Line data Source code
1 : //# CalTable2.cc: Implementation of CalTable2.h
2 : //# Copyright (C) 1996,1997,1998,1999,2000,2001,2003
3 : //# Associated Universities, Inc. Washington DC, USA.
4 : //#
5 : //# This library is free software; you can redistribute it and/or modify it
6 : //# under the terms of the GNU Library General Public License as published by
7 : //# the Free Software Foundation; either version 2 of the License, or (at your
8 : //# option) any later version.
9 : //#
10 : //# This library is distributed in the hope that it will be useful, but WITHOUT
11 : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 : //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
13 : //# License for more details.
14 : //#
15 : //# You should have received a copy of the GNU Library General Public License
16 : //# along with this library; if not, write to the Free Software Foundation,
17 : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
18 : //#
19 : //# Correspondence concerning AIPS++ should be addressed as follows:
20 : //# Internet email: casa-feedback@nrao.edu.
21 : //# Postal address: AIPS++ Project Office
22 : //# National Radio Astronomy Observatory
23 : //# 520 Edgemont Road
24 : //# Charlottesville, VA 22903-2475 USA
25 : //#
26 : //# $Id$
27 : //----------------------------------------------------------------------------
28 :
29 : #include <synthesis/CalTables/CalTable2.h>
30 : #include <casacore/tables/Tables/SetupNewTab.h>
31 : #include <casacore/tables/Tables/TableRow.h>
32 : #include <casacore/tables/TaQL/TableParse.h>
33 : #include <casacore/tables/Tables/ScalarColumn.h>
34 : #include <casacore/casa/Arrays.h>
35 : #include <casacore/casa/Arrays/ArrayMath.h>
36 : #include <msvis/MSVis/MSCalEnums.h>
37 :
38 : using namespace casacore;
39 : namespace casa { //# NAMESPACE CASA - BEGIN
40 :
41 : //----------------------------------------------------------------------------
42 :
43 0 : CalTable2::CalTable2() : itsMainTable(0), itsDescTable(0), itsHistoryTable(0)
44 : {
45 : // Default null constructor for calibration table; do nothing for now
46 : // Output to private data:
47 : // itsMainTable Table* Ptr to cal_main Table object
48 : // itsDescTable Table* Ptr to cal_desc Table object
49 : // itsHistoryTable Table* Ptr to cal_history Table object
50 : //
51 0 : };
52 :
53 : //----------------------------------------------------------------------------
54 :
55 0 : CalTable2::~CalTable2()
56 : {
57 : // Default desctructor
58 : // Output to private data:
59 : // itsMainTable Table* Ptr to cal_main Table object
60 : // itsDescTable Table* Ptr to cal_desc Table object
61 : // itsHistoryTable Table* Ptr to cal_history Table object
62 : //
63 0 : if (itsMainTable) {
64 0 : delete (itsMainTable);
65 : };
66 0 : if (itsDescTable) {
67 0 : delete (itsDescTable);
68 : };
69 0 : if (itsHistoryTable) {
70 0 : delete (itsHistoryTable);
71 : };
72 0 : };
73 :
74 : //----------------------------------------------------------------------------
75 :
76 0 : CalTable2::CalTable2 (const String& tableName, CalTableDesc2& ctableDesc,
77 0 : Table::TableOption access) :
78 0 : itsMainTable(0), itsDescTable(0), itsHistoryTable(0)
79 : {
80 : // Construct from a cal table name, descriptor and access option.
81 : // Used for creating new tables.
82 : // Input:
83 : // tableName const String& Cal table name
84 : // ctableDesc const CalTableDesc& Cal table descriptor
85 : // access Table::TableOption Access mode
86 : // Output to private data:
87 : // itsMainTable Table* Ptr to cal_main Table object
88 : // itsDescTable Table* Ptr to cal_desc Table object
89 : // itsHistoryTable Table* Ptr to cal_history Table object
90 : //
91 0 : if (access == Table::New || access == Table::NewNoReplace ||
92 : access == Table::Scratch)
93 0 : createCalTable (tableName, ctableDesc, access);
94 : else
95 0 : openCalTable (tableName, access);
96 :
97 : // createCalTable (tableName, ctableDesc, access);
98 0 : parType_ = ctableDesc.parType();
99 0 : };
100 :
101 : //----------------------------------------------------------------------------
102 :
103 0 : CalTable2::CalTable2 (const String& tableName, Table::TableOption access) :
104 0 : itsMainTable(0), itsDescTable(0), itsHistoryTable(0)
105 : {
106 : // Construct from a cal table name and access option. Used for
107 : // accessing existing tables.
108 : // Input:
109 : // tableName const String& Cal table name
110 : // access Table::TableOption Access option
111 : // Output to private data:
112 : // itsMainTable Table* Ptr to cal_main Table object
113 : // itsDescTable Table* Ptr to cal_desc Table object
114 : // itsHistoryTable Table* Ptr to cal_history Table object
115 : //
116 0 : openCalTable (tableName, access);
117 0 : };
118 :
119 : //----------------------------------------------------------------------------
120 :
121 0 : CalTable2::CalTable2 (const Table& table)
122 : {
123 : // Construct from an existing table object
124 : // Input:
125 : // table const Table& Input table
126 : // Output to private data:
127 : // itsMainTable Table* Ptr to cal_main Table object
128 : // itsDescTable Table* Ptr to cal_desc Table object
129 : // itsHistoryTable Table* Ptr to cal_history Table object
130 : //
131 0 : itsMainTable = new Table (table);
132 0 : itsDescTable = new Table
133 0 : (itsMainTable->keywordSet().asTable (MSC::fieldName (MSC::CAL_DESC)));
134 0 : itsHistoryTable = new Table
135 0 : (itsMainTable->keywordSet().asTable (MSC::fieldName (MSC::CAL_HISTORY)));
136 0 : };
137 :
138 : //----------------------------------------------------------------------------
139 :
140 0 : CalTable2::CalTable2 (const CalTable2& other)
141 : {
142 : // Copy constructor
143 : // Input:
144 : // other const CalTable2& Existing CalTable2 object
145 : // Output to private data:
146 : // itsMainTable Table* Ptr to cal_main Table object
147 : // itsDescTable Table* Ptr to cal_desc Table object
148 : // itsHistoryTable Table* Ptr to cal_history Table object
149 : //
150 0 : itsMainTable = new Table (*(other.itsMainTable));
151 0 : itsDescTable = new Table
152 0 : (itsMainTable->keywordSet().asTable (MSC::fieldName (MSC::CAL_DESC)));
153 0 : itsHistoryTable = new Table
154 0 : (itsMainTable->keywordSet().asTable (MSC::fieldName (MSC::CAL_HISTORY)));
155 0 : };
156 :
157 : //----------------------------------------------------------------------------
158 :
159 0 : CalTable2& CalTable2::operator= (const CalTable2& other)
160 : {
161 : // Assignment operator
162 : // Input:
163 : // other const CalTable& RHS CalTable object
164 : // Output to private data:
165 : // itsMainTable Table* Ptr to cal_main Table object
166 : // itsDescTable Table* Ptr to cal_desc Table object
167 : // itsHistoryTable Table* Ptr to cal_history Table object
168 : //
169 0 : Bool identity = (this == &other);
170 0 : if (itsMainTable && !identity) {
171 0 : *itsMainTable = *(other.itsMainTable);
172 : };
173 0 : if (itsDescTable && !identity) {
174 0 : *itsDescTable = *(other.itsDescTable);
175 : };
176 0 : if (itsHistoryTable && !identity) {
177 0 : *itsHistoryTable = *(other.itsHistoryTable);
178 : };
179 0 : return *this;
180 : };
181 :
182 : //----------------------------------------------------------------------------
183 :
184 0 : CalTable2 CalTable2::sort (const Block <String>& columnNames, Sort::Order order,
185 : Sort::Option option)
186 : {
187 : // Sort the calibration table on multiple columns
188 : // Input:
189 : // columnNames const Block <String>& Sort columns
190 : // order Sort::Order Sort order
191 : // option Sort::Option Sort option
192 : // Output:
193 : // sort CalTable2 Sorted reference cal table
194 : // Input from private data:
195 : // itsMainTable Table* Underlying table object
196 : //
197 : // Sort the cal_main table directly
198 0 : Table result = itsMainTable->sort (columnNames, order, option);
199 0 : return CalTable2 (result);
200 0 : };
201 :
202 : //----------------------------------------------------------------------------
203 :
204 0 : void CalTable2::sort2 (const Block <String>& columnNames, Sort::Order order,
205 : Sort::Option option)
206 : {
207 : // Sort the calibration table on multiple columns
208 : // Input:
209 : // columnNames const Block <String>& Sort columns
210 : // order Sort::Order Sort order
211 : // option Sort::Option Sort option
212 : // Output:
213 : // sort CalTable2 Sorted reference cal table
214 : // Input from private data:
215 : // itsMainTable Table* Underlying table object
216 : //
217 : // Sort the cal_main table directly (IN PLACE!)
218 0 : Table *sorted = new Table(itsMainTable->sort (columnNames, order, option));
219 0 : delete itsMainTable;
220 0 : itsMainTable=sorted;
221 :
222 0 : return;
223 : };
224 :
225 : //----------------------------------------------------------------------------
226 :
227 0 : CalTable2 CalTable2::select (const String& calSelect)
228 : {
229 : // Apply selection to the calibration table
230 : // Input:
231 : // calSelect const String& TAQL selection string
232 : // Output:
233 : // select CalTable2 Selected reference cal table
234 : // Input from private data:
235 : // itsMainTable Table* Underlying table object
236 : //
237 : // Apply selection to the cal_main table directly
238 0 : Int len = calSelect.length();
239 0 : Int nspace = calSelect.freq (' ');
240 0 : if (calSelect.empty() || nspace==len) {
241 0 : return *this;
242 : } else {
243 0 : String parseString = "select from $1 where " + calSelect;
244 0 : Table result = tableCommand(parseString, *itsMainTable).table();
245 0 : return CalTable2 (result);
246 0 : };
247 : };
248 :
249 : //----------------------------------------------------------------------------
250 :
251 0 : void CalTable2::select2 (const String& calSelect)
252 : {
253 : // Apply selection to the calibration table
254 : // Input:
255 : // calSelect const String& TAQL selection string
256 : // Output:
257 : // select CalTable2 Selected reference cal table
258 : // Input from private data:
259 : // itsMainTable Table* Underlying table object
260 : //
261 : // Apply selection to the cal_main table directly
262 0 : Int len = calSelect.length();
263 0 : Int nspace = calSelect.freq (' ');
264 0 : if (!calSelect.empty() && nspace!=len) {
265 0 : String parseString = "select from $1 where " + calSelect;
266 0 : Table *selected = new Table(tableCommand(parseString, *itsMainTable).table());
267 0 : delete itsMainTable;
268 0 : itsMainTable=selected;
269 0 : };
270 0 : return;
271 : };
272 :
273 : //----------------------------------------------------------------------------
274 :
275 0 : Int CalTable2::nRowMain() const
276 : {
277 : // Return the number of rows in cal_main
278 : // Output:
279 : // nRowMain Int No of rows in cal_main
280 : //
281 0 : return itsMainTable->nrow();
282 : };
283 :
284 : //----------------------------------------------------------------------------
285 :
286 0 : Int CalTable2::nRowDesc() const
287 : {
288 : // Return the number of rows in cal_desc
289 : // Output:
290 : // nRowDesc Int No of rows in cal_desc
291 : //
292 0 : return itsDescTable->nrow();
293 : };
294 :
295 : //----------------------------------------------------------------------------
296 :
297 0 : Int CalTable2::nRowHistory() const
298 : {
299 : // Return the number of rows in cal_history
300 : // Output:
301 : // nRowHistory Int No of rows in cal_history
302 : //
303 0 : return itsHistoryTable->nrow();
304 : };
305 :
306 : //----------------------------------------------------------------------------
307 :
308 0 : Record CalTable2::getRowMain (const Int& jrow)
309 : {
310 : // Get a row from cal_main
311 : // Input:
312 : // jrow const Int& Row number
313 : // Output:
314 : // getRowMain Record Row record
315 : //
316 0 : ROTableRow trow (*itsMainTable);
317 0 : trow.get (jrow);
318 0 : return trow.record();
319 0 : };
320 :
321 : //----------------------------------------------------------------------------
322 :
323 0 : Record CalTable2::getRowDesc (const Int& jrow)
324 : {
325 : // Get a row from cal_desc
326 : // Input:
327 : // jrow const Int& Row number
328 : // Output:
329 : // getRowDesc Record Row record
330 : //
331 0 : ROTableRow trow (*itsDescTable);
332 0 : trow.get (jrow);
333 0 : return trow.record();
334 0 : };
335 :
336 : //----------------------------------------------------------------------------
337 :
338 0 : Record CalTable2::getRowHistory (const Int& jrow)
339 : {
340 : // Get a row from cal_history
341 : // Input:
342 : // jrow const Int& Row number
343 : // Output:
344 : // getRowHistory Record Row record
345 : //
346 0 : ROTableRow trow (*itsHistoryTable);
347 0 : trow.get (jrow);
348 0 : return trow.record();
349 0 : };
350 :
351 : //----------------------------------------------------------------------------
352 :
353 0 : void CalTable2::putRowMain (const Int& jrow, CalMainRecord& tableRec)
354 : {
355 : // Put a row to cal_main
356 : // Input:
357 : // jrow const Int& Row number
358 : // tableRec CalMainRecord& Table record
359 : //
360 : // Add rows as required
361 0 : Int nMaxRow = itsMainTable->nrow();
362 0 : Int nAdd = jrow - nMaxRow + 1;
363 0 : if (nAdd > 0) {
364 0 : itsMainTable->addRow (nAdd);
365 : };
366 :
367 : // Write the record
368 0 : TableRow trow (*itsMainTable);
369 0 : TableRecord trec = tableRec.record();
370 0 : trow.putMatchingFields (jrow, trec);
371 0 : };
372 :
373 : //----------------------------------------------------------------------------
374 :
375 0 : void CalTable2::putRowDesc (const Int& jrow, CalDescRecord& tableRec)
376 : {
377 : // Put a row to cal_desc
378 : // Input:
379 : // jrow const Int& Row number
380 : // tableRec CalDescRecord& Table record
381 : //
382 : // Add rows as required
383 0 : Int nMaxRow = itsDescTable->nrow();
384 0 : Int nAdd = jrow - nMaxRow + 1;
385 0 : if (nAdd > 0) {
386 0 : itsDescTable->addRow (nAdd);
387 : };
388 :
389 : // Write the record
390 0 : TableRow trow (*itsDescTable);
391 0 : TableRecord trec = tableRec.record();
392 0 : trow.putMatchingFields (jrow, trec);
393 0 : };
394 :
395 : //----------------------------------------------------------------------------
396 :
397 0 : void CalTable2::putRowHistory (const Int& jrow, CalHistoryRecord& tableRec)
398 : {
399 : // Put a row to cal_history
400 : // Input:
401 : // jrow const Int& Row number
402 : // tableRec CalHistoryRecord& Table record
403 : //
404 : // Add rows as required
405 0 : Int nMaxRow = itsHistoryTable->nrow();
406 0 : Int nAdd = jrow - nMaxRow + 1;
407 0 : if (nAdd > 0) {
408 0 : itsHistoryTable->addRow (nAdd);
409 : };
410 0 : TableRow trow (*itsHistoryTable);
411 0 : TableRecord trec = tableRec.record();
412 0 : trow.putMatchingFields (jrow, trec);
413 0 : };
414 :
415 : //----------------------------------------------------------------------------
416 :
417 0 : Int CalTable2::maxAntenna()
418 : {
419 : // Return the maximum antenna no. found in the calibration table
420 : // Output:
421 : // maxAntenna Int Max. antenna no. found
422 : //
423 0 : ScalarColumn <Int> antCol (*itsMainTable, MSC::fieldName (MSC::ANTENNA1));
424 0 : Vector <Int> antVal;
425 0 : antCol.getColumn (antVal);
426 : uInt i;
427 0 : Int maxAnt = 0;
428 0 : for (i = 0; i < antVal.nelements(); i++) {
429 0 : maxAnt = max (antVal(i), maxAnt);
430 : };
431 :
432 0 : return maxAnt;
433 0 : };
434 :
435 : //----------------------------------------------------------------------------
436 :
437 0 : Int CalTable2::numberTimeSlots (const Double& fracError)
438 : {
439 : // Return the no. of unique time slots found in the calibration table
440 : // Input:
441 : // fracError const Double& Fractional error allowed in comparison
442 : // Output:
443 : // numberTimeSlots Int No. of unique time stamps found
444 : //
445 0 : ScalarColumn <Double> timeCol (*itsMainTable, MSC::fieldName (MSC::TIME));
446 0 : ScalarColumn <Double> intervalCol (*itsMainTable,
447 0 : MSC::fieldName (MSC::INTERVAL));
448 0 : Vector <Double> timeVal;
449 0 : Vector <Double> intervalVal;
450 0 : timeCol.getColumn (timeVal);
451 0 : intervalCol.getColumn (intervalVal);
452 :
453 : // Index of matches
454 0 : Vector <Int> match;
455 0 : Int n = timeVal.nelements();
456 0 : match.resize (n);
457 0 : match = 0;
458 : Int i, j;
459 : Bool found;
460 :
461 : // Loop through all time stamps
462 0 : for (i = 0; i < (n-1); i++) {
463 0 : found = false;
464 0 : for (j = i+1; j < n; j++) {
465 0 : if (abs (timeVal(i) - timeVal(j)) < fracError * intervalVal(i) &&
466 0 : abs (intervalVal(i) - intervalVal(j)) < fracError * intervalVal(i)) {
467 0 : found = true;
468 : };
469 : };
470 0 : if (!found) {
471 0 : match(i) = 1;
472 : };
473 : };
474 0 : if (n > 0) {
475 0 : match(n-1) = 1;
476 : };
477 :
478 : // Sum the number of matches
479 0 : Int sum = 0;
480 0 : for (i = 0; i < n; i++) {
481 0 : sum = sum + match(i);
482 : };
483 :
484 0 : return sum;
485 0 : };
486 :
487 : //----------------------------------------------------------------------------
488 :
489 0 : void CalTable2::createCalTable (const String& tableName,
490 : CalTableDesc2& ctableDesc,
491 : Table::TableOption access)
492 : {
493 : // Create a new cal table
494 : // Input:
495 : // tableName const String& Cal table name
496 : // ctableDesc const CalTableDesc& Cal table descriptor
497 : // access Table::TableOption Access mode
498 : // Output to private data:
499 : // itsMainTable Table* Ptr to cal_main Table object
500 : // itsDescTable Table* Ptr to cal_desc Table object
501 : // itsHistoryTable Table* Ptr to cal_history Table object
502 : //
503 : // Construct the table descriptor, including the sub-table structure
504 : // for cal_desc and cal_history. Add subtables to CAL_DESC and
505 : // CAL_HISTORY keywords.
506 0 : SetupNewTable calMainSetup (tableName, ctableDesc.calMainDesc(), access);
507 0 : itsMainTable = new Table (calMainSetup);
508 0 : SetupNewTable calDescSetup (tableName + "/CAL_DESC",
509 0 : ctableDesc.calDescDesc(), access);
510 0 : itsDescTable = new Table (calDescSetup);
511 0 : itsMainTable->rwKeywordSet().defineTable (MSC::fieldName (MSC::CAL_DESC),
512 0 : *itsDescTable);
513 0 : SetupNewTable calHistorySetup (tableName + "/CAL_HISTORY",
514 0 : ctableDesc.calHistoryDesc(), access);
515 0 : itsHistoryTable = new Table (calHistorySetup);
516 0 : itsMainTable->rwKeywordSet().defineTable (MSC::fieldName (MSC::CAL_HISTORY),
517 0 : *itsHistoryTable);
518 : // Set table type and sub-type
519 0 : String reqdType = TableInfo::type (TableInfo::ME_CALIBRATION);
520 0 : itsMainTable->tableInfo().setType (reqdType);
521 0 : itsMainTable->tableInfo().setSubType (itsMainTable->tableDesc().getType());
522 0 : };
523 :
524 : //----------------------------------------------------------------------------
525 :
526 0 : void CalTable2::openCalTable (const String& tableName,
527 : Table::TableOption access)
528 : {
529 : // Open an existing cal table
530 : // Input:
531 : // tableName const String& Cal table name
532 : // access Table::TableOption Access option
533 : // Output to private data:
534 : // itsMainTable Table* Ptr to cal_main Table object
535 : // itsDescTable Table* Ptr to cal_desc Table object
536 : // itsHistoryTable Table* Ptr to cal_history Table object
537 : //
538 0 : itsMainTable = new Table (tableName, access);
539 0 : itsDescTable = new Table (itsMainTable->keywordSet().asTable
540 0 : (MSC::fieldName(MSC::CAL_DESC)));
541 0 : itsHistoryTable = new Table (itsMainTable->keywordSet().asTable
542 0 : (MSC::fieldName(MSC::CAL_HISTORY)));
543 0 : };
544 :
545 : //----------------------------------------------------------------------------
546 :
547 : } //# NAMESPACE CASA - END
548 :
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