[102] | 1 | from asap._asap import sdtable |
---|
[226] | 2 | from asap import rcParams |
---|
[189] | 3 | from numarray import ones,zeros |
---|
[102] | 4 | import sys |
---|
| 5 | |
---|
| 6 | class scantable(sdtable): |
---|
| 7 | """ |
---|
| 8 | The ASAP container for scans |
---|
| 9 | """ |
---|
[113] | 10 | |
---|
[102] | 11 | def __init__(self, filename): |
---|
| 12 | """ |
---|
| 13 | Create a scantable from a saved one or make a reference |
---|
| 14 | Parameters: |
---|
[181] | 15 | filename: the name of an asap table on disk |
---|
| 16 | or |
---|
| 17 | the name of a rpfits/sdfits/ms file |
---|
| 18 | (integrations within scans are auto averaged |
---|
| 19 | and the whole file is read) |
---|
| 20 | or |
---|
| 21 | [advanced] a reference to an existing |
---|
[102] | 22 | scantable |
---|
| 23 | """ |
---|
[226] | 24 | self._vb = rcParams['verbose'] |
---|
[113] | 25 | self._p = None |
---|
[181] | 26 | from os import stat as st |
---|
| 27 | import stat |
---|
| 28 | if isinstance(filename,sdtable): |
---|
| 29 | sdtable.__init__(self, filename) |
---|
| 30 | else: |
---|
[226] | 31 | try: |
---|
| 32 | mode = st(filename)[stat.ST_MODE] |
---|
| 33 | except OSError: |
---|
| 34 | print "File not found" |
---|
| 35 | return |
---|
[181] | 36 | if stat.S_ISDIR(mode): |
---|
| 37 | # crude check if asap table |
---|
| 38 | if stat.S_ISREG(st(filename+'/table.info')[stat.ST_MODE]): |
---|
| 39 | sdtable.__init__(self, filename) |
---|
| 40 | else: |
---|
| 41 | print 'The given file is not a valid asap table' |
---|
[226] | 42 | return |
---|
| 43 | else: |
---|
| 44 | autoav = rcParams['scantable.autoaverage'] |
---|
| 45 | |
---|
[181] | 46 | from asap._asap import sdreader |
---|
| 47 | r = sdreader(filename) |
---|
| 48 | print 'Importing data...' |
---|
| 49 | r.read([-1]) |
---|
| 50 | tbl = r.getdata() |
---|
[226] | 51 | if autoav: |
---|
| 52 | from asap._asap import average |
---|
| 53 | tmp = tuple([tbl]) |
---|
| 54 | print 'Auto averaging integrations...' |
---|
| 55 | tbl2 = average(tmp,(),True,'none') |
---|
| 56 | sdtable.__init__(self,tbl2) |
---|
| 57 | del r,tbl |
---|
| 58 | else: |
---|
| 59 | sdtable.__init__(self,tbl) |
---|
[102] | 60 | |
---|
[226] | 61 | def save(self, name="", format=None): |
---|
[116] | 62 | """ |
---|
| 63 | Store the scantable on disk. This can be a asap file or SDFITS/MS2. |
---|
| 64 | Parameters: |
---|
[196] | 65 | name: the name of the outputfile. For format="FITS" this |
---|
| 66 | is the root file name (and can be empty). |
---|
[116] | 67 | format: an optional file format. Default is ASAP. |
---|
[194] | 68 | Allowed are - 'ASAP' (save as ASAP Table), |
---|
| 69 | 'SDFITS' (save as SDFITS file) |
---|
| 70 | 'FITS' (saves each row as a FITS Image) |
---|
[200] | 71 | 'ASCII' (saves as ascii text file) |
---|
[226] | 72 | 'MS2' (saves as an aips++ |
---|
| 73 | MeasurementSet V2) |
---|
[116] | 74 | Example: |
---|
| 75 | scan.save('myscan.asap') |
---|
| 76 | scan.save('myscan.sdfits','SDFITS') |
---|
| 77 | """ |
---|
[226] | 78 | if format is None: format = rcParams['scantable.save'] |
---|
[116] | 79 | if format == 'ASAP': |
---|
| 80 | self._save(name) |
---|
| 81 | else: |
---|
| 82 | from asap._asap import sdwriter as _sw |
---|
[194] | 83 | w = _sw(format) |
---|
| 84 | w.write(self, name) |
---|
[116] | 85 | return |
---|
| 86 | |
---|
[102] | 87 | def copy(self): |
---|
| 88 | """ |
---|
| 89 | Return a copy of this scantable. |
---|
| 90 | Parameters: |
---|
[113] | 91 | none |
---|
[102] | 92 | Example: |
---|
| 93 | copiedscan = scan.copy() |
---|
| 94 | """ |
---|
[113] | 95 | sd = scantable(sdtable._copy(self)) |
---|
| 96 | return sd |
---|
| 97 | |
---|
[102] | 98 | def get_scan(self, scanid=None): |
---|
| 99 | """ |
---|
| 100 | Return a specific scan (by scanno) or collection of scans (by |
---|
| 101 | source name) in a new scantable. |
---|
| 102 | Parameters: |
---|
| 103 | scanid: a scanno or a source name |
---|
| 104 | Example: |
---|
[113] | 105 | scan.get_scan('323p459') |
---|
[102] | 106 | # gets all scans containing the source '323p459' |
---|
| 107 | """ |
---|
| 108 | if scanid is None: |
---|
| 109 | print "Please specify a scan no or name to retrieve from the scantable" |
---|
| 110 | try: |
---|
| 111 | if type(scanid) is str: |
---|
[113] | 112 | s = sdtable._getsource(self,scanid) |
---|
[102] | 113 | return scantable(s) |
---|
| 114 | elif type(scanid) is int: |
---|
[113] | 115 | s = sdtable._getscan(self,scanid) |
---|
[102] | 116 | return scantable(s) |
---|
| 117 | except RuntimeError: |
---|
| 118 | print "Couldn't find any match." |
---|
| 119 | |
---|
| 120 | def __str__(self): |
---|
| 121 | return sdtable.summary(self) |
---|
| 122 | |
---|
| 123 | def summary(self,filename=None): |
---|
| 124 | """ |
---|
| 125 | Print a summary of the contents of this scantable. |
---|
| 126 | Parameters: |
---|
| 127 | filename: the name of a file to write the putput to |
---|
| 128 | Default - no file output |
---|
| 129 | """ |
---|
| 130 | info = sdtable.summary(self) |
---|
| 131 | if filename is not None: |
---|
| 132 | data = open(filename, 'w') |
---|
| 133 | data.write(info) |
---|
| 134 | data.close() |
---|
| 135 | print info |
---|
| 136 | |
---|
| 137 | def set_selection(self, thebeam=0,theif=0,thepol=0): |
---|
| 138 | """ |
---|
| 139 | Set the spectrum for individual operations. |
---|
| 140 | Parameters: |
---|
| 141 | thebeam,theif,thepol: a number |
---|
| 142 | Example: |
---|
| 143 | scan.set_selection(0,0,1) |
---|
[135] | 144 | pol1sig = scan.stats(all=False) # returns std dev for beam=0 |
---|
[181] | 145 | # if=0, pol=1 |
---|
[102] | 146 | """ |
---|
| 147 | self.setbeam(thebeam) |
---|
| 148 | self.setpol(thepol) |
---|
| 149 | self.setif(theif) |
---|
| 150 | return |
---|
| 151 | |
---|
| 152 | def get_selection(self): |
---|
[113] | 153 | """ |
---|
| 154 | Return/print a the current 'cursor' into the Beam/IF/Pol cube. |
---|
| 155 | Parameters: |
---|
| 156 | none |
---|
| 157 | Returns: |
---|
| 158 | a list of values (currentBeam,currentIF,currentPol) |
---|
| 159 | Example: |
---|
| 160 | none |
---|
| 161 | """ |
---|
[102] | 162 | i = self.getbeam() |
---|
| 163 | j = self.getif() |
---|
| 164 | k = self.getpol() |
---|
[113] | 165 | if self._vb: |
---|
[181] | 166 | print "--------------------------------------------------" |
---|
| 167 | print " Cursor selection" |
---|
| 168 | print "--------------------------------------------------" |
---|
[226] | 169 | out = 'Beam=%d IF=%d Pol=%d ' % (i,j,k) |
---|
[113] | 170 | print out |
---|
[102] | 171 | return i,j,k |
---|
| 172 | |
---|
[226] | 173 | def stats(self, stat='stddev', mask=None, all=None): |
---|
[102] | 174 | """ |
---|
[135] | 175 | Determine the specified statistic of the current beam/if/pol |
---|
[102] | 176 | Takes a 'mask' as an optional parameter to specify which |
---|
| 177 | channels should be excluded. |
---|
| 178 | Parameters: |
---|
[135] | 179 | stat: 'min', 'max', 'sumsq', 'sum', 'mean' |
---|
| 180 | 'var', 'stddev', 'avdev', 'rms', 'median' |
---|
| 181 | mask: an optional mask specifying where the statistic |
---|
[102] | 182 | should be determined. |
---|
[226] | 183 | all: optional flag to show all (default or .asaprc) or a |
---|
| 184 | cursor selected spectrum of Beam/IF/Pol |
---|
[102] | 185 | |
---|
| 186 | Example: |
---|
[113] | 187 | scan.set_unit('channel') |
---|
[102] | 188 | msk = scan.create_mask([100,200],[500,600]) |
---|
[135] | 189 | scan.stats(stat='mean', mask=m) |
---|
[102] | 190 | """ |
---|
[226] | 191 | if all is None: all = rcParams['scantable.allaxes'] |
---|
[135] | 192 | from asap._asap import stats as _stats |
---|
[102] | 193 | if mask == None: |
---|
| 194 | mask = ones(self.nchan()) |
---|
| 195 | if all: |
---|
| 196 | out = '' |
---|
| 197 | tmp = [] |
---|
[181] | 198 | for l in range(self.nrow()): |
---|
| 199 | tm = self._gettime(l) |
---|
| 200 | out += 'Time[%s]:\n' % (tm) |
---|
| 201 | for i in range(self.nbeam()): |
---|
| 202 | self.setbeam(i) |
---|
| 203 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
---|
| 204 | for j in range(self.nif()): |
---|
| 205 | self.setif(j) |
---|
| 206 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
---|
| 207 | for k in range(self.npol()): |
---|
| 208 | self.setpol(k) |
---|
| 209 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
---|
| 210 | statval = _stats(self,mask,stat) |
---|
| 211 | tmp.append(statval) |
---|
| 212 | out += '= %3.3f\n' % (statval[l]) |
---|
| 213 | out += "--------------------------------------------------\n" |
---|
| 214 | if self._vb: |
---|
| 215 | print "--------------------------------------------------" |
---|
| 216 | print " ",stat |
---|
| 217 | out += "--------------------------------------------------\n" |
---|
| 218 | print out |
---|
[102] | 219 | return tmp |
---|
| 220 | |
---|
| 221 | else: |
---|
| 222 | i = self.getbeam() |
---|
| 223 | j = self.getif() |
---|
| 224 | k = self.getpol() |
---|
[181] | 225 | statval = _stats(self,mask,stat) |
---|
| 226 | out = '' |
---|
| 227 | for l in range(self.nrow()): |
---|
| 228 | tm = self._gettime(l) |
---|
| 229 | out += 'Time[%s]:\n' % (tm) |
---|
| 230 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
---|
| 231 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
---|
| 232 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
---|
| 233 | out += '= %3.3f\n' % (statval[l]) |
---|
| 234 | out += "--------------------------------------------------\n" |
---|
[226] | 235 | |
---|
[181] | 236 | if self._vb: |
---|
| 237 | print "--------------------------------------------------" |
---|
| 238 | print " ",stat |
---|
| 239 | print "--------------------------------------------------" |
---|
| 240 | print out |
---|
| 241 | return statval |
---|
[102] | 242 | |
---|
[226] | 243 | def stddev(self,mask=None, all=None): |
---|
[135] | 244 | """ |
---|
| 245 | Determine the standard deviation of the current beam/if/pol |
---|
| 246 | Takes a 'mask' as an optional parameter to specify which |
---|
| 247 | channels should be excluded. |
---|
| 248 | Parameters: |
---|
| 249 | mask: an optional mask specifying where the standard |
---|
| 250 | deviation should be determined. |
---|
[226] | 251 | all: optional flag to show all or a cursor selected |
---|
| 252 | spectrum of Beam/IF/Pol. Default is all or taken |
---|
| 253 | from .asaprc |
---|
[135] | 254 | |
---|
| 255 | Example: |
---|
| 256 | scan.set_unit('channel') |
---|
| 257 | msk = scan.create_mask([100,200],[500,600]) |
---|
| 258 | scan.stddev(mask=m) |
---|
| 259 | """ |
---|
[226] | 260 | if all is None: all = rcParams['scantable.allaxes'] |
---|
[135] | 261 | return self.stats(stat='stddev',mask=mask, all=all); |
---|
| 262 | |
---|
[226] | 263 | def get_tsys(self, all=None): |
---|
[113] | 264 | """ |
---|
| 265 | Return the System temperatures. |
---|
| 266 | Parameters: |
---|
| 267 | all: optional parameter to get the Tsys values for all |
---|
| 268 | Beams/IFs/Pols (default) or just the one selected |
---|
| 269 | with scantable.set_selection() |
---|
| 270 | [True or False] |
---|
| 271 | Returns: |
---|
| 272 | a list of Tsys values. |
---|
| 273 | """ |
---|
[226] | 274 | if all is None: all = rcParams['scantable.allaxes'] |
---|
[102] | 275 | if all: |
---|
[181] | 276 | out = '' |
---|
[102] | 277 | tmp = [] |
---|
[181] | 278 | for l in range(self.nrow()): |
---|
| 279 | tm = self._gettime(l) |
---|
| 280 | out += 'Time[%s]:\n' % (tm) |
---|
| 281 | for i in range(self.nbeam()): |
---|
| 282 | self.setbeam(i) |
---|
| 283 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
---|
| 284 | for j in range(self.nif()): |
---|
| 285 | self.setif(j) |
---|
| 286 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
---|
| 287 | for k in range(self.npol()): |
---|
| 288 | self.setpol(k) |
---|
| 289 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
---|
| 290 | ts = self._gettsys() |
---|
| 291 | tmp.append(ts) |
---|
| 292 | out += '= %3.3f\n' % (ts[l]) |
---|
| 293 | out+= "--------------------------------------------------\n" |
---|
| 294 | if self._vb: |
---|
| 295 | print "--------------------------------------------------" |
---|
| 296 | print " Tsys" |
---|
| 297 | print "--------------------------------------------------" |
---|
| 298 | print out |
---|
[102] | 299 | return tmp |
---|
| 300 | else: |
---|
| 301 | i = self.getbeam() |
---|
| 302 | j = self.getif() |
---|
| 303 | k = self.getpol() |
---|
[113] | 304 | ts = self._gettsys() |
---|
[181] | 305 | out = '' |
---|
| 306 | for l in range(self.nrow()): |
---|
| 307 | tm = self._gettime(l) |
---|
| 308 | out += 'Time[%s]:\n' % (tm) |
---|
| 309 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
---|
| 310 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
---|
| 311 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
---|
| 312 | out += '= %3.3f\n' % (ts[l]) |
---|
| 313 | out += "--------------------------------------------------\n" |
---|
| 314 | if self._vb: |
---|
| 315 | print "--------------------------------------------------" |
---|
| 316 | print " Tsys" |
---|
| 317 | print "--------------------------------------------------" |
---|
| 318 | print out |
---|
[102] | 319 | return ts |
---|
[113] | 320 | |
---|
| 321 | def get_time(self): |
---|
| 322 | """ |
---|
| 323 | Get a list of time stamps for the observations. |
---|
[181] | 324 | Return a string for each integration in the scantable. |
---|
[113] | 325 | Parameters: |
---|
| 326 | none |
---|
| 327 | Example: |
---|
| 328 | none |
---|
| 329 | """ |
---|
| 330 | out = [] |
---|
| 331 | for i in range(self.nrow()): |
---|
| 332 | out.append(self._gettime(i)) |
---|
| 333 | return out |
---|
[102] | 334 | |
---|
| 335 | def set_unit(self, unit='channel'): |
---|
| 336 | """ |
---|
| 337 | Set the unit for all following operations on this scantable |
---|
| 338 | Parameters: |
---|
| 339 | unit: optional unit, default is 'channel' |
---|
[113] | 340 | one of '*Hz','km/s','channel', '' |
---|
[102] | 341 | """ |
---|
[113] | 342 | |
---|
| 343 | if unit in ['','pixel', 'channel']: |
---|
| 344 | unit = '' |
---|
| 345 | inf = list(self._getcoordinfo()) |
---|
| 346 | inf[0] = unit |
---|
| 347 | self._setcoordinfo(inf) |
---|
| 348 | if self._p: self.plot() |
---|
| 349 | |
---|
[226] | 350 | def set_freqframe(self, frame=None): |
---|
[113] | 351 | """ |
---|
| 352 | Set the frame type of the Spectral Axis. |
---|
| 353 | Parameters: |
---|
| 354 | frame: an optional frame type, default 'LSRK'. |
---|
| 355 | Examples: |
---|
| 356 | scan.set_freqframe('BARY') |
---|
| 357 | """ |
---|
[226] | 358 | if not frame: frame = rcParams['scantable.freqframe'] |
---|
[113] | 359 | valid = ['REST','TOPO','LSRD','LSRK','BARY', \ |
---|
| 360 | 'GEO','GALACTO','LGROUP','CMB'] |
---|
| 361 | if frame in valid: |
---|
| 362 | inf = list(self._getcoordinfo()) |
---|
| 363 | inf[1] = frame |
---|
| 364 | self._setcoordinfo(inf) |
---|
[102] | 365 | else: |
---|
[113] | 366 | print "Please specify a valid freq type. Valid types are:\n",valid |
---|
| 367 | |
---|
| 368 | def get_unit(self): |
---|
| 369 | """ |
---|
| 370 | Get the default unit set in this scantable |
---|
| 371 | Parameters: |
---|
| 372 | Returns: |
---|
| 373 | A unit string |
---|
| 374 | """ |
---|
| 375 | inf = self._getcoordinfo() |
---|
| 376 | unit = inf[0] |
---|
| 377 | if unit == '': unit = 'channel' |
---|
| 378 | return unit |
---|
[102] | 379 | |
---|
[158] | 380 | def get_abcissa(self, rowno=0): |
---|
[102] | 381 | """ |
---|
[158] | 382 | Get the abcissa in the current coordinate setup for the currently |
---|
[113] | 383 | selected Beam/IF/Pol |
---|
| 384 | Parameters: |
---|
[226] | 385 | rowno: an optional row number in the scantable. Default is the |
---|
| 386 | first row, i.e. rowno=0 |
---|
[113] | 387 | Returns: |
---|
[158] | 388 | The abcissa values and it's format string. |
---|
[113] | 389 | """ |
---|
[158] | 390 | abc = self.getabcissa(rowno) |
---|
| 391 | lbl = self.getabcissalabel(rowno) |
---|
| 392 | return abc, lbl |
---|
[113] | 393 | |
---|
| 394 | def create_mask(self, *args, **kwargs): |
---|
| 395 | """ |
---|
[102] | 396 | Compute and return a mask based on [min,max] windows. |
---|
[189] | 397 | The specified windows are to be INCLUDED, when the mask is |
---|
[113] | 398 | applied. |
---|
[102] | 399 | Parameters: |
---|
| 400 | [min,max],[min2,max2],... |
---|
| 401 | Pairs of start/end points specifying the regions |
---|
| 402 | to be masked |
---|
[189] | 403 | invert: optional argument. If specified as True, |
---|
| 404 | return an inverted mask, i.e. the regions |
---|
| 405 | specified are EXCLUDED |
---|
[102] | 406 | Example: |
---|
[113] | 407 | scan.set_unit('channel') |
---|
| 408 | |
---|
| 409 | a) |
---|
[102] | 410 | msk = scan.set_mask([400,500],[800,900]) |
---|
[189] | 411 | # masks everything outside 400 and 500 |
---|
[113] | 412 | # and 800 and 900 in the unit 'channel' |
---|
| 413 | |
---|
| 414 | b) |
---|
| 415 | msk = scan.set_mask([400,500],[800,900], invert=True) |
---|
[189] | 416 | # masks the regions between 400 and 500 |
---|
[113] | 417 | # and 800 and 900 in the unit 'channel' |
---|
| 418 | |
---|
[102] | 419 | """ |
---|
[113] | 420 | u = self._getcoordinfo()[0] |
---|
| 421 | if self._vb: |
---|
| 422 | if u == "": u = "channel" |
---|
| 423 | print "The current mask window unit is", u |
---|
[102] | 424 | n = self.nchan() |
---|
[158] | 425 | data = self.getabcissa() |
---|
[189] | 426 | msk = zeros(n) |
---|
[102] | 427 | for window in args: |
---|
| 428 | if (len(window) != 2 or window[0] > window[1] ): |
---|
| 429 | print "A window needs to be defined as [min,max]" |
---|
| 430 | return |
---|
| 431 | for i in range(n): |
---|
[113] | 432 | if data[i] >= window[0] and data[i] < window[1]: |
---|
[189] | 433 | msk[i] = 1 |
---|
[113] | 434 | if kwargs.has_key('invert'): |
---|
| 435 | if kwargs.get('invert'): |
---|
| 436 | from numarray import logical_not |
---|
| 437 | msk = logical_not(msk) |
---|
[102] | 438 | return msk |
---|
[113] | 439 | |
---|
| 440 | def set_restfreqs(self, freqs, unit='Hz'): |
---|
[102] | 441 | """ |
---|
| 442 | Set the restfrequency(s) for this scantable. |
---|
| 443 | Parameters: |
---|
| 444 | freqs: one or more frequencies |
---|
| 445 | unit: optional 'unit', default 'Hz' |
---|
| 446 | Example: |
---|
[113] | 447 | scan.set_restfreqs([1000000000.0]) |
---|
[102] | 448 | """ |
---|
[113] | 449 | if type(freqs) is float or int: |
---|
| 450 | freqs = (freqs) |
---|
| 451 | sdtable._setrestfreqs(self,freqs, unit) |
---|
[102] | 452 | return |
---|
| 453 | |
---|
| 454 | def flag_spectrum(self, thebeam, theif, thepol): |
---|
| 455 | """ |
---|
| 456 | This flags a selected spectrum in the scan 'for good'. |
---|
| 457 | USE WITH CARE - not reversible. |
---|
| 458 | Use masks for non-permanent exclusion of channels. |
---|
| 459 | Parameters: |
---|
| 460 | thebeam,theif,thepol: all have to be explicitly |
---|
| 461 | specified |
---|
| 462 | Example: |
---|
| 463 | scan.flag_spectrum(0,0,1) |
---|
| 464 | flags the spectrum for Beam=0, IF=0, Pol=1 |
---|
| 465 | """ |
---|
| 466 | if (thebeam < self.nbeam() and theif < self.nif() and thepol < self.npol()): |
---|
| 467 | stable.setbeam(thebeam) |
---|
| 468 | stable.setif(theif) |
---|
| 469 | stable.setpol(thepol) |
---|
| 470 | stable._flag(self) |
---|
| 471 | else: |
---|
| 472 | print "Please specify a valid (Beam/IF/Pol)" |
---|
| 473 | return |
---|
[113] | 474 | |
---|
| 475 | def plot(self, what='spectrum',col='Pol', panel=None): |
---|
| 476 | """ |
---|
| 477 | Plot the spectra contained in the scan. Alternatively you can also |
---|
| 478 | Plot Tsys vs Time |
---|
| 479 | Parameters: |
---|
| 480 | what: a choice of 'spectrum' (default) or 'tsys' |
---|
[135] | 481 | col: which out of Beams/IFs/Pols should be colour stacked |
---|
[113] | 482 | panel: set up multiple panels, currently not working. |
---|
| 483 | """ |
---|
| 484 | validcol = {'Beam':self.nbeam(),'IF':self.nif(),'Pol':self.npol()} |
---|
[124] | 485 | |
---|
[113] | 486 | validyax = ['spectrum','tsys'] |
---|
[189] | 487 | from asap.asaplot import ASAPlot |
---|
[113] | 488 | if not self._p: |
---|
| 489 | self._p = ASAPlot() |
---|
[189] | 490 | #print "Plotting not enabled" |
---|
| 491 | #return |
---|
| 492 | if self._p.is_dead: |
---|
| 493 | del self._p |
---|
| 494 | self._p = ASAPlot() |
---|
[113] | 495 | npan = 1 |
---|
| 496 | x = None |
---|
| 497 | if what == 'tsys': |
---|
| 498 | n = self.nrow() |
---|
| 499 | if n < 2: |
---|
| 500 | print "Only one integration. Can't plot." |
---|
| 501 | return |
---|
[124] | 502 | self._p.hold() |
---|
| 503 | self._p.clear() |
---|
[113] | 504 | if panel == 'Time': |
---|
| 505 | npan = self.nrow() |
---|
[124] | 506 | self._p.set_panels(rows=npan) |
---|
[113] | 507 | xlab,ylab,tlab = None,None,None |
---|
[226] | 508 | self._vb = False |
---|
| 509 | sel = self.get_selection() |
---|
[113] | 510 | for i in range(npan): |
---|
[226] | 511 | if npan > 1: |
---|
| 512 | self._p.subplot(i) |
---|
[113] | 513 | for j in range(validcol[col]): |
---|
| 514 | x = None |
---|
| 515 | y = None |
---|
| 516 | m = None |
---|
| 517 | tlab = self._getsourcename(i) |
---|
[124] | 518 | import re |
---|
| 519 | tlab = re.sub('_S','',tlab) |
---|
[113] | 520 | if col == 'Beam': |
---|
| 521 | self.setbeam(j) |
---|
| 522 | elif col == 'IF': |
---|
| 523 | self.setif(j) |
---|
| 524 | elif col == 'Pol': |
---|
| 525 | self.setpol(j) |
---|
| 526 | if what == 'tsys': |
---|
| 527 | x = range(self.nrow()) |
---|
| 528 | xlab = 'Time [pixel]' |
---|
| 529 | m = list(ones(len(x))) |
---|
| 530 | y = [] |
---|
| 531 | ylab = r'$T_{sys}$' |
---|
| 532 | for k in range(len(x)): |
---|
| 533 | y.append(self._gettsys(k)) |
---|
| 534 | else: |
---|
[158] | 535 | x,xlab = self.get_abcissa(i) |
---|
[113] | 536 | y = self.getspectrum(i) |
---|
| 537 | ylab = r'Flux' |
---|
| 538 | m = self.getmask(i) |
---|
| 539 | llab = col+' '+str(j) |
---|
| 540 | self._p.set_line(label=llab) |
---|
| 541 | self._p.plot(x,y,m) |
---|
[124] | 542 | self._p.set_axes('xlabel',xlab) |
---|
| 543 | self._p.set_axes('ylabel',ylab) |
---|
| 544 | self._p.set_axes('title',tlab) |
---|
[113] | 545 | self._p.release() |
---|
| 546 | self.set_selection(sel[0],sel[1],sel[2]) |
---|
[226] | 547 | self._vb = rcParams['verbose'] |
---|
[113] | 548 | return |
---|