[daip] [!11956]: AIPS - AIPS FITLD
Rusen Lu
nraohelp at nrao.edu
Mon Apr 23 09:30:47 EDT 2018
Rusen Lu updated #11956
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AIPS FITLD
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Ticket ID: 11956
URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/11956
Name: Rusen Lu
Email address: rslu at haystack.mit.edu
Creator: User
Department: AIPS Data Reduction
Staff (Owner): Eric Greisen
Type: Issue
Status: Open
Priority: Default
SLA: NRAO E2E
Template group: Default
Created: 20 April 2018 03:00 PM
Updated: 23 April 2018 01:30 PM
Reply due: 24 April 2018 03:28 PM (1d 1h 57m)
Resolution due: 14 January 2021 12:00 AM (996d 10h 29m)
Dear Eric,I tried to read in a few files (6) to different output files (doconcat false) using the 31DEC18 version. The reason that I selected 6 files is because I saw the first error came after loading the first 5 ones. The FITLD input is the following (same for each file, except DATAIN and OUTNAME):AIPS 1: FITLD: Task to store an image or UV data from a FITS tapeAIPS 1: Adverbs Values CommentsAIPS 1: ----------------------------------------------------------------AIPS 1: INTAPE 1 Input tape drive # (0 => 1)AIPS 1: NFILES 0 # of files to advance on tapeAIPS 1: DATAIN 'PWD:loader.fits6' Disk file nameAIPS 1: OUTNAME 'test6' File name (name)AIPS 1: OUTCLASS ' ' File name (class)AIPS 1: OUTSEQ 0 File name (seq. #)AIPS 1: 0 => highest unique numberAIPS 1: => matching (on VLBA)AIPS 1: -1 => FITS tape valueAIPS 1: OUTDISK 1 Disk drive # (0 => any)AIPS 1: OPTYPE ' ' Type of data to load,AIPS 1: ' ' => all typesAIPS 1: 'UV' => UV dataAIPS 1: 'IM' => imagesAIPS 1: NCOUNT 0 Number of files to load.AIPS 1: DOTABLE 1 True (1.0) means load tablesAIPS 1: for images.AIPS 1: DOUVCOMP -1 >0 => compressed data (FITS)AIPS 1: DOCONCAT -1 >0 -> if VLBA correlator dataAIPS 1: append data to existingAIPS 1: files, or if no appropriateAIPS 1: files exist create a new fileAIPS 1: and append all data to thatAIPS 1: file.AIPS 1: DOKEEP 0 > 0 -> keep fully flaggedAIPS 1: data recordsAIPS 1: NPIECE 0 Maximum uv table piece toAIPS 1: load (ignored for tape unlessAIPS 1: NCOUNT = 1)AIPS 1: ERROR -1 >= 2 -> do not use AIPSAIPS 1: history in the FITS fileAIPS 1: *****************************AIPS 1: Following adverbs are usefulAIPS 1: only when reading VLBA IDIAIPS 1: distribution tapes.AIPS 1: *****************************AIPS 1: CLINT 0.01667 CL entry interval (min)AIPS 1: 0 => 1 minute.AIPS 1: SOURCES *all ' ' Source list to accept.AIPS 1: QUAL -1 Source qualifier -1=>allAIPS 1: TIMERANG *all 0 Timerange selectedAIPS 1: ** press RETURN for more, enter Q or next line to quit print **#AIPS 1: BCHAN 1 Lowest spectral channelAIPS 1: number to select in each IF.AIPS 1: 0=>1AIPS 1: ECHAN 0 Highest spectral channelAIPS 1: number to select in each IF.AIPS 1: 0=>highestAIPS 1: BIF 0 Lowest IF number 0=>1AIPS 1: EIF 0 Highest IF number 0=>allAIPS 1: DIGICOR 1 Controls the application ofAIPS 1: the VLBA and DIFX correlatorAIPS 1: digital correction.AIPS 1: 0,1,3 => perform correctionsAIPS 1: 2,4 => perform cross-powerAIPS 1: corrections, do total-powerAIPS 1: only if zero padding used.AIPS 1: -1 => do NOT performAIPS 1: corrections.AIPS 1: 3,4 => do even if not VLBAAIPS 1: SEE HELP for more detailsAIPS 1: REFDATE ' ' Reference date. 'yyyymmdd'AIPS 1: before or = the obs dateAIPS 1: ' ' => the obs dateAIPS 1: SELBAND -1 Bandwidth to select (kHz)AIPS 1: SELFREQ -1 Frequency to select (MHz).AIPS 1: See HELP.AIPS 1: FQTOL -1 Frequency tolerance assignedAIPS 1: to SELFREQ, FITLD will selectAIPS 1: data with freq. of SELFREQAIPS 1: +/- FQTOL.AIPS 1: The unit of FQTOL is kHz.AIPS 1: <=0 => 10 kHzAIPS 1: WTTHRESH 0 Flagging threshold based onAIPS 1: weights. See HELP.AIPS 1: 0 => no flaggingAIPS 1: 1 => will flag ALL dataAIPS 1: OPCODE ' ' Specify if wish to keep VTAIPS 1: (VLBA Tape Statistics) tableAIPS 1: and other tables. See HELP.AIPS 1: ' ' => do not save tablesAIPS 1: ANTNAME *all ' ' List antenna station names inAIPS 1: desired order (IDI data only)I do not see a problem for each individual data file, but noticed that the number of antennas and their order are not the same, as you can see from the attached 6 PRTAB results on AN tables (file1.an.txt to file6.an.txt).I also loaded the 6 files at once with doconcat true using both 31DEC18 and 31DEC16:The input parameters are:AIPS 1: FITLD: Task to store an image or UV data from a FITS tapeAIPS 1: Adverbs Values CommentsAIPS 1: ----------------------------------------------------------------AIPS 1: INTAPE 1 Input tape drive # (0 => 1)AIPS 1: NFILES 0 # of files to advance on tapeAIPS 1: DATAIN 'PWD:loader.fits' Disk file nameAIPS 1: OUTNAME 'test1_6' File name (name)AIPS 1: OUTCLASS ' ' File name (class)AIPS 1: OUTSEQ 0 File name (seq. #)AIPS 1: 0 => highest unique numberAIPS 1: => matching (on VLBA)AIPS 1: -1 => FITS tape valueAIPS 1: OUTDISK 1 Disk drive # (0 => any)AIPS 1: OPTYPE ' ' Type of data to load,AIPS 1: ' ' => all typesAIPS 1: 'UV' => UV dataAIPS 1: 'IM' => imagesAIPS 1: NCOUNT 6 Number of files to load.AIPS 1: DOTABLE 1 True (1.0) means load tablesAIPS 1: for images.AIPS 1: DOUVCOMP -1 >0 => compressed data (FITS)AIPS 1: DOCONCAT 1 >0 -> if VLBA correlator dataAIPS 1: append data to existingAIPS 1: files, or if no appropriateAIPS 1: files exist create a new fileAIPS 1: and append all data to thatAIPS 1: file.AIPS 1: DOKEEP 0 > 0 -> keep fully flaggedAIPS 1: data recordsAIPS 1: NPIECE 0 Maximum uv table piece toAIPS 1: load (ignored for tape unlessAIPS 1: NCOUNT = 1)AIPS 1: ERROR -1 >= 2 -> do not use AIPSAIPS 1: history in the FITS fileAIPS 1: *****************************AIPS 1: Following adverbs are usefulAIPS 1: only when reading VLBA IDIAIPS 1: distribution tapes.AIPS 1: *****************************AIPS 1: CLINT 0.01667 CL entry interval (min)AIPS 1: 0 => 1 minute.AIPS 1: SOURCES *all ' ' Source list to accept.AIPS 1: QUAL -1 Source qualifier -1=>allAIPS 1: TIMERANG *all 0 Timerange selectedAIPS 1: BCHAN 1 Lowest spectral channelAIPS 1: number to select in each IF.AIPS 1: 0=>1AIPS 1: ECHAN 0 Highest spectral channelAIPS 1: number to select in each IF.AIPS 1: 0=>highestAIPS 1: BIF 0 Lowest IF number 0=>1AIPS 1: EIF 0 Highest IF number 0=>allAIPS 1: DIGICOR 1 Controls the application ofAIPS 1: the VLBA and DIFX correlatorAIPS 1: digital correction.AIPS 1: 0,1,3 => perform correctionsAIPS 1: 2,4 => perform cross-powerAIPS 1: corrections, do total-powerAIPS 1: only if zero padding used.AIPS 1: -1 => do NOT performAIPS 1: corrections.AIPS 1: 3,4 => do even if not VLBAAIPS 1: SEE HELP for more detailsAIPS 1: REFDATE ' ' Reference date. 'yyyymmdd'AIPS 1: before or = the obs dateAIPS 1: ' ' => the obs dateAIPS 1: SELBAND -1 Bandwidth to select (kHz)AIPS 1: SELFREQ -1 Frequency to select (MHz).AIPS 1: See HELP.AIPS 1: FQTOL -1 Frequency tolerance assignedAIPS 1: to SELFREQ, FITLD will selectAIPS 1: data with freq. of SELFREQAIPS 1: +/- FQTOL.AIPS 1: The unit of FQTOL is kHz.AIPS 1: <=0 => 10 kHzAIPS 1: WTTHRESH 0 Flagging threshold based onAIPS 1: weights. See HELP.AIPS 1: 0 => no flaggingAIPS 1: 1 => will flag ALL dataAIPS 1: OPCODE ' ' Specify if wish to keep VTAIPS 1: (VLBA Tape Statistics) tableAIPS 1: and other tables. See HELP.AIPS 1: ' ' => do not save tablesAIPS 1: ANTNAME *all ' ' List antenna station names inAIPS 1: desired order (IDI data only)I attached here the message for loading the data (files1to6.31DEC18.log and files1to6.31DEC16.log) and the resulting AN tables(files1to6.31DEC18.an.txt and files1to6.31DEC16.an.txt). As you can see, the version 31DEC16 can avoid the problem of messing thing up that I reported last week. Please take a look.Thank you,Rusen Lu
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