[102] | 1 | from asap._asap import sdtable |
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[226] | 2 | from asap import rcParams |
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[189] | 3 | from numarray import ones,zeros |
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[102] | 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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[113] | 10 | |
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[340] | 11 | def __init__(self, filename, unit=None): |
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[102] | 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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[181] | 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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[102] | 22 | scantable |
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[340] | 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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[102] | 27 | """ |
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[226] | 28 | self._vb = rcParams['verbose'] |
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[113] | 29 | self._p = None |
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[181] | 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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[340] | 34 | if unit is not None: |
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| 35 | print 'Setting brightness unit to ', unit |
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| 36 | sdtable.set_fluxunit(unit) |
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[181] | 37 | else: |
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[226] | 38 | try: |
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| 39 | mode = st(filename)[stat.ST_MODE] |
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| 40 | except OSError: |
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| 41 | print "File not found" |
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| 42 | return |
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[181] | 43 | if stat.S_ISDIR(mode): |
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| 44 | # crude check if asap table |
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| 45 | if stat.S_ISREG(st(filename+'/table.info')[stat.ST_MODE]): |
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| 46 | sdtable.__init__(self, filename) |
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[340] | 47 | if unit is not None: |
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| 48 | print 'Setting brightness unit to ', unit |
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| 49 | self.set_fluxunit(unit) |
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[181] | 50 | else: |
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| 51 | print 'The given file is not a valid asap table' |
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[226] | 52 | return |
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| 53 | else: |
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| 54 | autoav = rcParams['scantable.autoaverage'] |
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| 55 | |
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[181] | 56 | from asap._asap import sdreader |
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[340] | 57 | ifSel = -1 |
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| 58 | beamSel = -1 |
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| 59 | if unit is None: |
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| 60 | unit = "" |
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| 61 | r = sdreader(filename,unit,ifSel,beamSel) |
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[181] | 62 | print 'Importing data...' |
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| 63 | r.read([-1]) |
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| 64 | tbl = r.getdata() |
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[226] | 65 | if autoav: |
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| 66 | from asap._asap import average |
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| 67 | tmp = tuple([tbl]) |
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| 68 | print 'Auto averaging integrations...' |
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| 69 | tbl2 = average(tmp,(),True,'none') |
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| 70 | sdtable.__init__(self,tbl2) |
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| 71 | del r,tbl |
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| 72 | else: |
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| 73 | sdtable.__init__(self,tbl) |
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[102] | 74 | |
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[256] | 75 | def save(self, name=None, format=None, overwrite=False): |
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[116] | 76 | """ |
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[280] | 77 | Store the scantable on disk. This can be an asap (aips++) Table, SDFITS, |
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| 78 | Image FITS or MS2 format. |
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[116] | 79 | Parameters: |
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[196] | 80 | name: the name of the outputfile. For format="FITS" this |
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[280] | 81 | is the directory file name into which all the files will |
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| 82 | be written (default is 'asap_FITS') |
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[116] | 83 | format: an optional file format. Default is ASAP. |
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[280] | 84 | Allowed are - 'ASAP' (save as ASAP [aips++] Table), |
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[194] | 85 | 'SDFITS' (save as SDFITS file) |
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| 86 | 'FITS' (saves each row as a FITS Image) |
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[200] | 87 | 'ASCII' (saves as ascii text file) |
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[226] | 88 | 'MS2' (saves as an aips++ |
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| 89 | MeasurementSet V2) |
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[256] | 90 | overwrite: if the file should be overwritten if it exists. |
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| 91 | The default False is to return with warning |
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| 92 | without writing the output |
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[116] | 93 | Example: |
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| 94 | scan.save('myscan.asap') |
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| 95 | scan.save('myscan.sdfits','SDFITS') |
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| 96 | """ |
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[226] | 97 | if format is None: format = rcParams['scantable.save'] |
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[256] | 98 | suffix = '.'+format.lower() |
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| 99 | if name is None or name =="": |
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| 100 | name = 'scantable'+suffix |
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[283] | 101 | print "No filename given. Using default name %s..." % name |
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[256] | 102 | from os import path |
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| 103 | if path.isfile(name) or path.isdir(name): |
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| 104 | if not overwrite: |
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| 105 | print "File %s already exists." % name |
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| 106 | return |
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[116] | 107 | if format == 'ASAP': |
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| 108 | self._save(name) |
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| 109 | else: |
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| 110 | from asap._asap import sdwriter as _sw |
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[194] | 111 | w = _sw(format) |
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| 112 | w.write(self, name) |
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[116] | 113 | return |
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| 114 | |
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[102] | 115 | def copy(self): |
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| 116 | """ |
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| 117 | Return a copy of this scantable. |
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| 118 | Parameters: |
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[113] | 119 | none |
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[102] | 120 | Example: |
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| 121 | copiedscan = scan.copy() |
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| 122 | """ |
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[113] | 123 | sd = scantable(sdtable._copy(self)) |
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| 124 | return sd |
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| 125 | |
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[102] | 126 | def get_scan(self, scanid=None): |
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| 127 | """ |
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| 128 | Return a specific scan (by scanno) or collection of scans (by |
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| 129 | source name) in a new scantable. |
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| 130 | Parameters: |
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| 131 | scanid: a scanno or a source name |
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| 132 | Example: |
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[113] | 133 | scan.get_scan('323p459') |
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[102] | 134 | # gets all scans containing the source '323p459' |
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| 135 | """ |
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| 136 | if scanid is None: |
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| 137 | print "Please specify a scan no or name to retrieve from the scantable" |
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| 138 | try: |
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| 139 | if type(scanid) is str: |
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[113] | 140 | s = sdtable._getsource(self,scanid) |
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[102] | 141 | return scantable(s) |
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| 142 | elif type(scanid) is int: |
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[113] | 143 | s = sdtable._getscan(self,scanid) |
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[102] | 144 | return scantable(s) |
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| 145 | except RuntimeError: |
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| 146 | print "Couldn't find any match." |
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| 147 | |
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| 148 | def __str__(self): |
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[256] | 149 | return sdtable._summary(self) |
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[102] | 150 | |
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| 151 | def summary(self,filename=None): |
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| 152 | """ |
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| 153 | Print a summary of the contents of this scantable. |
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| 154 | Parameters: |
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| 155 | filename: the name of a file to write the putput to |
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| 156 | Default - no file output |
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| 157 | """ |
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[256] | 158 | info = sdtable._summary(self) |
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[102] | 159 | if filename is not None: |
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[256] | 160 | if filename is "": |
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| 161 | filename = 'scantable_summary.txt' |
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[102] | 162 | data = open(filename, 'w') |
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| 163 | data.write(info) |
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| 164 | data.close() |
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| 165 | print info |
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| 166 | |
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[256] | 167 | def set_cursor(self, thebeam=0,theif=0,thepol=0): |
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[102] | 168 | """ |
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| 169 | Set the spectrum for individual operations. |
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| 170 | Parameters: |
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| 171 | thebeam,theif,thepol: a number |
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| 172 | Example: |
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[256] | 173 | scan.set_cursor(0,0,1) |
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[135] | 174 | pol1sig = scan.stats(all=False) # returns std dev for beam=0 |
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[181] | 175 | # if=0, pol=1 |
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[102] | 176 | """ |
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| 177 | self.setbeam(thebeam) |
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| 178 | self.setpol(thepol) |
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| 179 | self.setif(theif) |
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| 180 | return |
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| 181 | |
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[256] | 182 | def get_cursor(self): |
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[113] | 183 | """ |
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| 184 | Return/print a the current 'cursor' into the Beam/IF/Pol cube. |
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| 185 | Parameters: |
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| 186 | none |
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| 187 | Returns: |
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| 188 | a list of values (currentBeam,currentIF,currentPol) |
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| 189 | Example: |
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| 190 | none |
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| 191 | """ |
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[102] | 192 | i = self.getbeam() |
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| 193 | j = self.getif() |
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| 194 | k = self.getpol() |
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[113] | 195 | if self._vb: |
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[181] | 196 | print "--------------------------------------------------" |
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[256] | 197 | print " Cursor position" |
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[181] | 198 | print "--------------------------------------------------" |
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[226] | 199 | out = 'Beam=%d IF=%d Pol=%d ' % (i,j,k) |
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[113] | 200 | print out |
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[102] | 201 | return i,j,k |
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| 202 | |
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[226] | 203 | def stats(self, stat='stddev', mask=None, all=None): |
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[102] | 204 | """ |
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[135] | 205 | Determine the specified statistic of the current beam/if/pol |
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[102] | 206 | Takes a 'mask' as an optional parameter to specify which |
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| 207 | channels should be excluded. |
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| 208 | Parameters: |
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[135] | 209 | stat: 'min', 'max', 'sumsq', 'sum', 'mean' |
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| 210 | 'var', 'stddev', 'avdev', 'rms', 'median' |
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| 211 | mask: an optional mask specifying where the statistic |
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[102] | 212 | should be determined. |
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[241] | 213 | all: if true show all (default or .asaprc) rather |
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| 214 | that the cursor selected spectrum of Beam/IF/Pol |
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[102] | 215 | |
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| 216 | Example: |
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[113] | 217 | scan.set_unit('channel') |
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[102] | 218 | msk = scan.create_mask([100,200],[500,600]) |
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[135] | 219 | scan.stats(stat='mean', mask=m) |
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[102] | 220 | """ |
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[226] | 221 | if all is None: all = rcParams['scantable.allaxes'] |
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[135] | 222 | from asap._asap import stats as _stats |
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[256] | 223 | from numarray import array,zeros,Float |
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[102] | 224 | if mask == None: |
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| 225 | mask = ones(self.nchan()) |
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[256] | 226 | axes = ['Beam','IF','Pol','Time'] |
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| 227 | |
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[102] | 228 | if all: |
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[256] | 229 | n = self.nbeam()*self.nif()*self.npol()*self.nrow() |
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| 230 | shp = [self.nbeam(),self.nif(),self.npol(),self.nrow()] |
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| 231 | arr = array(zeros(n),shape=shp,type=Float) |
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| 232 | |
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| 233 | for i in range(self.nbeam()): |
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| 234 | self.setbeam(i) |
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| 235 | for j in range(self.nif()): |
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| 236 | self.setif(j) |
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| 237 | for k in range(self.npol()): |
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| 238 | self.setpol(k) |
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| 239 | arr[i,j,k,:] = _stats(self,mask,stat,-1) |
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| 240 | retval = {'axes': axes, 'data': arr, 'cursor':None} |
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| 241 | tm = [self._gettime(val) for val in range(self.nrow())] |
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[181] | 242 | if self._vb: |
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[256] | 243 | self._print_values(retval,stat,tm) |
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| 244 | return retval |
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[102] | 245 | |
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| 246 | else: |
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[256] | 247 | i,j,k = (self.getbeam(),self.getif(),self.getpol()) |
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[241] | 248 | statval = _stats(self,mask,stat,-1) |
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[181] | 249 | out = '' |
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| 250 | for l in range(self.nrow()): |
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| 251 | tm = self._gettime(l) |
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| 252 | out += 'Time[%s]:\n' % (tm) |
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| 253 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
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| 254 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
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| 255 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
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| 256 | out += '= %3.3f\n' % (statval[l]) |
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| 257 | out += "--------------------------------------------------\n" |
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[226] | 258 | |
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[181] | 259 | if self._vb: |
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| 260 | print "--------------------------------------------------" |
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| 261 | print " ",stat |
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| 262 | print "--------------------------------------------------" |
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| 263 | print out |
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[256] | 264 | retval = {'axes': axes, 'data': array(statval), 'cursor':(i,j,k)} |
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| 265 | return retval |
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[102] | 266 | |
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[226] | 267 | def stddev(self,mask=None, all=None): |
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[135] | 268 | """ |
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| 269 | Determine the standard deviation of the current beam/if/pol |
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| 270 | Takes a 'mask' as an optional parameter to specify which |
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| 271 | channels should be excluded. |
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| 272 | Parameters: |
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| 273 | mask: an optional mask specifying where the standard |
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| 274 | deviation should be determined. |
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[226] | 275 | all: optional flag to show all or a cursor selected |
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| 276 | spectrum of Beam/IF/Pol. Default is all or taken |
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| 277 | from .asaprc |
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[135] | 278 | |
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| 279 | Example: |
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| 280 | scan.set_unit('channel') |
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| 281 | msk = scan.create_mask([100,200],[500,600]) |
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| 282 | scan.stddev(mask=m) |
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| 283 | """ |
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[226] | 284 | if all is None: all = rcParams['scantable.allaxes'] |
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[135] | 285 | return self.stats(stat='stddev',mask=mask, all=all); |
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| 286 | |
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[226] | 287 | def get_tsys(self, all=None): |
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[113] | 288 | """ |
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| 289 | Return the System temperatures. |
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| 290 | Parameters: |
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| 291 | all: optional parameter to get the Tsys values for all |
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| 292 | Beams/IFs/Pols (default) or just the one selected |
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[256] | 293 | with scantable.set_cursor() |
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[113] | 294 | [True or False] |
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| 295 | Returns: |
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| 296 | a list of Tsys values. |
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| 297 | """ |
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[226] | 298 | if all is None: all = rcParams['scantable.allaxes'] |
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[256] | 299 | from numarray import array,zeros,Float |
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| 300 | axes = ['Beam','IF','Pol','Time'] |
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| 301 | |
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[102] | 302 | if all: |
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[256] | 303 | n = self.nbeam()*self.nif()*self.npol()*self.nrow() |
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| 304 | shp = [self.nbeam(),self.nif(),self.npol(),self.nrow()] |
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| 305 | arr = array(zeros(n),shape=shp,type=Float) |
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| 306 | |
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| 307 | for i in range(self.nbeam()): |
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| 308 | self.setbeam(i) |
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| 309 | for j in range(self.nif()): |
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| 310 | self.setif(j) |
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| 311 | for k in range(self.npol()): |
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| 312 | self.setpol(k) |
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| 313 | arr[i,j,k,:] = self._gettsys() |
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| 314 | retval = {'axes': axes, 'data': arr, 'cursor':None} |
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| 315 | tm = [self._gettime(val) for val in range(self.nrow())] |
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[181] | 316 | if self._vb: |
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[256] | 317 | self._print_values(retval,'Tsys',tm) |
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| 318 | return retval |
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| 319 | |
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[102] | 320 | else: |
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[256] | 321 | i,j,k = (self.getbeam(),self.getif(),self.getpol()) |
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| 322 | statval = self._gettsys() |
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[181] | 323 | out = '' |
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| 324 | for l in range(self.nrow()): |
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| 325 | tm = self._gettime(l) |
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| 326 | out += 'Time[%s]:\n' % (tm) |
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| 327 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
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| 328 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
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| 329 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
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[256] | 330 | out += '= %3.3f\n' % (statval[l]) |
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| 331 | out += "--------------------------------------------------\n" |
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| 332 | |
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[181] | 333 | if self._vb: |
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| 334 | print "--------------------------------------------------" |
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[256] | 335 | print " TSys" |
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[181] | 336 | print "--------------------------------------------------" |
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| 337 | print out |
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[256] | 338 | retval = {'axes': axes, 'data': array(statval), 'cursor':(i,j,k)} |
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| 339 | return retval |
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[113] | 340 | |
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| 341 | def get_time(self): |
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| 342 | """ |
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| 343 | Get a list of time stamps for the observations. |
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[181] | 344 | Return a string for each integration in the scantable. |
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[113] | 345 | Parameters: |
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| 346 | none |
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| 347 | Example: |
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| 348 | none |
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| 349 | """ |
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| 350 | out = [] |
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| 351 | for i in range(self.nrow()): |
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| 352 | out.append(self._gettime(i)) |
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| 353 | return out |
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[102] | 354 | |
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| 355 | def set_unit(self, unit='channel'): |
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| 356 | """ |
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| 357 | Set the unit for all following operations on this scantable |
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| 358 | Parameters: |
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| 359 | unit: optional unit, default is 'channel' |
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[113] | 360 | one of '*Hz','km/s','channel', '' |
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[102] | 361 | """ |
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[113] | 362 | |
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| 363 | if unit in ['','pixel', 'channel']: |
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| 364 | unit = '' |
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| 365 | inf = list(self._getcoordinfo()) |
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| 366 | inf[0] = unit |
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| 367 | self._setcoordinfo(inf) |
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| 368 | if self._p: self.plot() |
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| 369 | |
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[276] | 370 | def set_doppler(self, doppler='RADIO'): |
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| 371 | """ |
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| 372 | Set the doppler for all following operations on this scantable. |
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| 373 | Parameters: |
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| 374 | doppler: One of 'RADIO', 'OPTICAL', 'Z', 'BETA', 'GAMMA' |
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| 375 | """ |
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| 376 | |
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| 377 | inf = list(self._getcoordinfo()) |
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| 378 | inf[2] = doppler |
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| 379 | self._setcoordinfo(inf) |
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| 380 | if self._p: self.plot() |
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| 381 | |
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[226] | 382 | def set_freqframe(self, frame=None): |
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[113] | 383 | """ |
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| 384 | Set the frame type of the Spectral Axis. |
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| 385 | Parameters: |
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| 386 | frame: an optional frame type, default 'LSRK'. |
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| 387 | Examples: |
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| 388 | scan.set_freqframe('BARY') |
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| 389 | """ |
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[226] | 390 | if not frame: frame = rcParams['scantable.freqframe'] |
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[113] | 391 | valid = ['REST','TOPO','LSRD','LSRK','BARY', \ |
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| 392 | 'GEO','GALACTO','LGROUP','CMB'] |
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| 393 | if frame in valid: |
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| 394 | inf = list(self._getcoordinfo()) |
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| 395 | inf[1] = frame |
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| 396 | self._setcoordinfo(inf) |
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[102] | 397 | else: |
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[113] | 398 | print "Please specify a valid freq type. Valid types are:\n",valid |
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| 399 | |
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| 400 | def get_unit(self): |
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| 401 | """ |
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| 402 | Get the default unit set in this scantable |
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| 403 | Parameters: |
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| 404 | Returns: |
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| 405 | A unit string |
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| 406 | """ |
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| 407 | inf = self._getcoordinfo() |
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| 408 | unit = inf[0] |
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| 409 | if unit == '': unit = 'channel' |
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| 410 | return unit |
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[102] | 411 | |
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[158] | 412 | def get_abcissa(self, rowno=0): |
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[102] | 413 | """ |
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[158] | 414 | Get the abcissa in the current coordinate setup for the currently |
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[113] | 415 | selected Beam/IF/Pol |
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| 416 | Parameters: |
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[226] | 417 | rowno: an optional row number in the scantable. Default is the |
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| 418 | first row, i.e. rowno=0 |
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[113] | 419 | Returns: |
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[158] | 420 | The abcissa values and it's format string. |
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[113] | 421 | """ |
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[256] | 422 | abc = self._getabcissa(rowno) |
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| 423 | lbl = self._getabcissalabel(rowno) |
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[158] | 424 | return abc, lbl |
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[113] | 425 | |
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| 426 | def create_mask(self, *args, **kwargs): |
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| 427 | """ |
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[102] | 428 | Compute and return a mask based on [min,max] windows. |
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[189] | 429 | The specified windows are to be INCLUDED, when the mask is |
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[113] | 430 | applied. |
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[102] | 431 | Parameters: |
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| 432 | [min,max],[min2,max2],... |
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| 433 | Pairs of start/end points specifying the regions |
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| 434 | to be masked |
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[189] | 435 | invert: optional argument. If specified as True, |
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| 436 | return an inverted mask, i.e. the regions |
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| 437 | specified are EXCLUDED |
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[102] | 438 | Example: |
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[113] | 439 | scan.set_unit('channel') |
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| 440 | |
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| 441 | a) |
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[102] | 442 | msk = scan.set_mask([400,500],[800,900]) |
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[189] | 443 | # masks everything outside 400 and 500 |
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[113] | 444 | # and 800 and 900 in the unit 'channel' |
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| 445 | |
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| 446 | b) |
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| 447 | msk = scan.set_mask([400,500],[800,900], invert=True) |
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[189] | 448 | # masks the regions between 400 and 500 |
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[113] | 449 | # and 800 and 900 in the unit 'channel' |
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| 450 | |
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[102] | 451 | """ |
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[113] | 452 | u = self._getcoordinfo()[0] |
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| 453 | if self._vb: |
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| 454 | if u == "": u = "channel" |
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| 455 | print "The current mask window unit is", u |
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[102] | 456 | n = self.nchan() |
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[256] | 457 | data = self._getabcissa() |
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[189] | 458 | msk = zeros(n) |
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[102] | 459 | for window in args: |
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| 460 | if (len(window) != 2 or window[0] > window[1] ): |
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| 461 | print "A window needs to be defined as [min,max]" |
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| 462 | return |
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| 463 | for i in range(n): |
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[113] | 464 | if data[i] >= window[0] and data[i] < window[1]: |
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[189] | 465 | msk[i] = 1 |
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[113] | 466 | if kwargs.has_key('invert'): |
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| 467 | if kwargs.get('invert'): |
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| 468 | from numarray import logical_not |
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| 469 | msk = logical_not(msk) |
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[102] | 470 | return msk |
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[113] | 471 | |
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| 472 | def set_restfreqs(self, freqs, unit='Hz'): |
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[102] | 473 | """ |
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| 474 | Set the restfrequency(s) for this scantable. |
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| 475 | Parameters: |
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| 476 | freqs: one or more frequencies |
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| 477 | unit: optional 'unit', default 'Hz' |
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| 478 | Example: |
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[113] | 479 | scan.set_restfreqs([1000000000.0]) |
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[102] | 480 | """ |
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[113] | 481 | if type(freqs) is float or int: |
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| 482 | freqs = (freqs) |
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| 483 | sdtable._setrestfreqs(self,freqs, unit) |
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[102] | 484 | return |
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[256] | 485 | def get_restfreqs(self): |
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| 486 | """ |
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| 487 | Get the restfrequency(s) stored in this scantable. |
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| 488 | The return value(s) are always of unit 'Hz' |
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| 489 | Parameters: |
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| 490 | none |
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| 491 | Returns: |
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| 492 | a list of doubles |
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| 493 | """ |
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| 494 | return list(self._getrestfreqs()) |
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[102] | 495 | |
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| 496 | def flag_spectrum(self, thebeam, theif, thepol): |
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| 497 | """ |
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| 498 | This flags a selected spectrum in the scan 'for good'. |
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| 499 | USE WITH CARE - not reversible. |
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| 500 | Use masks for non-permanent exclusion of channels. |
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| 501 | Parameters: |
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| 502 | thebeam,theif,thepol: all have to be explicitly |
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| 503 | specified |
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| 504 | Example: |
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| 505 | scan.flag_spectrum(0,0,1) |
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| 506 | flags the spectrum for Beam=0, IF=0, Pol=1 |
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| 507 | """ |
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| 508 | if (thebeam < self.nbeam() and theif < self.nif() and thepol < self.npol()): |
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| 509 | stable.setbeam(thebeam) |
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| 510 | stable.setif(theif) |
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| 511 | stable.setpol(thepol) |
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| 512 | stable._flag(self) |
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| 513 | else: |
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| 514 | print "Please specify a valid (Beam/IF/Pol)" |
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| 515 | return |
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[113] | 516 | |
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| 517 | def plot(self, what='spectrum',col='Pol', panel=None): |
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| 518 | """ |
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| 519 | Plot the spectra contained in the scan. Alternatively you can also |
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| 520 | Plot Tsys vs Time |
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| 521 | Parameters: |
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| 522 | what: a choice of 'spectrum' (default) or 'tsys' |
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[135] | 523 | col: which out of Beams/IFs/Pols should be colour stacked |
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[113] | 524 | panel: set up multiple panels, currently not working. |
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| 525 | """ |
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[283] | 526 | print "Warning! Not fully functional. Use plotter.plot() instead" |
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| 527 | |
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[113] | 528 | validcol = {'Beam':self.nbeam(),'IF':self.nif(),'Pol':self.npol()} |
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[124] | 529 | |
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[113] | 530 | validyax = ['spectrum','tsys'] |
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[189] | 531 | from asap.asaplot import ASAPlot |
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[113] | 532 | if not self._p: |
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| 533 | self._p = ASAPlot() |
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[189] | 534 | #print "Plotting not enabled" |
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| 535 | #return |
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| 536 | if self._p.is_dead: |
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| 537 | del self._p |
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| 538 | self._p = ASAPlot() |
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[113] | 539 | npan = 1 |
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| 540 | x = None |
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| 541 | if what == 'tsys': |
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| 542 | n = self.nrow() |
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| 543 | if n < 2: |
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| 544 | print "Only one integration. Can't plot." |
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| 545 | return |
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[124] | 546 | self._p.hold() |
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| 547 | self._p.clear() |
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[113] | 548 | if panel == 'Time': |
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| 549 | npan = self.nrow() |
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[124] | 550 | self._p.set_panels(rows=npan) |
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[113] | 551 | xlab,ylab,tlab = None,None,None |
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[226] | 552 | self._vb = False |
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[256] | 553 | sel = self.get_cursor() |
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[113] | 554 | for i in range(npan): |
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[226] | 555 | if npan > 1: |
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| 556 | self._p.subplot(i) |
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[113] | 557 | for j in range(validcol[col]): |
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| 558 | x = None |
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| 559 | y = None |
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| 560 | m = None |
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| 561 | tlab = self._getsourcename(i) |
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[124] | 562 | import re |
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| 563 | tlab = re.sub('_S','',tlab) |
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[113] | 564 | if col == 'Beam': |
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| 565 | self.setbeam(j) |
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| 566 | elif col == 'IF': |
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| 567 | self.setif(j) |
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| 568 | elif col == 'Pol': |
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| 569 | self.setpol(j) |
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| 570 | if what == 'tsys': |
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| 571 | x = range(self.nrow()) |
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| 572 | xlab = 'Time [pixel]' |
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| 573 | m = list(ones(len(x))) |
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| 574 | y = [] |
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| 575 | ylab = r'$T_{sys}$' |
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| 576 | for k in range(len(x)): |
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| 577 | y.append(self._gettsys(k)) |
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| 578 | else: |
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[158] | 579 | x,xlab = self.get_abcissa(i) |
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[256] | 580 | y = self._getspectrum(i) |
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[113] | 581 | ylab = r'Flux' |
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[256] | 582 | m = self._getmask(i) |
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[113] | 583 | llab = col+' '+str(j) |
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| 584 | self._p.set_line(label=llab) |
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| 585 | self._p.plot(x,y,m) |
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[124] | 586 | self._p.set_axes('xlabel',xlab) |
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| 587 | self._p.set_axes('ylabel',ylab) |
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| 588 | self._p.set_axes('title',tlab) |
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[113] | 589 | self._p.release() |
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[256] | 590 | self.set_cursor(sel[0],sel[1],sel[2]) |
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[226] | 591 | self._vb = rcParams['verbose'] |
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[113] | 592 | return |
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[256] | 593 | |
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| 594 | print out |
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| 595 | |
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| 596 | def _print_values(self, dat, label='', timestamps=[]): |
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| 597 | d = dat['data'] |
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| 598 | a = dat['axes'] |
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| 599 | shp = d.getshape() |
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| 600 | out = '' |
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| 601 | for i in range(shp[3]): |
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| 602 | out += '%s [%s]:\n' % (a[3],timestamps[i]) |
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| 603 | t = d[:,:,:,i] |
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| 604 | for j in range(shp[0]): |
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| 605 | if shp[0] > 1: out += ' %s[%d] ' % (a[0],j) |
---|
| 606 | for k in range(shp[1]): |
---|
| 607 | if shp[1] > 1: out += ' %s[%d] ' % (a[1],k) |
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| 608 | for l in range(shp[2]): |
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| 609 | if shp[2] > 1: out += ' %s[%d] ' % (a[2],l) |
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| 610 | out += '= %3.3f\n' % (t[j,k,l]) |
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| 611 | out += "--------------------------------------------------\n" |
---|
| 612 | print "--------------------------------------------------" |
---|
| 613 | print " ", label |
---|
| 614 | print "--------------------------------------------------" |
---|
| 615 | print out |
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