| 1 | from asap._asap import sdtable |
|---|
| 2 | from numarray import ones,zeros |
|---|
| 3 | import sys |
|---|
| 4 | |
|---|
| 5 | class scantable(sdtable): |
|---|
| 6 | """ |
|---|
| 7 | The ASAP container for scans |
|---|
| 8 | """ |
|---|
| 9 | |
|---|
| 10 | def __init__(self, filename): |
|---|
| 11 | """ |
|---|
| 12 | Create a scantable from a saved one or make a reference |
|---|
| 13 | Parameters: |
|---|
| 14 | filename: the name of an asap table on disk |
|---|
| 15 | or |
|---|
| 16 | the name of a rpfits/sdfits/ms file |
|---|
| 17 | (integrations within scans are auto averaged |
|---|
| 18 | and the whole file is read) |
|---|
| 19 | or |
|---|
| 20 | [advanced] a reference to an existing |
|---|
| 21 | scantable |
|---|
| 22 | """ |
|---|
| 23 | self._vb = True |
|---|
| 24 | self._p = None |
|---|
| 25 | from os import stat as st |
|---|
| 26 | import stat |
|---|
| 27 | if isinstance(filename,sdtable): |
|---|
| 28 | sdtable.__init__(self, filename) |
|---|
| 29 | else: |
|---|
| 30 | mode = st(filename)[stat.ST_MODE] |
|---|
| 31 | if stat.S_ISDIR(mode): |
|---|
| 32 | # crude check if asap table |
|---|
| 33 | if stat.S_ISREG(st(filename+'/table.info')[stat.ST_MODE]): |
|---|
| 34 | sdtable.__init__(self, filename) |
|---|
| 35 | else: |
|---|
| 36 | print 'The given file is not a valid asap table' |
|---|
| 37 | else: |
|---|
| 38 | from asap._asap import sdreader |
|---|
| 39 | r = sdreader(filename) |
|---|
| 40 | print 'Importing data...' |
|---|
| 41 | r.read([-1]) |
|---|
| 42 | tbl = r.getdata() |
|---|
| 43 | |
|---|
| 44 | from asap._asap import average |
|---|
| 45 | tmp = tuple([tbl]) |
|---|
| 46 | print 'Auto averging integrations...' |
|---|
| 47 | tbl2 = average(tmp,(),True,'none') |
|---|
| 48 | sdtable.__init__(self,tbl2) |
|---|
| 49 | del r,tbl |
|---|
| 50 | |
|---|
| 51 | def save(self, name, format='ASAP'): |
|---|
| 52 | """ |
|---|
| 53 | Store the scantable on disk. This can be a asap file or SDFITS/MS2. |
|---|
| 54 | Parameters: |
|---|
| 55 | name: the name of the outputfile |
|---|
| 56 | format: an optional file format. Default is ASAP. |
|---|
| 57 | Allowed are 'ASAP', 'SDFITS' and 'MS2' |
|---|
| 58 | Example: |
|---|
| 59 | scan.save('myscan.asap') |
|---|
| 60 | scan.save('myscan.sdfits','SDFITS') |
|---|
| 61 | """ |
|---|
| 62 | if format == 'ASAP': |
|---|
| 63 | self._save(name) |
|---|
| 64 | else: |
|---|
| 65 | from asap._asap import sdwriter as _sw |
|---|
| 66 | w = _sw() |
|---|
| 67 | if format == 'SDFITS': |
|---|
| 68 | w.write(self, name) |
|---|
| 69 | return |
|---|
| 70 | |
|---|
| 71 | def _verbose(self, *args): |
|---|
| 72 | """ |
|---|
| 73 | Set the verbose level True or False, to indicate if output |
|---|
| 74 | should be printed as well as returned. |
|---|
| 75 | """ |
|---|
| 76 | if len(args) == 0: |
|---|
| 77 | return self._vb |
|---|
| 78 | elif type(args[0]) is bool: |
|---|
| 79 | self._vb = args[0] |
|---|
| 80 | return |
|---|
| 81 | |
|---|
| 82 | def copy(self): |
|---|
| 83 | """ |
|---|
| 84 | Return a copy of this scantable. |
|---|
| 85 | Parameters: |
|---|
| 86 | none |
|---|
| 87 | Example: |
|---|
| 88 | copiedscan = scan.copy() |
|---|
| 89 | """ |
|---|
| 90 | sd = scantable(sdtable._copy(self)) |
|---|
| 91 | return sd |
|---|
| 92 | |
|---|
| 93 | def get_scan(self, scanid=None): |
|---|
| 94 | """ |
|---|
| 95 | Return a specific scan (by scanno) or collection of scans (by |
|---|
| 96 | source name) in a new scantable. |
|---|
| 97 | Parameters: |
|---|
| 98 | scanid: a scanno or a source name |
|---|
| 99 | Example: |
|---|
| 100 | scan.get_scan('323p459') |
|---|
| 101 | # gets all scans containing the source '323p459' |
|---|
| 102 | """ |
|---|
| 103 | if scanid is None: |
|---|
| 104 | print "Please specify a scan no or name to retrieve from the scantable" |
|---|
| 105 | try: |
|---|
| 106 | if type(scanid) is str: |
|---|
| 107 | s = sdtable._getsource(self,scanid) |
|---|
| 108 | return scantable(s) |
|---|
| 109 | elif type(scanid) is int: |
|---|
| 110 | s = sdtable._getscan(self,scanid) |
|---|
| 111 | return scantable(s) |
|---|
| 112 | except RuntimeError: |
|---|
| 113 | print "Couldn't find any match." |
|---|
| 114 | |
|---|
| 115 | def __str__(self): |
|---|
| 116 | return sdtable.summary(self) |
|---|
| 117 | |
|---|
| 118 | def summary(self,filename=None): |
|---|
| 119 | """ |
|---|
| 120 | Print a summary of the contents of this scantable. |
|---|
| 121 | Parameters: |
|---|
| 122 | filename: the name of a file to write the putput to |
|---|
| 123 | Default - no file output |
|---|
| 124 | """ |
|---|
| 125 | info = sdtable.summary(self) |
|---|
| 126 | if filename is not None: |
|---|
| 127 | data = open(filename, 'w') |
|---|
| 128 | data.write(info) |
|---|
| 129 | data.close() |
|---|
| 130 | print info |
|---|
| 131 | |
|---|
| 132 | def set_selection(self, thebeam=0,theif=0,thepol=0): |
|---|
| 133 | """ |
|---|
| 134 | Set the spectrum for individual operations. |
|---|
| 135 | Parameters: |
|---|
| 136 | thebeam,theif,thepol: a number |
|---|
| 137 | Example: |
|---|
| 138 | scan.set_selection(0,0,1) |
|---|
| 139 | pol1sig = scan.stats(all=False) # returns std dev for beam=0 |
|---|
| 140 | # if=0, pol=1 |
|---|
| 141 | """ |
|---|
| 142 | self.setbeam(thebeam) |
|---|
| 143 | self.setpol(thepol) |
|---|
| 144 | self.setif(theif) |
|---|
| 145 | return |
|---|
| 146 | |
|---|
| 147 | def get_selection(self): |
|---|
| 148 | """ |
|---|
| 149 | Return/print a the current 'cursor' into the Beam/IF/Pol cube. |
|---|
| 150 | Parameters: |
|---|
| 151 | none |
|---|
| 152 | Returns: |
|---|
| 153 | a list of values (currentBeam,currentIF,currentPol) |
|---|
| 154 | Example: |
|---|
| 155 | none |
|---|
| 156 | """ |
|---|
| 157 | i = self.getbeam() |
|---|
| 158 | j = self.getif() |
|---|
| 159 | k = self.getpol() |
|---|
| 160 | if self._vb: |
|---|
| 161 | print "--------------------------------------------------" |
|---|
| 162 | print " Cursor selection" |
|---|
| 163 | print "--------------------------------------------------" |
|---|
| 164 | out = 'Beam=%d IF=%d Pol=%d '% (i,j,k) |
|---|
| 165 | print out |
|---|
| 166 | return i,j,k |
|---|
| 167 | |
|---|
| 168 | def stats(self, stat='stddev', mask=None, all=True): |
|---|
| 169 | """ |
|---|
| 170 | Determine the specified statistic of the current beam/if/pol |
|---|
| 171 | Takes a 'mask' as an optional parameter to specify which |
|---|
| 172 | channels should be excluded. |
|---|
| 173 | Parameters: |
|---|
| 174 | stat: 'min', 'max', 'sumsq', 'sum', 'mean' |
|---|
| 175 | 'var', 'stddev', 'avdev', 'rms', 'median' |
|---|
| 176 | mask: an optional mask specifying where the statistic |
|---|
| 177 | should be determined. |
|---|
| 178 | all: optional flag to show all (default) or a selected |
|---|
| 179 | spectrum of Beam/IF/Pol |
|---|
| 180 | |
|---|
| 181 | Example: |
|---|
| 182 | scan.set_unit('channel') |
|---|
| 183 | msk = scan.create_mask([100,200],[500,600]) |
|---|
| 184 | scan.stats(stat='mean', mask=m) |
|---|
| 185 | """ |
|---|
| 186 | from asap._asap import stats as _stats |
|---|
| 187 | if mask == None: |
|---|
| 188 | mask = ones(self.nchan()) |
|---|
| 189 | if all: |
|---|
| 190 | out = '' |
|---|
| 191 | tmp = [] |
|---|
| 192 | for l in range(self.nrow()): |
|---|
| 193 | tm = self._gettime(l) |
|---|
| 194 | out += 'Time[%s]:\n' % (tm) |
|---|
| 195 | for i in range(self.nbeam()): |
|---|
| 196 | self.setbeam(i) |
|---|
| 197 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
|---|
| 198 | for j in range(self.nif()): |
|---|
| 199 | self.setif(j) |
|---|
| 200 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
|---|
| 201 | for k in range(self.npol()): |
|---|
| 202 | self.setpol(k) |
|---|
| 203 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
|---|
| 204 | statval = _stats(self,mask,stat) |
|---|
| 205 | tmp.append(statval) |
|---|
| 206 | out += '= %3.3f\n' % (statval[l]) |
|---|
| 207 | out += "--------------------------------------------------\n" |
|---|
| 208 | |
|---|
| 209 | if self._vb: |
|---|
| 210 | print "--------------------------------------------------" |
|---|
| 211 | print " ",stat |
|---|
| 212 | out += "--------------------------------------------------\n" |
|---|
| 213 | print out |
|---|
| 214 | return tmp |
|---|
| 215 | |
|---|
| 216 | else: |
|---|
| 217 | i = self.getbeam() |
|---|
| 218 | j = self.getif() |
|---|
| 219 | k = self.getpol() |
|---|
| 220 | statval = _stats(self,mask,stat) |
|---|
| 221 | out = '' |
|---|
| 222 | for l in range(self.nrow()): |
|---|
| 223 | tm = self._gettime(l) |
|---|
| 224 | out += 'Time[%s]:\n' % (tm) |
|---|
| 225 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
|---|
| 226 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
|---|
| 227 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
|---|
| 228 | out += '= %3.3f\n' % (statval[l]) |
|---|
| 229 | out += "--------------------------------------------------\n" |
|---|
| 230 | if self._vb: |
|---|
| 231 | print "--------------------------------------------------" |
|---|
| 232 | print " ",stat |
|---|
| 233 | print "--------------------------------------------------" |
|---|
| 234 | print out |
|---|
| 235 | return statval |
|---|
| 236 | |
|---|
| 237 | def stddev(self,mask=None, all=True): |
|---|
| 238 | """ |
|---|
| 239 | Determine the standard deviation of the current beam/if/pol |
|---|
| 240 | Takes a 'mask' as an optional parameter to specify which |
|---|
| 241 | channels should be excluded. |
|---|
| 242 | Parameters: |
|---|
| 243 | mask: an optional mask specifying where the standard |
|---|
| 244 | deviation should be determined. |
|---|
| 245 | all: optional flag to show all or a selected |
|---|
| 246 | spectrum of Beam/IF/Pol |
|---|
| 247 | |
|---|
| 248 | Example: |
|---|
| 249 | scan.set_unit('channel') |
|---|
| 250 | msk = scan.create_mask([100,200],[500,600]) |
|---|
| 251 | scan.stddev(mask=m) |
|---|
| 252 | """ |
|---|
| 253 | return self.stats(stat='stddev',mask=mask, all=all); |
|---|
| 254 | |
|---|
| 255 | def get_tsys(self, all=True): |
|---|
| 256 | """ |
|---|
| 257 | Return the System temperatures. |
|---|
| 258 | Parameters: |
|---|
| 259 | all: optional parameter to get the Tsys values for all |
|---|
| 260 | Beams/IFs/Pols (default) or just the one selected |
|---|
| 261 | with scantable.set_selection() |
|---|
| 262 | [True or False] |
|---|
| 263 | Returns: |
|---|
| 264 | a list of Tsys values. |
|---|
| 265 | """ |
|---|
| 266 | if all: |
|---|
| 267 | out = '' |
|---|
| 268 | tmp = [] |
|---|
| 269 | for l in range(self.nrow()): |
|---|
| 270 | tm = self._gettime(l) |
|---|
| 271 | out += 'Time[%s]:\n' % (tm) |
|---|
| 272 | for i in range(self.nbeam()): |
|---|
| 273 | self.setbeam(i) |
|---|
| 274 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
|---|
| 275 | for j in range(self.nif()): |
|---|
| 276 | self.setif(j) |
|---|
| 277 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
|---|
| 278 | for k in range(self.npol()): |
|---|
| 279 | self.setpol(k) |
|---|
| 280 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
|---|
| 281 | ts = self._gettsys() |
|---|
| 282 | tmp.append(ts) |
|---|
| 283 | out += '= %3.3f\n' % (ts[l]) |
|---|
| 284 | out+= "--------------------------------------------------\n" |
|---|
| 285 | |
|---|
| 286 | if self._vb: |
|---|
| 287 | print "--------------------------------------------------" |
|---|
| 288 | print " Tsys" |
|---|
| 289 | print "--------------------------------------------------" |
|---|
| 290 | print out |
|---|
| 291 | return tmp |
|---|
| 292 | else: |
|---|
| 293 | i = self.getbeam() |
|---|
| 294 | j = self.getif() |
|---|
| 295 | k = self.getpol() |
|---|
| 296 | ts = self._gettsys() |
|---|
| 297 | out = '' |
|---|
| 298 | for l in range(self.nrow()): |
|---|
| 299 | tm = self._gettime(l) |
|---|
| 300 | out += 'Time[%s]:\n' % (tm) |
|---|
| 301 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
|---|
| 302 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
|---|
| 303 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
|---|
| 304 | out += '= %3.3f\n' % (ts[l]) |
|---|
| 305 | out += "--------------------------------------------------\n" |
|---|
| 306 | |
|---|
| 307 | if self._vb: |
|---|
| 308 | print "--------------------------------------------------" |
|---|
| 309 | print " Tsys" |
|---|
| 310 | print "--------------------------------------------------" |
|---|
| 311 | print out |
|---|
| 312 | return ts |
|---|
| 313 | |
|---|
| 314 | def get_time(self): |
|---|
| 315 | """ |
|---|
| 316 | Get a list of time stamps for the observations. |
|---|
| 317 | Return a string for each integration in the scantable. |
|---|
| 318 | Parameters: |
|---|
| 319 | none |
|---|
| 320 | Example: |
|---|
| 321 | none |
|---|
| 322 | """ |
|---|
| 323 | out = [] |
|---|
| 324 | for i in range(self.nrow()): |
|---|
| 325 | out.append(self._gettime(i)) |
|---|
| 326 | return out |
|---|
| 327 | |
|---|
| 328 | def set_unit(self, unit='channel'): |
|---|
| 329 | """ |
|---|
| 330 | Set the unit for all following operations on this scantable |
|---|
| 331 | Parameters: |
|---|
| 332 | unit: optional unit, default is 'channel' |
|---|
| 333 | one of '*Hz','km/s','channel', '' |
|---|
| 334 | """ |
|---|
| 335 | |
|---|
| 336 | if unit in ['','pixel', 'channel']: |
|---|
| 337 | unit = '' |
|---|
| 338 | inf = list(self._getcoordinfo()) |
|---|
| 339 | inf[0] = unit |
|---|
| 340 | self._setcoordinfo(inf) |
|---|
| 341 | if self._p: self.plot() |
|---|
| 342 | |
|---|
| 343 | def set_freqframe(self, frame='LSRK'): |
|---|
| 344 | """ |
|---|
| 345 | Set the frame type of the Spectral Axis. |
|---|
| 346 | Parameters: |
|---|
| 347 | frame: an optional frame type, default 'LSRK'. |
|---|
| 348 | Examples: |
|---|
| 349 | scan.set_freqframe('BARY') |
|---|
| 350 | """ |
|---|
| 351 | valid = ['REST','TOPO','LSRD','LSRK','BARY', \ |
|---|
| 352 | 'GEO','GALACTO','LGROUP','CMB'] |
|---|
| 353 | if frame in valid: |
|---|
| 354 | inf = list(self._getcoordinfo()) |
|---|
| 355 | inf[1] = frame |
|---|
| 356 | self._setcoordinfo(inf) |
|---|
| 357 | else: |
|---|
| 358 | print "Please specify a valid freq type. Valid types are:\n",valid |
|---|
| 359 | |
|---|
| 360 | def get_unit(self): |
|---|
| 361 | """ |
|---|
| 362 | Get the default unit set in this scantable |
|---|
| 363 | Parameters: |
|---|
| 364 | Returns: |
|---|
| 365 | A unit string |
|---|
| 366 | """ |
|---|
| 367 | inf = self._getcoordinfo() |
|---|
| 368 | unit = inf[0] |
|---|
| 369 | if unit == '': unit = 'channel' |
|---|
| 370 | return unit |
|---|
| 371 | |
|---|
| 372 | def get_abcissa(self, rowno=0): |
|---|
| 373 | """ |
|---|
| 374 | Get the abcissa in the current coordinate setup for the currently |
|---|
| 375 | selected Beam/IF/Pol |
|---|
| 376 | Parameters: |
|---|
| 377 | none |
|---|
| 378 | Returns: |
|---|
| 379 | The abcissa values and it's format string. |
|---|
| 380 | """ |
|---|
| 381 | abc = self.getabcissa(rowno) |
|---|
| 382 | lbl = self.getabcissalabel(rowno) |
|---|
| 383 | return abc, lbl |
|---|
| 384 | |
|---|
| 385 | def create_mask(self, *args, **kwargs): |
|---|
| 386 | """ |
|---|
| 387 | Compute and return a mask based on [min,max] windows. |
|---|
| 388 | The specified windows are to be INCLUDED, when the mask is |
|---|
| 389 | applied. |
|---|
| 390 | Parameters: |
|---|
| 391 | [min,max],[min2,max2],... |
|---|
| 392 | Pairs of start/end points specifying the regions |
|---|
| 393 | to be masked |
|---|
| 394 | invert: optional argument. If specified as True, |
|---|
| 395 | return an inverted mask, i.e. the regions |
|---|
| 396 | specified are EXCLUDED |
|---|
| 397 | Example: |
|---|
| 398 | scan.set_unit('channel') |
|---|
| 399 | |
|---|
| 400 | a) |
|---|
| 401 | msk = scan.set_mask([400,500],[800,900]) |
|---|
| 402 | # masks everything outside 400 and 500 |
|---|
| 403 | # and 800 and 900 in the unit 'channel' |
|---|
| 404 | |
|---|
| 405 | b) |
|---|
| 406 | msk = scan.set_mask([400,500],[800,900], invert=True) |
|---|
| 407 | # masks the regions between 400 and 500 |
|---|
| 408 | # and 800 and 900 in the unit 'channel' |
|---|
| 409 | |
|---|
| 410 | """ |
|---|
| 411 | u = self._getcoordinfo()[0] |
|---|
| 412 | if self._vb: |
|---|
| 413 | if u == "": u = "channel" |
|---|
| 414 | print "The current mask window unit is", u |
|---|
| 415 | n = self.nchan() |
|---|
| 416 | data = self.getabcissa() |
|---|
| 417 | msk = zeros(n) |
|---|
| 418 | for window in args: |
|---|
| 419 | if (len(window) != 2 or window[0] > window[1] ): |
|---|
| 420 | print "A window needs to be defined as [min,max]" |
|---|
| 421 | return |
|---|
| 422 | for i in range(n): |
|---|
| 423 | if data[i] >= window[0] and data[i] < window[1]: |
|---|
| 424 | msk[i] = 1 |
|---|
| 425 | if kwargs.has_key('invert'): |
|---|
| 426 | if kwargs.get('invert'): |
|---|
| 427 | from numarray import logical_not |
|---|
| 428 | msk = logical_not(msk) |
|---|
| 429 | return msk |
|---|
| 430 | |
|---|
| 431 | def set_restfreqs(self, freqs, unit='Hz'): |
|---|
| 432 | """ |
|---|
| 433 | Set the restfrequency(s) for this scantable. |
|---|
| 434 | Parameters: |
|---|
| 435 | freqs: one or more frequencies |
|---|
| 436 | unit: optional 'unit', default 'Hz' |
|---|
| 437 | Example: |
|---|
| 438 | scan.set_restfreqs([1000000000.0]) |
|---|
| 439 | """ |
|---|
| 440 | if type(freqs) is float or int: |
|---|
| 441 | freqs = (freqs) |
|---|
| 442 | sdtable._setrestfreqs(self,freqs, unit) |
|---|
| 443 | return |
|---|
| 444 | |
|---|
| 445 | def flag_spectrum(self, thebeam, theif, thepol): |
|---|
| 446 | """ |
|---|
| 447 | This flags a selected spectrum in the scan 'for good'. |
|---|
| 448 | USE WITH CARE - not reversible. |
|---|
| 449 | Use masks for non-permanent exclusion of channels. |
|---|
| 450 | Parameters: |
|---|
| 451 | thebeam,theif,thepol: all have to be explicitly |
|---|
| 452 | specified |
|---|
| 453 | Example: |
|---|
| 454 | scan.flag_spectrum(0,0,1) |
|---|
| 455 | flags the spectrum for Beam=0, IF=0, Pol=1 |
|---|
| 456 | """ |
|---|
| 457 | if (thebeam < self.nbeam() and theif < self.nif() and thepol < self.npol()): |
|---|
| 458 | stable.setbeam(thebeam) |
|---|
| 459 | stable.setif(theif) |
|---|
| 460 | stable.setpol(thepol) |
|---|
| 461 | stable._flag(self) |
|---|
| 462 | else: |
|---|
| 463 | print "Please specify a valid (Beam/IF/Pol)" |
|---|
| 464 | return |
|---|
| 465 | |
|---|
| 466 | def plot(self, what='spectrum',col='Pol', panel=None): |
|---|
| 467 | """ |
|---|
| 468 | Plot the spectra contained in the scan. Alternatively you can also |
|---|
| 469 | Plot Tsys vs Time |
|---|
| 470 | Parameters: |
|---|
| 471 | what: a choice of 'spectrum' (default) or 'tsys' |
|---|
| 472 | col: which out of Beams/IFs/Pols should be colour stacked |
|---|
| 473 | panel: set up multiple panels, currently not working. |
|---|
| 474 | """ |
|---|
| 475 | validcol = {'Beam':self.nbeam(),'IF':self.nif(),'Pol':self.npol()} |
|---|
| 476 | |
|---|
| 477 | validyax = ['spectrum','tsys'] |
|---|
| 478 | from asap.asaplot import ASAPlot |
|---|
| 479 | if not self._p: |
|---|
| 480 | self._p = ASAPlot() |
|---|
| 481 | #print "Plotting not enabled" |
|---|
| 482 | #return |
|---|
| 483 | if self._p.is_dead: |
|---|
| 484 | del self._p |
|---|
| 485 | self._p = ASAPlot() |
|---|
| 486 | npan = 1 |
|---|
| 487 | x = None |
|---|
| 488 | if what == 'tsys': |
|---|
| 489 | n = self.nrow() |
|---|
| 490 | if n < 2: |
|---|
| 491 | print "Only one integration. Can't plot." |
|---|
| 492 | return |
|---|
| 493 | self._p.hold() |
|---|
| 494 | self._p.clear() |
|---|
| 495 | if panel == 'Time': |
|---|
| 496 | npan = self.nrow() |
|---|
| 497 | self._p.set_panels(rows=npan) |
|---|
| 498 | xlab,ylab,tlab = None,None,None |
|---|
| 499 | vb = self._verbose() |
|---|
| 500 | self._verbose(False) |
|---|
| 501 | sel = self.get_selection() |
|---|
| 502 | for i in range(npan): |
|---|
| 503 | self._p.subplot(i) |
|---|
| 504 | for j in range(validcol[col]): |
|---|
| 505 | x = None |
|---|
| 506 | y = None |
|---|
| 507 | m = None |
|---|
| 508 | tlab = self._getsourcename(i) |
|---|
| 509 | import re |
|---|
| 510 | tlab = re.sub('_S','',tlab) |
|---|
| 511 | if col == 'Beam': |
|---|
| 512 | self.setbeam(j) |
|---|
| 513 | elif col == 'IF': |
|---|
| 514 | self.setif(j) |
|---|
| 515 | elif col == 'Pol': |
|---|
| 516 | self.setpol(j) |
|---|
| 517 | if what == 'tsys': |
|---|
| 518 | x = range(self.nrow()) |
|---|
| 519 | xlab = 'Time [pixel]' |
|---|
| 520 | m = list(ones(len(x))) |
|---|
| 521 | y = [] |
|---|
| 522 | ylab = r'$T_{sys}$' |
|---|
| 523 | for k in range(len(x)): |
|---|
| 524 | y.append(self._gettsys(k)) |
|---|
| 525 | else: |
|---|
| 526 | x,xlab = self.get_abcissa(i) |
|---|
| 527 | y = self.getspectrum(i) |
|---|
| 528 | ylab = r'Flux' |
|---|
| 529 | m = self.getmask(i) |
|---|
| 530 | llab = col+' '+str(j) |
|---|
| 531 | self._p.set_line(label=llab) |
|---|
| 532 | self._p.plot(x,y,m) |
|---|
| 533 | self._p.set_axes('xlabel',xlab) |
|---|
| 534 | self._p.set_axes('ylabel',ylab) |
|---|
| 535 | self._p.set_axes('title',tlab) |
|---|
| 536 | self._p.release() |
|---|
| 537 | self.set_selection(sel[0],sel[1],sel[2]) |
|---|
| 538 | self._verbose(vb) |
|---|
| 539 | return |
|---|
