30 | from os import stat as st |
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31 | import stat |
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32 | if isinstance(filename,sdtable): |
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33 | sdtable.__init__(self, filename) |
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34 | if unit is not None: |
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35 | self.set_fluxunit(unit) |
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36 | else: |
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37 | import os.path |
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38 | if not os.path.exists(filename): |
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39 | print "File '%s' not found." % (filename) |
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40 | return |
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41 | filename = os.path.expandvars(filename) |
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42 | if os.path.isdir(filename): |
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43 | # crude check if asap table |
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44 | if os.path.exists(filename+'/table.info'): |
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45 | sdtable.__init__(self, filename) |
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46 | if unit is not None: |
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47 | self.set_fluxunit(unit) |
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48 | else: |
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49 | print "The given file '%s'is not a valid asap table." % (filename) |
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50 | return |
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51 | else: |
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52 | autoav = rcParams['scantable.autoaverage'] |
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53 | |
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54 | from asap._asap import sdreader |
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55 | ifSel = -1 |
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56 | beamSel = -1 |
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57 | r = sdreader(filename,ifSel,beamSel) |
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58 | print 'Importing data...' |
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59 | r._read([-1]) |
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60 | tbl = r._getdata() |
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61 | if unit is not None: |
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62 | tbl.set_fluxunit(unit) |
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63 | if autoav: |
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64 | from asap._asap import average |
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65 | tmp = tuple([tbl]) |
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66 | print 'Auto averaging integrations...' |
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67 | tbl2 = average(tmp,(),True,'none') |
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68 | sdtable.__init__(self,tbl2) |
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69 | del r,tbl |
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70 | else: |
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71 | sdtable.__init__(self,tbl) |
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72 | |
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73 | def save(self, name=None, format=None, overwrite=False): |
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74 | """ |
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75 | Store the scantable on disk. This can be an asap (aips++) Table, SDFITS, |
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76 | Image FITS or MS2 format. |
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77 | Parameters: |
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78 | name: the name of the outputfile. For format="FITS" this |
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79 | is the directory file name into which all the files will |
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80 | be written (default is 'asap_FITS') |
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81 | format: an optional file format. Default is ASAP. |
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82 | Allowed are - 'ASAP' (save as ASAP [aips++] Table), |
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83 | 'SDFITS' (save as SDFITS file) |
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84 | 'FITS' (saves each row as a FITS Image) |
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85 | 'ASCII' (saves as ascii text file) |
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86 | 'MS2' (saves as an aips++ |
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87 | MeasurementSet V2) |
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88 | overwrite: If the file should be overwritten if it exists. |
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89 | The default False is to return with warning |
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90 | without writing the output. USE WITH CARE. |
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91 | Example: |
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92 | scan.save('myscan.asap') |
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93 | scan.save('myscan.sdfits','SDFITS') |
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94 | """ |
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95 | from os import path |
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96 | if format is None: format = rcParams['scantable.save'] |
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97 | suffix = '.'+format.lower() |
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98 | if name is None or name =="": |
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99 | name = 'scantable'+suffix |
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100 | print "No filename given. Using default name %s..." % name |
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101 | name = path.expandvars(name) |
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102 | if path.isfile(name) or path.isdir(name): |
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103 | if not overwrite: |
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104 | print "File %s already exists." % name |
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105 | return |
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106 | if format == 'ASAP': |
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107 | self._save(name) |
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108 | else: |
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109 | from asap._asap import sdwriter as _sw |
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110 | w = _sw(format) |
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111 | w.write(self, name) |
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112 | return |
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113 | |
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114 | def copy(self): |
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115 | """ |
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116 | Return a copy of this scantable. |
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117 | Parameters: |
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118 | none |
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119 | Example: |
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120 | copiedscan = scan.copy() |
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121 | """ |
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122 | sd = scantable(sdtable._copy(self)) |
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123 | return sd |
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124 | |
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125 | def get_scan(self, scanid=None): |
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126 | """ |
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127 | Return a specific scan (by scanno) or collection of scans (by |
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128 | source name) in a new scantable. |
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129 | Parameters: |
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130 | scanid: a scanno or a source name |
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131 | Example: |
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132 | scan.get_scan('323p459') |
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133 | # gets all scans containing the source '323p459' |
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134 | """ |
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135 | if scanid is None: |
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136 | print "Please specify a scan no or name to retrieve from the scantable" |
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137 | try: |
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138 | if type(scanid) is str: |
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139 | s = sdtable._getsource(self,scanid) |
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140 | return scantable(s) |
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141 | elif type(scanid) is int: |
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142 | s = sdtable._getscan(self,[scanid]) |
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143 | return scantable(s) |
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144 | elif type(scanid) is list: |
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145 | s = sdtable._getscan(self,scanid) |
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146 | return scantable(s) |
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147 | else: |
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148 | print "Illegal scanid type, use 'int' or 'list' if ints." |
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149 | except RuntimeError: |
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150 | print "Couldn't find any match." |
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151 | |
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152 | def __str__(self): |
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153 | return sdtable._summary(self,True) |
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154 | |
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155 | def summary(self,filename=None, verbose=None): |
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156 | """ |
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157 | Print a summary of the contents of this scantable. |
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158 | Parameters: |
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159 | filename: the name of a file to write the putput to |
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160 | Default - no file output |
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161 | verbose: print extra info such as the frequency table |
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162 | The default (False) is taken from .asaprc |
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163 | """ |
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164 | info = sdtable._summary(self, verbose) |
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165 | if verbose is None: verbose = rcParams['scantable.verbosesummary'] |
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166 | if filename is not None: |
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167 | if filename is "": |
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168 | filename = 'scantable_summary.txt' |
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169 | from os.path import expandvars, isdir |
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170 | filename = expandvars(filename) |
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171 | if not isdir(filename): |
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172 | data = open(filename, 'w') |
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173 | data.write(info) |
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174 | data.close() |
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175 | else: |
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176 | print "Illegal file name '%s'." % (filename) |
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177 | print info |
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178 | |
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179 | def set_cursor(self, thebeam=0,theif=0,thepol=0): |
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180 | """ |
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181 | Set the spectrum for individual operations. |
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182 | Parameters: |
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183 | thebeam,theif,thepol: a number |
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184 | Example: |
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185 | scan.set_cursor(0,0,1) |
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186 | pol1sig = scan.stats(all=False) # returns std dev for beam=0 |
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187 | # if=0, pol=1 |
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188 | """ |
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189 | self.setbeam(thebeam) |
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190 | self.setpol(thepol) |
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191 | self.setif(theif) |
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192 | return |
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193 | |
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194 | def get_cursor(self): |
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195 | """ |
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196 | Return/print a the current 'cursor' into the Beam/IF/Pol cube. |
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197 | Parameters: |
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198 | none |
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199 | Returns: |
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200 | a list of values (currentBeam,currentIF,currentPol) |
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201 | Example: |
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202 | none |
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203 | """ |
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204 | i = self.getbeam() |
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205 | j = self.getif() |
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206 | k = self.getpol() |
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207 | if self._vb: |
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208 | print "--------------------------------------------------" |
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209 | print " Cursor position" |
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210 | print "--------------------------------------------------" |
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211 | out = 'Beam=%d IF=%d Pol=%d ' % (i,j,k) |
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212 | print out |
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213 | return i,j,k |
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214 | |
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215 | def stats(self, stat='stddev', mask=None, all=None): |
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216 | """ |
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217 | Determine the specified statistic of the current beam/if/pol |
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218 | Takes a 'mask' as an optional parameter to specify which |
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219 | channels should be excluded. |
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220 | Parameters: |
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221 | stat: 'min', 'max', 'sumsq', 'sum', 'mean' |
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222 | 'var', 'stddev', 'avdev', 'rms', 'median' |
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223 | mask: an optional mask specifying where the statistic |
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224 | should be determined. |
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225 | all: if true show all (default or .asaprc) rather |
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226 | that the cursor selected spectrum of Beam/IF/Pol |
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227 | |
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228 | Example: |
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229 | scan.set_unit('channel') |
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230 | msk = scan.create_mask([100,200],[500,600]) |
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231 | scan.stats(stat='mean', mask=m) |
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232 | """ |
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233 | if all is None: all = rcParams['scantable.allaxes'] |
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234 | from asap._asap import stats as _stats |
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235 | from numarray import array,zeros,Float |
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236 | if mask == None: |
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237 | mask = ones(self.nchan()) |
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238 | axes = ['Beam','IF','Pol','Time'] |
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239 | |
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240 | if all: |
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241 | n = self.nbeam()*self.nif()*self.npol()*self.nrow() |
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242 | shp = [self.nbeam(),self.nif(),self.npol(),self.nrow()] |
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243 | arr = array(zeros(n),shape=shp,type=Float) |
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244 | |
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245 | for i in range(self.nbeam()): |
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246 | self.setbeam(i) |
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247 | for j in range(self.nif()): |
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248 | self.setif(j) |
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249 | for k in range(self.npol()): |
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250 | self.setpol(k) |
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251 | arr[i,j,k,:] = _stats(self,mask,stat,-1) |
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252 | retval = {'axes': axes, 'data': arr, 'cursor':None} |
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253 | tm = [self._gettime(val) for val in range(self.nrow())] |
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254 | if self._vb: |
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255 | self._print_values(retval,stat,tm) |
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256 | return retval |
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257 | |
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258 | else: |
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259 | i,j,k = (self.getbeam(),self.getif(),self.getpol()) |
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260 | statval = _stats(self,mask,stat,-1) |
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261 | out = '' |
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262 | for l in range(self.nrow()): |
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263 | tm = self._gettime(l) |
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264 | out += 'Time[%s]:\n' % (tm) |
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265 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
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266 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
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267 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
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268 | out += '= %3.3f\n' % (statval[l]) |
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269 | out += "--------------------------------------------------\n" |
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270 | |
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271 | if self._vb: |
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272 | print "--------------------------------------------------" |
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273 | print " ",stat |
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274 | print "--------------------------------------------------" |
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275 | print out |
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276 | retval = {'axes': axes, 'data': array(statval), 'cursor':(i,j,k)} |
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277 | return retval |
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278 | |
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279 | def stddev(self,mask=None, all=None): |
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280 | """ |
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281 | Determine the standard deviation of the current beam/if/pol |
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282 | Takes a 'mask' as an optional parameter to specify which |
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283 | channels should be excluded. |
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284 | Parameters: |
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285 | mask: an optional mask specifying where the standard |
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286 | deviation should be determined. |
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287 | all: optional flag to show all or a cursor selected |
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288 | spectrum of Beam/IF/Pol. Default is all or taken |
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289 | from .asaprc |
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290 | |
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291 | Example: |
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292 | scan.set_unit('channel') |
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293 | msk = scan.create_mask([100,200],[500,600]) |
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294 | scan.stddev(mask=m) |
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295 | """ |
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296 | if all is None: all = rcParams['scantable.allaxes'] |
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297 | return self.stats(stat='stddev',mask=mask, all=all); |
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298 | |
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299 | def get_tsys(self, all=None): |
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300 | """ |
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301 | Return the System temperatures. |
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302 | Parameters: |
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303 | all: optional parameter to get the Tsys values for all |
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304 | Beams/IFs/Pols (default) or just the one selected |
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305 | with scantable.set_cursor() |
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306 | [True or False] |
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307 | Returns: |
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308 | a list of Tsys values. |
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309 | """ |
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310 | if all is None: all = rcParams['scantable.allaxes'] |
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311 | from numarray import array,zeros,Float |
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312 | axes = ['Beam','IF','Pol','Time'] |
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313 | |
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314 | if all: |
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315 | n = self.nbeam()*self.nif()*self.npol()*self.nrow() |
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316 | shp = [self.nbeam(),self.nif(),self.npol(),self.nrow()] |
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317 | arr = array(zeros(n),shape=shp,type=Float) |
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318 | |
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319 | for i in range(self.nbeam()): |
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320 | self.setbeam(i) |
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321 | for j in range(self.nif()): |
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322 | self.setif(j) |
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323 | for k in range(self.npol()): |
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324 | self.setpol(k) |
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325 | arr[i,j,k,:] = self._gettsys() |
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326 | retval = {'axes': axes, 'data': arr, 'cursor':None} |
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327 | tm = [self._gettime(val) for val in range(self.nrow())] |
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328 | if self._vb: |
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329 | self._print_values(retval,'Tsys',tm) |
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330 | return retval |
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331 | |
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332 | else: |
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333 | i,j,k = (self.getbeam(),self.getif(),self.getpol()) |
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334 | statval = self._gettsys() |
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335 | out = '' |
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336 | for l in range(self.nrow()): |
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337 | tm = self._gettime(l) |
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338 | out += 'Time[%s]:\n' % (tm) |
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339 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
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340 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
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341 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
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342 | out += '= %3.3f\n' % (statval[l]) |
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343 | out += "--------------------------------------------------\n" |
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344 | |
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345 | if self._vb: |
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346 | print "--------------------------------------------------" |
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347 | print " TSys" |
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348 | print "--------------------------------------------------" |
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349 | print out |
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350 | retval = {'axes': axes, 'data': array(statval), 'cursor':(i,j,k)} |
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351 | return retval |
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352 | |
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353 | def get_time(self, row=-1): |
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354 | """ |
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355 | Get a list of time stamps for the observations. |
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356 | Return a string for each integration in the scantable. |
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357 | Parameters: |
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358 | row: row no of integration. Default -1 return all rows |
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359 | Example: |
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360 | none |
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361 | """ |
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362 | out = [] |
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363 | if row == -1: |
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364 | for i in range(self.nrow()): |
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365 | out.append(self._gettime(i)) |
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366 | return out |
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367 | else: |
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368 | if row < self.nrow(): |
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369 | return self._gettime(row) |
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370 | |
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371 | def set_unit(self, unit='channel'): |
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372 | """ |
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373 | Set the unit for all following operations on this scantable |
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374 | Parameters: |
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375 | unit: optional unit, default is 'channel' |
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376 | one of '*Hz','km/s','channel', '' |
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377 | """ |
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378 | |
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379 | if unit in ['','pixel', 'channel']: |
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380 | unit = '' |
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381 | inf = list(self._getcoordinfo()) |
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382 | inf[0] = unit |
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383 | self._setcoordinfo(inf) |
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384 | if self._p: self.plot() |
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385 | |
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386 | def set_instrument (self, instr): |
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387 | """ |
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388 | Set the instrument for subsequent processing |
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389 | Parameters: |
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390 | instr: Select from 'ATPKSMB', 'ATPKSHOH', 'ATMOPRA', |
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391 | 'DSS-43' (Tid), 'CEDUNA', and 'HOBART' |
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392 | """ |
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393 | self._setInstrument(instr) |
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394 | |
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395 | def set_doppler(self, doppler='RADIO'): |
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396 | """ |
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397 | Set the doppler for all following operations on this scantable. |
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398 | Parameters: |
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399 | doppler: One of 'RADIO', 'OPTICAL', 'Z', 'BETA', 'GAMMA' |
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400 | """ |
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401 | |
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402 | inf = list(self._getcoordinfo()) |
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403 | inf[2] = doppler |
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404 | self._setcoordinfo(inf) |
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405 | if self._p: self.plot() |
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406 | |
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407 | def set_freqframe(self, frame=None): |
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408 | """ |
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409 | Set the frame type of the Spectral Axis. |
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410 | Parameters: |
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411 | frame: an optional frame type, default 'LSRK'. |
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412 | Examples: |
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413 | scan.set_freqframe('BARY') |
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414 | """ |
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415 | if not frame: frame = rcParams['scantable.freqframe'] |
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416 | valid = ['REST','TOPO','LSRD','LSRK','BARY', \ |
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417 | 'GEO','GALACTO','LGROUP','CMB'] |
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418 | if frame in valid: |
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419 | inf = list(self._getcoordinfo()) |
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420 | inf[1] = frame |
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421 | self._setcoordinfo(inf) |
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422 | else: |
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423 | print "Please specify a valid freq type. Valid types are:\n",valid |
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424 | |
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425 | def get_unit(self): |
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426 | """ |
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427 | Get the default unit set in this scantable |
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428 | Parameters: |
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429 | Returns: |
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430 | A unit string |
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431 | """ |
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432 | inf = self._getcoordinfo() |
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433 | unit = inf[0] |
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434 | if unit == '': unit = 'channel' |
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435 | return unit |
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436 | |
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437 | def get_abcissa(self, rowno=0): |
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438 | """ |
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439 | Get the abcissa in the current coordinate setup for the currently |
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440 | selected Beam/IF/Pol |
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441 | Parameters: |
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442 | rowno: an optional row number in the scantable. Default is the |
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443 | first row, i.e. rowno=0 |
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444 | Returns: |
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445 | The abcissa values and it's format string (as a dictionary) |
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446 | """ |
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447 | abc = self._getabcissa(rowno) |
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448 | lbl = self._getabcissalabel(rowno) |
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449 | return abc, lbl |
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450 | #return {'abcissa':abc,'label':lbl} |
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451 | |
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452 | def create_mask(self, *args, **kwargs): |
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453 | """ |
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454 | Compute and return a mask based on [min,max] windows. |
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455 | The specified windows are to be INCLUDED, when the mask is |
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456 | applied. |
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457 | Parameters: |
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458 | [min,max],[min2,max2],... |
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459 | Pairs of start/end points specifying the regions |
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460 | to be masked |
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461 | invert: optional argument. If specified as True, |
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462 | return an inverted mask, i.e. the regions |
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463 | specified are EXCLUDED |
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464 | Example: |
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465 | scan.set_unit('channel') |
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466 | |
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467 | a) |
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468 | msk = scan.set_mask([400,500],[800,900]) |
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469 | # masks everything outside 400 and 500 |
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470 | # and 800 and 900 in the unit 'channel' |
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471 | |
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472 | b) |
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473 | msk = scan.set_mask([400,500],[800,900], invert=True) |
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474 | # masks the regions between 400 and 500 |
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475 | # and 800 and 900 in the unit 'channel' |
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476 | |
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477 | """ |
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478 | u = self._getcoordinfo()[0] |
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479 | if self._vb: |
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480 | if u == "": u = "channel" |
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481 | print "The current mask window unit is", u |
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482 | n = self.nchan() |
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483 | data = self._getabcissa() |
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484 | msk = zeros(n) |
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485 | for window in args: |
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486 | if (len(window) != 2 or window[0] > window[1] ): |
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487 | print "A window needs to be defined as [min,max]" |
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488 | return |
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489 | for i in range(n): |
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490 | if data[i] >= window[0] and data[i] < window[1]: |
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491 | msk[i] = 1 |
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492 | if kwargs.has_key('invert'): |
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493 | if kwargs.get('invert'): |
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494 | from numarray import logical_not |
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495 | msk = logical_not(msk) |
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496 | return msk |
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497 | |
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498 | def get_restfreqs(self): |
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499 | """ |
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500 | Get the restfrequency(s) stored in this scantable. |
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501 | The return value(s) are always of unit 'Hz' |
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502 | Parameters: |
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503 | none |
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504 | Returns: |
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505 | a list of doubles |
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506 | """ |
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507 | return list(self._getrestfreqs()) |
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508 | |
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509 | def lines(self): |
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510 | """ |
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511 | Print the list of known spectral lines |
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512 | """ |
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513 | sdtable._lines(self) |
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514 | |
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515 | def set_restfreqs(self, freqs=None, unit='Hz', lines=None, source=None, theif=None): |
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516 | """ |
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517 | Select the restfrequency for the specified source and IF OR |
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518 | replace for all IFs. If the 'freqs' argument holds a scalar, |
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519 | then that rest frequency will be applied to the selected |
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520 | data (and added to the list of available rest frequencies). |
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521 | In this way, you can set a rest frequency for each |
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522 | source and IF combination. If the 'freqs' argument holds |
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523 | a vector, then it MUST be of length the number of IFs |
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524 | (and the available restfrequencies will be replaced by |
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525 | this vector). In this case, *all* data ('source' and |
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526 | 'theif' are ignored) have the restfrequency set per IF according |
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527 | to the corresponding value you give in the 'freqs' vector. |
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528 | E.g. 'freqs=[1e9,2e9]' would mean IF 0 gets restfreq 1e9 and |
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529 | IF 1 gets restfreq 2e9. |
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530 | |
---|
531 | You can also specify the frequencies via known line names |
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532 | in the argument 'lines'. Use 'freqs' or 'lines'. 'freqs' |
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533 | takes precedence. See the list of known names via function |
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534 | scantable.lines() |
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535 | Parameters: |
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536 | freqs: list of rest frequencies |
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537 | unit: unit for rest frequency (default 'Hz') |
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538 | lines: list of known spectral lines names (alternative to freqs). |
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539 | See possible list via scantable.lines() |
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540 | source: Source name (blank means all) |
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541 | theif: IF (-1 means all) |
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542 | Example: |
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543 | scan.set_restfreqs(freqs=1.4e9, source='NGC253', theif=2) |
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544 | scan.set_restfreqs(freqs=[1.4e9,1.67e9]) |
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545 | """ |
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546 | if source is None: |
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547 | source = "" |
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548 | if theif is None: |
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549 | theif = -1 |
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550 | t = type(freqs) |
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551 | if t is int or t is float: |
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552 | freqs = [freqs] |
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553 | if freqs is None: |
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554 | freqs = [] |
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555 | t = type(lines) |
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556 | if t is str: |
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557 | lines = [lines] |
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558 | if lines is None: |
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559 | lines = [] |
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560 | sdtable._setrestfreqs(self, freqs, unit, lines, source, theif) |
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561 | return |
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562 | |
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563 | |
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564 | def flag_spectrum(self, thebeam, theif, thepol): |
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565 | """ |
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566 | This flags a selected spectrum in the scan 'for good'. |
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567 | USE WITH CARE - not reversible. |
---|
568 | Use masks for non-permanent exclusion of channels. |
---|
569 | Parameters: |
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570 | thebeam,theif,thepol: all have to be explicitly |
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571 | specified |
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572 | Example: |
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573 | scan.flag_spectrum(0,0,1) |
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574 | flags the spectrum for Beam=0, IF=0, Pol=1 |
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575 | """ |
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576 | if (thebeam < self.nbeam() and |
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577 | theif < self.nif() and |
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578 | thepol < self.npol()): |
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579 | sdtable.setbeam(self, thebeam) |
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580 | sdtable.setif(self, theif) |
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581 | sdtable.setpol(self, thepol) |
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582 | sdtable._flag(self) |
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583 | else: |
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584 | print "Please specify a valid (Beam/IF/Pol)" |
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585 | return |
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586 | |
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587 | def rotate_xyphase (self, angle, all=None): |
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588 | """ |
---|
589 | Rotate the phase of the XY correlation. This is done in situ |
---|
590 | in the data. So if you call this function more than once |
---|
591 | then each call rotates the phase further. |
---|
592 | Parameters: |
---|
593 | angle: The angle (degrees) to rotate (add) by. |
---|
594 | all: if true operate on all axes (default or .asaprc) rather |
---|
595 | than the cursor selected spectrum of Beam/IF |
---|
596 | Examples: |
---|
597 | scan.rotate_xyphase(2.3) |
---|
598 | """ |
---|
599 | if all is None: all = rcParams['scantable.allaxes'] |
---|
600 | sdtable._rotate_xyphase(self, angle, all) |
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601 | |
---|
602 | def plot(self, what='spectrum',col='Pol', panel=None): |
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603 | """ |
---|
604 | Plot the spectra contained in the scan. Alternatively you can also |
---|
605 | Plot Tsys vs Time |
---|
606 | Parameters: |
---|
607 | what: a choice of 'spectrum' (default) or 'tsys' |
---|
608 | col: which out of Beams/IFs/Pols should be colour stacked |
---|
609 | panel: set up multiple panels, currently not working. |
---|
610 | """ |
---|
611 | print "Warning! Not fully functional. Use plotter.plot() instead" |
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612 | |
---|
613 | validcol = {'Beam':self.nbeam(),'IF':self.nif(),'Pol':self.npol()} |
---|
614 | |
---|
615 | validyax = ['spectrum','tsys'] |
---|
616 | from asap.asaplot import ASAPlot |
---|
617 | if not self._p: |
---|
618 | self._p = ASAPlot() |
---|
619 | #print "Plotting not enabled" |
---|
620 | #return |
---|
621 | if self._p.is_dead: |
---|
622 | del self._p |
---|
623 | self._p = ASAPlot() |
---|
624 | npan = 1 |
---|
625 | x = None |
---|
626 | if what == 'tsys': |
---|
627 | n = self.nrow() |
---|
628 | if n < 2: |
---|
629 | print "Only one integration. Can't plot." |
---|
630 | return |
---|
631 | self._p.hold() |
---|
632 | self._p.clear() |
---|
633 | if panel == 'Time': |
---|
634 | npan = self.nrow() |
---|
635 | self._p.set_panels(rows=npan) |
---|
636 | xlab,ylab,tlab = None,None,None |
---|
637 | self._vb = False |
---|
638 | sel = self.get_cursor() |
---|
639 | for i in range(npan): |
---|
640 | if npan > 1: |
---|
641 | self._p.subplot(i) |
---|
642 | for j in range(validcol[col]): |
---|
643 | x = None |
---|
644 | y = None |
---|
645 | m = None |
---|
646 | tlab = self._getsourcename(i) |
---|
647 | import re |
---|
648 | tlab = re.sub('_S','',tlab) |
---|
649 | if col == 'Beam': |
---|
650 | self.setbeam(j) |
---|
651 | elif col == 'IF': |
---|
652 | self.setif(j) |
---|
653 | elif col == 'Pol': |
---|
654 | self.setpol(j) |
---|
655 | if what == 'tsys': |
---|
656 | x = range(self.nrow()) |
---|
657 | xlab = 'Time [pixel]' |
---|
658 | m = list(ones(len(x))) |
---|
659 | y = [] |
---|
660 | ylab = r'$T_{sys}$' |
---|
661 | for k in range(len(x)): |
---|
662 | y.append(self._gettsys(k)) |
---|
663 | else: |
---|
664 | x,xlab = self.get_abcissa(i) |
---|
665 | y = self._getspectrum(i) |
---|
666 | ylab = r'Flux' |
---|
667 | m = self._getmask(i) |
---|
668 | llab = col+' '+str(j) |
---|
669 | self._p.set_line(label=llab) |
---|
670 | self._p.plot(x,y,m) |
---|
671 | self._p.set_axes('xlabel',xlab) |
---|
672 | self._p.set_axes('ylabel',ylab) |
---|
673 | self._p.set_axes('title',tlab) |
---|
674 | self._p.release() |
---|
675 | self.set_cursor(sel[0],sel[1],sel[2]) |
---|
676 | self._vb = rcParams['verbose'] |
---|
677 | return |
---|
678 | |
---|
679 | print out |
---|
680 | |
---|
681 | def _print_values(self, dat, label='', timestamps=[]): |
---|
682 | d = dat['data'] |
---|
683 | a = dat['axes'] |
---|
684 | shp = d.getshape() |
---|
685 | out = '' |
---|
686 | for i in range(shp[3]): |
---|
687 | out += '%s [%s]:\n' % (a[3],timestamps[i]) |
---|
688 | t = d[:,:,:,i] |
---|
689 | for j in range(shp[0]): |
---|
690 | if shp[0] > 1: out += ' %s[%d] ' % (a[0],j) |
---|
691 | for k in range(shp[1]): |
---|
692 | if shp[1] > 1: out += ' %s[%d] ' % (a[1],k) |
---|
693 | for l in range(shp[2]): |
---|
694 | if shp[2] > 1: out += ' %s[%d] ' % (a[2],l) |
---|
695 | out += '= %3.3f\n' % (t[j,k,l]) |
---|
696 | out += "--------------------------------------------------\n" |
---|
697 | print "--------------------------------------------------" |
---|
698 | print " ", label |
---|
699 | print "--------------------------------------------------" |
---|
700 | print out |
---|