1 | //#--------------------------------------------------------------------------- |
---|
2 | //# NRODataset.cc: Base class for NRO dataset. |
---|
3 | //#--------------------------------------------------------------------------- |
---|
4 | //# Copyright (C) 2000-2006 |
---|
5 | //# Associated Universities, Inc. Washington DC, USA. |
---|
6 | //# |
---|
7 | //# This library is free software; you can redistribute it and/or modify it |
---|
8 | //# under the terms of the GNU Library General Public License as published by |
---|
9 | //# the Free Software Foundation; either version 2 of the License, or (at your |
---|
10 | //# option) any later version. |
---|
11 | //# |
---|
12 | //# This library is distributed in the hope that it will be useful, but WITHOUT |
---|
13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
---|
14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
---|
15 | //# License for more details. |
---|
16 | //# |
---|
17 | //# You should have received a copy of the GNU Library General Public License |
---|
18 | //# along with this library; if not, write to the Free Software Foundation, |
---|
19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
---|
20 | //# |
---|
21 | //# Correspondence concerning AIPS++ should be addressed as follows: |
---|
22 | //# Internet email: aips2-request@nrao.edu. |
---|
23 | //# Postal address: AIPS++ Project Office |
---|
24 | //# National Radio Astronomy Observatory |
---|
25 | //# 520 Edgemont Road |
---|
26 | //# Charlottesville, VA 22903-2475 USA |
---|
27 | //# |
---|
28 | //# $Id$ |
---|
29 | //#--------------------------------------------------------------------------- |
---|
30 | //# Original: 2009/02/27, Takeshi Nakazato, NAOJ |
---|
31 | //#--------------------------------------------------------------------------- |
---|
32 | |
---|
33 | #include <atnf/PKSIO/NRODataset.h> |
---|
34 | #include <casa/OS/Time.h> |
---|
35 | #include <scimath/Mathematics/InterpolateArray1D.h> |
---|
36 | |
---|
37 | #include <math.h> |
---|
38 | #include <fstream> |
---|
39 | |
---|
40 | //#include <casa/namespace.h> |
---|
41 | |
---|
42 | using namespace std ; |
---|
43 | |
---|
44 | // |
---|
45 | // NRODataset |
---|
46 | // |
---|
47 | // Base class for NRO dataset. |
---|
48 | // |
---|
49 | |
---|
50 | // constructor |
---|
51 | NRODataset::NRODataset( string name ) |
---|
52 | { |
---|
53 | LogIO os( LogOrigin( "NRODataset", "NRODataset()", WHERE ) ) ; |
---|
54 | |
---|
55 | // memory allocation |
---|
56 | initialize() ; |
---|
57 | |
---|
58 | filename_ = name ; |
---|
59 | fp_ = NULL ; |
---|
60 | scanNum_ = 0 ; |
---|
61 | rowNum_ = 0 ; |
---|
62 | scanLen_ = 0 ; |
---|
63 | dataLen_ = 0 ; |
---|
64 | dataid_ = -1 ; |
---|
65 | |
---|
66 | // OS endian |
---|
67 | int i = 1 ; |
---|
68 | endian_ = -1 ; |
---|
69 | if ( *reinterpret_cast<char *>(&i) == 1 ) { |
---|
70 | endian_ = LITTLE_ENDIAN ; |
---|
71 | os << LogIO::NORMAL << "LITTLE_ENDIAN " << LogIO::POST ; |
---|
72 | } |
---|
73 | else { |
---|
74 | endian_ = BIG_ENDIAN ; |
---|
75 | os << LogIO::NORMAL << "BIG_ENDIAN " << LogIO::POST ; |
---|
76 | } |
---|
77 | same_ = -1 ; |
---|
78 | } |
---|
79 | |
---|
80 | // destructor |
---|
81 | NRODataset::~NRODataset() |
---|
82 | { |
---|
83 | // release memory |
---|
84 | releaseRecord() ; |
---|
85 | |
---|
86 | // close file |
---|
87 | close() ; |
---|
88 | } |
---|
89 | |
---|
90 | // data initialization |
---|
91 | void NRODataset::initialize() |
---|
92 | { |
---|
93 | datasize_ = sizeof( char ) * 8 // LOFIL |
---|
94 | + sizeof( char ) * 8 // VER |
---|
95 | + sizeof( char ) * 16 // GROUP |
---|
96 | + sizeof( char ) * 16 // PROJ |
---|
97 | + sizeof( char ) * 24 // SCHED |
---|
98 | + sizeof( char ) * 40 // OBSVR |
---|
99 | + sizeof( char ) * 16 // LOSTM |
---|
100 | + sizeof( char ) * 16 // LOETM |
---|
101 | + sizeof( int ) * 2 // ARYNM, NSCAN |
---|
102 | + sizeof( char ) * 120 // TITLE |
---|
103 | + sizeof( char ) * 16 // OBJ |
---|
104 | + sizeof( char ) * 8 // EPOCH |
---|
105 | + sizeof( double ) * 4 // RA0, DEC0, GLNG0, GLAT0 |
---|
106 | + sizeof( int ) * 2 // NCALB, SCNCD |
---|
107 | + sizeof( char ) * 120 // SCMOD |
---|
108 | + sizeof( double ) // URVEL |
---|
109 | + sizeof( char ) * 4 // VREF |
---|
110 | + sizeof( char ) * 4 // VDEF |
---|
111 | + sizeof( char ) * 8 // SWMOD |
---|
112 | + sizeof( double ) * 8 // FRQSW, DBEAM, MLTOF, CMTQ, CMTE, CMTSOM, CMTNODE, CMTI |
---|
113 | + sizeof( char ) * 24 // CMTTM |
---|
114 | + sizeof( double ) * 6 // SBDX, SBDY, SBDZ1, SBDZ2, DAZP, DELP |
---|
115 | + sizeof( int ) * 4 // CHBIND, NUMCH, CHMIN, CHMAX |
---|
116 | + sizeof( double ) * 3 // ALCTM, IPTIM, PA |
---|
117 | + sizeof( int ) * 3 // SCNLEN, SBIND, IBIT |
---|
118 | + sizeof( char ) * 8 ; // SITE |
---|
119 | |
---|
120 | // NRODataRecord |
---|
121 | record_ = new NRODataRecord() ; |
---|
122 | record_->LDATA = NULL ; |
---|
123 | } |
---|
124 | |
---|
125 | void NRODataset::convertEndian( int &value ) |
---|
126 | { |
---|
127 | char volatile *first = reinterpret_cast<char volatile *>( &value ) ; |
---|
128 | char volatile *last = first + sizeof( int ) ; |
---|
129 | std::reverse( first, last ) ; |
---|
130 | } |
---|
131 | |
---|
132 | void NRODataset::convertEndian( float &value ) |
---|
133 | { |
---|
134 | char volatile *first = reinterpret_cast<char volatile *>( &value ) ; |
---|
135 | char volatile *last = first + sizeof( float ) ; |
---|
136 | std::reverse( first, last ) ; |
---|
137 | } |
---|
138 | |
---|
139 | void NRODataset::convertEndian( double &value ) |
---|
140 | { |
---|
141 | char volatile *first = reinterpret_cast<char volatile *>( &value ) ; |
---|
142 | char volatile *last = first + sizeof( double ) ; |
---|
143 | std::reverse( first, last ) ; |
---|
144 | } |
---|
145 | |
---|
146 | int NRODataset::readHeader( char *v, int size ) |
---|
147 | { |
---|
148 | if ( (int)( fread( v, 1, size, fp_ ) ) != size ) { |
---|
149 | return -1 ; |
---|
150 | } |
---|
151 | return 0 ; |
---|
152 | } |
---|
153 | |
---|
154 | int NRODataset::readHeader( int &v, int b ) |
---|
155 | { |
---|
156 | if ( fread( &v, 1, sizeof(int), fp_ ) != sizeof(int) ) { |
---|
157 | return -1 ; |
---|
158 | } |
---|
159 | |
---|
160 | if ( b == 0 ) |
---|
161 | convertEndian( v ) ; |
---|
162 | |
---|
163 | return 0 ; |
---|
164 | } |
---|
165 | |
---|
166 | int NRODataset::readHeader( float &v, int b ) |
---|
167 | { |
---|
168 | if ( fread( &v, 1, sizeof(float), fp_ ) != sizeof(float) ) { |
---|
169 | return -1 ; |
---|
170 | } |
---|
171 | |
---|
172 | if ( b == 0 ) |
---|
173 | convertEndian( v ) ; |
---|
174 | |
---|
175 | return 0 ; |
---|
176 | } |
---|
177 | |
---|
178 | int NRODataset::readHeader( double &v, int b ) |
---|
179 | { |
---|
180 | if ( fread( &v, 1, sizeof(double), fp_ ) != sizeof(double) ) { |
---|
181 | return -1 ; |
---|
182 | } |
---|
183 | |
---|
184 | if ( b == 0 ) |
---|
185 | convertEndian( v ) ; |
---|
186 | |
---|
187 | return 0 ; |
---|
188 | } |
---|
189 | |
---|
190 | void NRODataset::convertEndian( NRODataRecord *r ) |
---|
191 | { |
---|
192 | convertEndian( r->ISCAN ) ; |
---|
193 | convertEndian( r->DSCX ) ; |
---|
194 | convertEndian( r->DSCY ) ; |
---|
195 | convertEndian( r->SCX ) ; |
---|
196 | convertEndian( r->SCY ) ; |
---|
197 | convertEndian( r->PAZ ) ; |
---|
198 | convertEndian( r->PEL ) ; |
---|
199 | convertEndian( r->RAZ ) ; |
---|
200 | convertEndian( r->REL ) ; |
---|
201 | convertEndian( r->XX ) ; |
---|
202 | convertEndian( r->YY ) ; |
---|
203 | convertEndian( r->TEMP ) ; |
---|
204 | convertEndian( r->PATM ) ; |
---|
205 | convertEndian( r->PH2O ) ; |
---|
206 | convertEndian( r->VWIND ) ; |
---|
207 | convertEndian( r->DWIND ) ; |
---|
208 | convertEndian( r->TAU ) ; |
---|
209 | convertEndian( r->TSYS ) ; |
---|
210 | convertEndian( r->BATM ) ; |
---|
211 | convertEndian( r->LINE ) ; |
---|
212 | for ( int i = 0 ; i < 4 ; i++ ) |
---|
213 | convertEndian( r->IDMY1[i] ) ; |
---|
214 | convertEndian( r->VRAD ) ; |
---|
215 | convertEndian( r->FREQ0 ) ; |
---|
216 | convertEndian( r->FQTRK ) ; |
---|
217 | convertEndian( r->FQIF1 ) ; |
---|
218 | convertEndian( r->ALCV ) ; |
---|
219 | for ( int i = 0 ; i < 2 ; i++ ) |
---|
220 | for ( int j = 0 ; j < 2 ; j++ ) |
---|
221 | convertEndian( r->OFFCD[i][j] ) ; |
---|
222 | convertEndian( r->IDMY0 ) ; |
---|
223 | convertEndian( r->IDMY2 ) ; |
---|
224 | convertEndian( r->DPFRQ ) ; |
---|
225 | convertEndian( r->SFCTR ) ; |
---|
226 | convertEndian( r->ADOFF ) ; |
---|
227 | } |
---|
228 | |
---|
229 | void NRODataset::releaseRecord() |
---|
230 | { |
---|
231 | if ( record_ ) { |
---|
232 | if ( record_->LDATA != NULL ) { |
---|
233 | delete record_->LDATA ; |
---|
234 | record_->LDATA = NULL ; |
---|
235 | } |
---|
236 | delete record_ ; |
---|
237 | record_ = NULL ; |
---|
238 | } |
---|
239 | dataid_ = -1 ; |
---|
240 | } |
---|
241 | |
---|
242 | // Get specified scan |
---|
243 | NRODataRecord *NRODataset::getRecord( int i ) |
---|
244 | { |
---|
245 | LogIO os( LogOrigin( "NRODataset", "getRecord()", WHERE ) ) ; |
---|
246 | |
---|
247 | // DEBUG |
---|
248 | //cout << "NRODataset::getRecord() Start " << i << endl ; |
---|
249 | // |
---|
250 | if ( i < 0 || i >= rowNum_ ) { |
---|
251 | //cerr << "NRODataset::getRecord() data index out of range." << endl ; |
---|
252 | os << LogIO::SEVERE << "data index " << i << " out of range. return NULL." << LogIO::POST ; |
---|
253 | return NULL ; |
---|
254 | } |
---|
255 | |
---|
256 | if ( i == dataid_ ) { |
---|
257 | return record_ ; |
---|
258 | } |
---|
259 | |
---|
260 | // DEBUG |
---|
261 | //cout << "NRODataset::getData() Get new dataset" << endl ; |
---|
262 | // |
---|
263 | // read data |
---|
264 | int status = fillRecord( i ) ; |
---|
265 | if ( status == 0 ) { |
---|
266 | dataid_ = i ; |
---|
267 | } |
---|
268 | else { |
---|
269 | //cerr << "NRODataset::getRecord() error while reading data " << i << endl ; |
---|
270 | os << LogIO::SEVERE << "error while reading data " << i << ". return NULL." << LogIO::POST ; |
---|
271 | dataid_ = -1 ; |
---|
272 | return NULL ; |
---|
273 | } |
---|
274 | |
---|
275 | return record_ ; |
---|
276 | } |
---|
277 | |
---|
278 | int NRODataset::fillRecord( int i ) |
---|
279 | { |
---|
280 | LogIO os( LogOrigin( "NRODataset", "fillRecord()", WHERE ) ) ; |
---|
281 | |
---|
282 | int status = 0 ; |
---|
283 | |
---|
284 | status = open() ; |
---|
285 | if ( status != 0 ) |
---|
286 | return status ; |
---|
287 | |
---|
288 | |
---|
289 | // fill NRODataset |
---|
290 | int offset = getDataSize() + scanLen_ * i ; |
---|
291 | // DEBUG |
---|
292 | //cout << "NRODataset::fillRecord() offset (header) = " << offset << endl ; |
---|
293 | //cout << "NRODataset::fillRecord() sizeof(NRODataRecord) = " << sizeof( NRODataRecord ) << " byte" << endl ; |
---|
294 | fseek( fp_, offset, SEEK_SET ) ; |
---|
295 | if ( (int)fread( record_, 1, SCAN_HEADER_SIZE, fp_ ) != SCAN_HEADER_SIZE ) { |
---|
296 | //cerr << "Failed to read scan header: " << i << endl ; |
---|
297 | os << LogIO::SEVERE << "Failed to read scan header for " << i << "th row." << LogIO::POST ; |
---|
298 | return -1 ; |
---|
299 | } |
---|
300 | if ( (int)fread( record_->LDATA, 1, dataLen_, fp_ ) != dataLen_ ) { |
---|
301 | //cerr << "Failed to read spectral data: " << i << endl ; |
---|
302 | os << LogIO::SEVERE << "Failed to read spectral data for " << i << "th row." << LogIO::POST ; |
---|
303 | return -1 ; |
---|
304 | } |
---|
305 | |
---|
306 | if ( same_ == 0 ) { |
---|
307 | convertEndian( record_ ) ; |
---|
308 | } |
---|
309 | |
---|
310 | // DWIND unit conversion (deg -> rad) |
---|
311 | record_->DWIND = record_->DWIND * M_PI / 180.0 ; |
---|
312 | |
---|
313 | return status ; |
---|
314 | } |
---|
315 | |
---|
316 | // open |
---|
317 | int NRODataset::open() |
---|
318 | { |
---|
319 | int status = 0 ; |
---|
320 | |
---|
321 | if ( fp_ == NULL ) { |
---|
322 | if ( (fp_ = fopen( filename_.c_str(), "rb" )) == NULL ) |
---|
323 | status = -1 ; |
---|
324 | else |
---|
325 | status = 0 ; |
---|
326 | } |
---|
327 | |
---|
328 | return status ; |
---|
329 | } |
---|
330 | |
---|
331 | // close |
---|
332 | void NRODataset::close() |
---|
333 | { |
---|
334 | // DEBUG |
---|
335 | //cout << "NRODataset::close() close file" << endl ; |
---|
336 | // |
---|
337 | if ( fp_ != NULL ) |
---|
338 | fclose( fp_ ) ; |
---|
339 | fp_ = NULL ; |
---|
340 | } |
---|
341 | |
---|
342 | // get spectrum |
---|
343 | vector< vector<double> > NRODataset::getSpectrum() |
---|
344 | { |
---|
345 | vector< vector<double> > spec; |
---|
346 | |
---|
347 | for ( int i = 0 ; i < rowNum_ ; i++ ) { |
---|
348 | spec.push_back( getSpectrum( i ) ) ; |
---|
349 | } |
---|
350 | |
---|
351 | return spec ; |
---|
352 | } |
---|
353 | |
---|
354 | vector<double> NRODataset::getSpectrum( int i ) |
---|
355 | { |
---|
356 | LogIO os( LogOrigin( "NRODataset", "getSpectrum", WHERE ) ) ; |
---|
357 | |
---|
358 | // DEBUG |
---|
359 | //cout << "NRODataset::getSpectrum() start process (" << i << ")" << endl ; |
---|
360 | // |
---|
361 | // size of spectrum is not chmax_ but dataset_->getNCH() after binding |
---|
362 | int nchan = NUMCH ; |
---|
363 | vector<double> spec( chmax_, 0.0 ) ; // spectrum "before" binding |
---|
364 | vector<double> bspec( nchan, 0.0 ) ; // spectrum "after" binding |
---|
365 | // DEBUG |
---|
366 | //cout << "NRODataset::getSpectrum() nchan = " << nchan << " chmax_ = " << chmax_ << endl ; |
---|
367 | // |
---|
368 | |
---|
369 | NRODataRecord *record = getRecord( i ) ; |
---|
370 | |
---|
371 | int bit = IBIT ; // fixed to 12 bit |
---|
372 | double scale = record->SFCTR ; |
---|
373 | // DEBUG |
---|
374 | //cout << "NRODataset::getSpectrum() scale = " << scale << endl ; |
---|
375 | // |
---|
376 | double offset = record->ADOFF ; |
---|
377 | // DEBUG |
---|
378 | //cout << "NRODataset::getSpectrum() offset = " << offset << endl ; |
---|
379 | // |
---|
380 | if ( ( scale == 0.0 ) && ( offset == 0.0 ) ) { |
---|
381 | //cerr << "NRODataset::getSpectrum() zero spectrum (" << i << ")" << endl ; |
---|
382 | return bspec ; |
---|
383 | } |
---|
384 | char *cdata = record->LDATA ; |
---|
385 | vector<double> mscale = MLTSCF ; |
---|
386 | double dscale = mscale[getIndex( i )] ; |
---|
387 | int cbind = CHBIND ; |
---|
388 | int chmin = CHMIN ; |
---|
389 | |
---|
390 | // char -> int |
---|
391 | vector<int> ispec( chmax_, 0 ) ; |
---|
392 | union SharedMemory { |
---|
393 | int ivalue ; |
---|
394 | unsigned char cbuf[4] ; |
---|
395 | } ; |
---|
396 | SharedMemory u ; |
---|
397 | int j = 0 ; |
---|
398 | char ctmp = 0x00 ; |
---|
399 | int sw = 0 ; |
---|
400 | for ( int i = 0 ; i < chmax_ ; i++ ) { |
---|
401 | if ( bit == 12 ) { // 12 bit qunatization |
---|
402 | u.ivalue = 0 ; |
---|
403 | |
---|
404 | if ( endian_ == BIG_ENDIAN ) { |
---|
405 | // big endian |
---|
406 | if ( sw == 0 ) { |
---|
407 | char c0 = (cdata[j] >> 4) & 0x0f ; |
---|
408 | char c1 = ((cdata[j] << 4) & 0xf0) | ((cdata[j+1] >> 4) & 0x0f) ; |
---|
409 | ctmp = cdata[j+1] & 0x0f ; |
---|
410 | u.cbuf[2] = c0 ; |
---|
411 | u.cbuf[3] = c1 ; |
---|
412 | j += 2 ; |
---|
413 | sw = 1 ; |
---|
414 | } |
---|
415 | else if ( sw == 1 ) { |
---|
416 | u.cbuf[2] = ctmp ; |
---|
417 | u.cbuf[3] = cdata[j] ; |
---|
418 | j++ ; |
---|
419 | sw = 0 ; |
---|
420 | } |
---|
421 | } |
---|
422 | else if ( endian_ == LITTLE_ENDIAN ) { |
---|
423 | // little endian |
---|
424 | if ( sw == 0 ) { |
---|
425 | char c0 = (cdata[j] >> 4) & 0x0f ; |
---|
426 | char c1 = ((cdata[j] << 4) & 0xf0) | ((cdata[j+1] >> 4) & 0x0f) ; |
---|
427 | ctmp = cdata[j+1] & 0x0f ; |
---|
428 | u.cbuf[1] = c0 ; |
---|
429 | u.cbuf[0] = c1 ; |
---|
430 | j += 2 ; |
---|
431 | sw = 1 ; |
---|
432 | } |
---|
433 | else if ( sw == 1 ) { |
---|
434 | u.cbuf[1] = ctmp ; |
---|
435 | u.cbuf[0] = cdata[j] ; |
---|
436 | j++ ; |
---|
437 | sw = 0 ; |
---|
438 | } |
---|
439 | } |
---|
440 | } |
---|
441 | |
---|
442 | ispec[i] = u.ivalue ; |
---|
443 | if ( ( ispec[i] < 0 ) || ( ispec[i] > 4096 ) ) { |
---|
444 | //cerr << "NRODataset::getSpectrum() ispec[" << i << "] is out of range" << endl ; |
---|
445 | os << LogIO::SEVERE << "ispec[" << i << "] is out of range" << LogIO::EXCEPTION ; |
---|
446 | return bspec ; |
---|
447 | } |
---|
448 | // DEBUG |
---|
449 | //cout << "NRODataset::getSpectrum() ispec[" << i << "] = " << ispec[i] << endl ; |
---|
450 | // |
---|
451 | } |
---|
452 | |
---|
453 | // int -> double |
---|
454 | for ( int i = 0 ; i < chmax_ ; i++ ) { |
---|
455 | spec[i] = (double)( ispec[i] * scale + offset ) * dscale ; |
---|
456 | // DEBUG |
---|
457 | //cout << "NRODataset::getSpectrum() spec[" << i << "] = " << spec[i] << endl ; |
---|
458 | // |
---|
459 | } |
---|
460 | |
---|
461 | // channel binding |
---|
462 | if ( cbind != 1 ) { |
---|
463 | int k = chmin ; |
---|
464 | double sum0 = 0 ; |
---|
465 | double sum1 = 0 ; |
---|
466 | for ( int i = 0 ; i < nchan ; i++ ) { |
---|
467 | for ( int j = k ; j < k + cbind ; j++ ) { |
---|
468 | sum0 += spec[k] ; |
---|
469 | sum1++ ; |
---|
470 | } |
---|
471 | bspec[i] = sum0 / sum1 ; |
---|
472 | k += cbind ; |
---|
473 | // DEBUG |
---|
474 | //cout << "NRODataset::getSpectrum() bspec[" << i << "] = " << bspec[i] << endl ; |
---|
475 | // |
---|
476 | } |
---|
477 | } |
---|
478 | else { |
---|
479 | for ( int i = 0 ; i < nchan ; i++ ) |
---|
480 | bspec[i] = spec[i] ; |
---|
481 | } |
---|
482 | |
---|
483 | // DEBUG |
---|
484 | //cout << "NRODataset::getSpectrum() end process" << endl ; |
---|
485 | // |
---|
486 | |
---|
487 | return bspec ; |
---|
488 | } |
---|
489 | |
---|
490 | int NRODataset::getIndex( int irow ) |
---|
491 | { |
---|
492 | // DEBUG |
---|
493 | //cout << "NRODataset::getIndex() start" << endl ; |
---|
494 | // |
---|
495 | NRODataRecord *record = getRecord( irow ) ; |
---|
496 | string str = record->ARRYT ; |
---|
497 | // DEBUG |
---|
498 | //cout << "NRODataset::getIndex() str = " << str << endl ; |
---|
499 | // |
---|
500 | string substr = str.substr( 1, 2 ) ; |
---|
501 | unsigned int index = (unsigned int)(atoi( substr.c_str() ) - 1) ; |
---|
502 | // DEBUG |
---|
503 | //cout << "NRODataset::getIndex() irow = " << irow << " index = " << index << endl ; |
---|
504 | // |
---|
505 | |
---|
506 | // DEBUG |
---|
507 | //cout << "NRODataset::getIndex() end" << endl ; |
---|
508 | // |
---|
509 | return index ; |
---|
510 | } |
---|
511 | |
---|
512 | int NRODataset::getPolarizationNum() |
---|
513 | { |
---|
514 | // DEBUG |
---|
515 | //cout << "NRODataset::getPolarizationNum() start process" << endl ; |
---|
516 | // |
---|
517 | int npol = 0 ; |
---|
518 | |
---|
519 | vector<string> type( 2 ) ; |
---|
520 | type[0] = "CIRC" ; |
---|
521 | type[1] = "LINR" ; |
---|
522 | vector<double> crot ; |
---|
523 | vector<double> lagl ; |
---|
524 | //vector<int> ntype( 2, 0 ) ; |
---|
525 | |
---|
526 | unsigned int imax = rowNum_ ; |
---|
527 | for ( unsigned int i = 0 ; i < imax ; i++ ) { |
---|
528 | int index = getIndex( i ) ; |
---|
529 | // DEBUG |
---|
530 | //cout <<"NRODataset::getPolarizationNum() index = " << index << endl ; |
---|
531 | // |
---|
532 | if ( POLTP[index] == type[0] ) { |
---|
533 | if( count( crot.begin(), crot.end(), POLDR[index] ) != 0 ) { |
---|
534 | crot.push_back( POLDR[index] ) ; |
---|
535 | npol++ ; |
---|
536 | } |
---|
537 | //ntype[0] = 1 ; |
---|
538 | } |
---|
539 | else if ( POLTP[index] == type[1] ) { |
---|
540 | if ( count( lagl.begin(), lagl.end(), POLAN[index] ) != 0 ) { |
---|
541 | lagl.push_back( POLAN[index] ) ; |
---|
542 | npol++ ; |
---|
543 | } |
---|
544 | //ntype[1] = 1 ; |
---|
545 | } |
---|
546 | } |
---|
547 | |
---|
548 | if ( npol == 0 ) |
---|
549 | npol = 1 ; |
---|
550 | |
---|
551 | // DEBUG |
---|
552 | //cout << "NRODataset::getPolarizationNum() end process" << endl ; |
---|
553 | // |
---|
554 | |
---|
555 | return npol ; |
---|
556 | } |
---|
557 | |
---|
558 | vector<double> NRODataset::getStartIntTime() |
---|
559 | { |
---|
560 | vector<double> times ; |
---|
561 | for ( int i = 0 ; i < rowNum_ ; i++ ) { |
---|
562 | times.push_back( getStartIntTime( i ) ) ; |
---|
563 | } |
---|
564 | return times ; |
---|
565 | } |
---|
566 | |
---|
567 | double NRODataset::getStartIntTime( int i ) |
---|
568 | { |
---|
569 | NRODataRecord *record = getRecord( i ) ; |
---|
570 | |
---|
571 | char *t = record->LAVST ; |
---|
572 | return getMJD( t ) ; |
---|
573 | } |
---|
574 | |
---|
575 | double NRODataset::getMJD( char *time ) |
---|
576 | { |
---|
577 | // TODO: should be checked which time zone the time depends on |
---|
578 | // 2008/11/14 Takeshi Nakazato |
---|
579 | string strStartTime( time ) ; |
---|
580 | string strYear = strStartTime.substr( 0, 4 ) ; |
---|
581 | string strMonth = strStartTime.substr( 4, 2 ) ; |
---|
582 | string strDay = strStartTime.substr( 6, 2 ) ; |
---|
583 | string strHour = strStartTime.substr( 8, 2 ) ; |
---|
584 | string strMinute = strStartTime.substr( 10, 2 ) ; |
---|
585 | string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ; |
---|
586 | unsigned int year = atoi( strYear.c_str() ) ; |
---|
587 | unsigned int month = atoi( strMonth.c_str() ) ; |
---|
588 | unsigned int day = atoi( strDay.c_str() ) ; |
---|
589 | unsigned int hour = atoi( strHour.c_str() ) ; |
---|
590 | unsigned int minute = atoi( strMinute.c_str() ) ; |
---|
591 | double second = atof( strSecond.c_str() ) ; |
---|
592 | Time t( year, month, day, hour, minute, second ) ; |
---|
593 | |
---|
594 | return t.modifiedJulianDay() ; |
---|
595 | } |
---|
596 | |
---|
597 | vector<bool> NRODataset::getIFs() |
---|
598 | { |
---|
599 | vector<bool> v ; |
---|
600 | vector< vector<double> > fref ; |
---|
601 | vector< vector<double> > chcal = CHCAL ; |
---|
602 | vector<double> f0cal = F0CAL ; |
---|
603 | vector<double> beres = BERES ; |
---|
604 | for ( int i = 0 ; i < rowNum_ ; i++ ) { |
---|
605 | vector<double> f( 4, 0 ) ; |
---|
606 | uInt index = getIndex( i ) ; |
---|
607 | f[0] = chcal[index][0] ; |
---|
608 | f[1] = f0cal[index] ; |
---|
609 | f[2] = beres[index] ; |
---|
610 | if ( f[0] != 0. ) { |
---|
611 | f[1] = f[1] - f[0] * f[2] ; |
---|
612 | } |
---|
613 | NRODataRecord *record = getRecord( i ) ; |
---|
614 | f[3] = record->FREQ0 ; |
---|
615 | if ( v.size() == 0 ) { |
---|
616 | v.push_back( True ) ; |
---|
617 | fref.push_back( f ) ; |
---|
618 | } |
---|
619 | else { |
---|
620 | bool b = true ; |
---|
621 | int fsize = fref.size() ; |
---|
622 | for ( int j = 0 ; j < fsize ; j++ ) { |
---|
623 | if ( fref[j][1] == f[1] && fref[j][2] == f[2] && fref[j][3] == f[3] ) { |
---|
624 | b = false ; |
---|
625 | } |
---|
626 | } |
---|
627 | if ( b ) { |
---|
628 | v.push_back( True ) ; |
---|
629 | fref.push_back( f ) ; |
---|
630 | } |
---|
631 | } |
---|
632 | } |
---|
633 | |
---|
634 | |
---|
635 | // DEBUG |
---|
636 | //cout << "NRODataset::getIFs() number of IF is " << v.size() << endl ; |
---|
637 | // |
---|
638 | |
---|
639 | return v ; |
---|
640 | } |
---|
641 | |
---|
642 | vector<double> NRODataset::getFrequencies( int i ) |
---|
643 | { |
---|
644 | // return value |
---|
645 | // v[0] reference channel |
---|
646 | // v[1] reference frequency |
---|
647 | // v[2] frequency increment |
---|
648 | vector<double> v( 3, 0.0 ) ; |
---|
649 | |
---|
650 | NRODataRecord *record = getRecord( i ) ; |
---|
651 | string arryt = string( record->ARRYT ) ; |
---|
652 | //string sbeamno = arryt.substr( 1, arryt.size()-1 ) ; |
---|
653 | //uInt ib = atoi( sbeamno.c_str() ) - 1 ; |
---|
654 | uInt ib = getArrayId( arryt ) ; |
---|
655 | |
---|
656 | int ia = -1 ; |
---|
657 | bool isAOS = false ; |
---|
658 | //cout << "NRODataset::getFrequencies() record->ARRYT=" << record->ARRYT << endl ; |
---|
659 | //cout << "NRODataset::getFrequencies() ib = " << ib << endl ; |
---|
660 | |
---|
661 | if ( strncmp( record->ARRYT, "X", 1 ) == 0 ) { |
---|
662 | // FX |
---|
663 | if ( strncmp( (record->ARRYT)+1, "1", 1 ) == 0 |
---|
664 | || strncmp( (record->ARRYT)+1, "3", 1 ) ) { |
---|
665 | // FX1, 3 |
---|
666 | ia = 2 ; |
---|
667 | } |
---|
668 | else { |
---|
669 | // FX2, 4 |
---|
670 | ia = 1 ; |
---|
671 | } |
---|
672 | } |
---|
673 | else if ( strncmp( record->ARRYT, "A", 1 ) == 0 ) |
---|
674 | ia = 2 ; // AC |
---|
675 | else if ( strncmp( record->ARRYT, "W", 1 ) == 0 ) { |
---|
676 | // AOS-W |
---|
677 | ia = 2 ; |
---|
678 | isAOS = true ; |
---|
679 | } |
---|
680 | else if ( strncmp( record->ARRYT, "U", 1 ) == 0 ) { |
---|
681 | // AOS-U |
---|
682 | ia = 2 ; |
---|
683 | isAOS = true ; |
---|
684 | } |
---|
685 | else if ( strncmp( record->ARRYT, "H", 1 ) == 0 ) { |
---|
686 | // AOS-H |
---|
687 | isAOS = true ; |
---|
688 | //cout << record->ARRYT << " " << strlen(record->ARRYT) << endl ; |
---|
689 | //cout << (record->ARRYT)+1 << endl ; |
---|
690 | if ( strncmp( (record->ARRYT)+2, " ", 1 ) == 0 ) { |
---|
691 | // H1-9 |
---|
692 | if ( strncmp( (record->ARRYT)+1, "9", 1 ) == 0 ) { |
---|
693 | // H9 |
---|
694 | ia = 2 ; |
---|
695 | } |
---|
696 | else { |
---|
697 | // H1-8 |
---|
698 | ia = 1 ; |
---|
699 | } |
---|
700 | } |
---|
701 | else { |
---|
702 | // H10-16 |
---|
703 | ia = 2 ; |
---|
704 | } |
---|
705 | } |
---|
706 | |
---|
707 | int iu ; |
---|
708 | if ( record->FQIF1 > 0 ) |
---|
709 | iu = 1 ; // USB |
---|
710 | else |
---|
711 | iu = 2 ; // LSB |
---|
712 | |
---|
713 | int ivdef = -1 ; |
---|
714 | //if ( strncmp( (dataset_->getVDEF()).c_str(), "RAD", 3 ) == 0 ) |
---|
715 | if ( (getVDEF()).compare( 0, 3, "RAD" ) == 0 ) |
---|
716 | ivdef = 0 ; |
---|
717 | //else if ( strncmp( dataset_->getVDEF(), "OPT", 3 ) == 0 ) |
---|
718 | else if ( (getVDEF()).compare( 0, 3, "OPT" ) == 0 ) |
---|
719 | ivdef = 1 ; |
---|
720 | // DEBUG |
---|
721 | //cout << "NRODataset::getFrequencies() ivdef = " << ivdef << endl ; |
---|
722 | // |
---|
723 | double vel = getURVEL() + record->VRAD ; |
---|
724 | double cvel = 2.99792458e8 ; // speed of light [m/s] |
---|
725 | double fq0 = record->FREQ0 ; |
---|
726 | //double fq0 = record->FQTRK ; |
---|
727 | |
---|
728 | int ncal = getNFCAL()[ib] ; |
---|
729 | vector<double> freqs( ncal ) ; |
---|
730 | double cw = 0.0 ; |
---|
731 | vector<double> fqcal = getFQCAL()[ib] ; |
---|
732 | vector<double> chcal = getCHCAL()[ib] ; |
---|
733 | |
---|
734 | for ( int ii = 0 ; ii < ncal ; ii++ ) { |
---|
735 | freqs[ii] = fqcal[ii] ; |
---|
736 | freqs[ii] -= getF0CAL()[ib] ; |
---|
737 | if ( ia == 1 ) { |
---|
738 | if ( iu == 1 ) { |
---|
739 | freqs[ii] = fq0 + freqs[ii] ; |
---|
740 | } |
---|
741 | else if ( iu == 2 ) { |
---|
742 | freqs[ii] = fq0 - freqs[ii] ; |
---|
743 | } |
---|
744 | } |
---|
745 | else if ( ia == 2 ) { |
---|
746 | if ( iu == 1 ) { |
---|
747 | freqs[ii] = fq0 - freqs[ii] ; |
---|
748 | } |
---|
749 | else if ( iu == 2 ) { |
---|
750 | freqs[ii] = fq0 + freqs[ii] ; |
---|
751 | } |
---|
752 | } |
---|
753 | // if ( ivdef == 0 ) { |
---|
754 | // double factor = 1.0 / ( 1.0 - vel / cvel ) ; |
---|
755 | // freqs[ii] = freqs[ii] * factor - record->FQTRK * ( factor - 1.0 ) ; |
---|
756 | // } |
---|
757 | // else if ( ivdef == 1 ) { |
---|
758 | // double factor = vel / cvel ; |
---|
759 | // freqs[ii] = freqs[ii] * ( 1.0 + factor ) - record->FQTRK * factor ; |
---|
760 | // } |
---|
761 | } |
---|
762 | |
---|
763 | if ( isAOS ) { |
---|
764 | // regridding |
---|
765 | while ( ncal < (int)chcal.size() ) { |
---|
766 | chcal.pop_back() ; |
---|
767 | } |
---|
768 | Vector<Double> xin( chcal ) ; |
---|
769 | Vector<Double> yin( freqs ) ; |
---|
770 | int nchan = getNUMCH() ; |
---|
771 | Vector<Double> xout( nchan ) ; |
---|
772 | indgen( xout ) ; |
---|
773 | Vector<Double> yout ; |
---|
774 | InterpolateArray1D<Double, Double>::interpolate( yout, xout, xin, yin, InterpolateArray1D<Double,Double>::cubic ) ; |
---|
775 | Double bw = abs( yout[nchan-1] - yout[0] ) ; |
---|
776 | bw += 0.5 * abs( yout[nchan-1] - yout[nchan-2] + yout[1] - yout[0] ) ; |
---|
777 | Double dz = bw / (Double) nchan ; |
---|
778 | if ( yout[0] > yout[1] ) |
---|
779 | dz = - dz ; |
---|
780 | v[0] = 0 ; |
---|
781 | v[1] = yout[0] ; |
---|
782 | v[2] = dz ; |
---|
783 | } |
---|
784 | else { |
---|
785 | cw = getBERES()[ib] ; |
---|
786 | |
---|
787 | if ( cw == 0.0 ) { |
---|
788 | cw = ( freqs[1] - freqs[0] ) |
---|
789 | / ( chcal[1] - chcal[0] ) ; |
---|
790 | // if ( cw < 0.0 ) |
---|
791 | // cw = - cw ; |
---|
792 | } |
---|
793 | v[0] = chcal[0] - 1 ; // 0-base |
---|
794 | v[1] = freqs[0] ; |
---|
795 | v[2] = cw ; |
---|
796 | } |
---|
797 | |
---|
798 | return v ; |
---|
799 | } |
---|
800 | |
---|
801 | uInt NRODataset::getArrayId( string type ) |
---|
802 | { |
---|
803 | string sbeamno = type.substr( 1, type.size()-1 ) ; |
---|
804 | uInt ib = atoi( sbeamno.c_str() ) - 1 ; |
---|
805 | return ib ; |
---|
806 | } |
---|
807 | |
---|
808 | void NRODataset::show() |
---|
809 | { |
---|
810 | LogIO os( LogOrigin( "NRODataset", "show()", WHERE ) ) ; |
---|
811 | |
---|
812 | os << LogIO::NORMAL << "------------------------------------------------------------" << endl ; |
---|
813 | os << LogIO::NORMAL << "Number of scan = " << scanNum_ << endl ; |
---|
814 | os << LogIO::NORMAL << "Number of data record = " << rowNum_ << endl ; |
---|
815 | os << LogIO::NORMAL << "Length of data record = " << scanLen_ << " bytes" << endl ; |
---|
816 | os << LogIO::NORMAL << "Allocated memory for spectral data = " << dataLen_ << " bytes" << endl ; |
---|
817 | os << LogIO::NORMAL << "Max number of channel = " << chmax_ << endl ; |
---|
818 | os << LogIO::NORMAL << "------------------------------------------------------------" << endl ; |
---|
819 | os.post() ; |
---|
820 | |
---|
821 | } |
---|