[daip] SNIFS
Vivek Dhawan
vdhawan at nrao.edu
Fri Jul 13 15:33:55 EDT 2012
1. plotting SY table, opty 'PGN' shows the values correctly I think.
but opty 'PSUM' shows exactly the same values as PGN, instead of
numbers ~15 counts (not ~15 millicounts).
Opty 'pdif' also is correct.
2. plotting SN table amplitudes (from calib) using SNIFS, shows different
numbers (vaguely proportional to the correct values), compared to plotting
the SAME values SN #2 amplitudes vs. time, in SNPLT.
I also listed the same SN table with PRTAB, it agrees with SNPLT but
I did not check in great detail. I expect these two are well tested
and have no problem.
TASAV of offending data:
/home/aakash2/AIPS/DA01/FITS/SNIFS.TASAV.FITS
inputs to SNIFS and SNPLT below.
-----------------
AIPS 2: Found in Version=TST
AIPS 2: SNIFS: Task to plot contents of SN, TY, PC or CL file versus IF
AIPS 2: Adverbs Values Comments
AIPS 2: ----------------------------------------------------------------
AIPS 2: INNAME 'k3b106.91' UV data (name).
AIPS 2: INCLASS 'UVEVLA' UV data (class).
AIPS 2: INSEQ 1 UV data (seq. #). 0 => high
AIPS 2: INDISK 1 Disk unit #. 0 => any
AIPS 2: INEXT 'SY' Input 'SN','TY','PC', 'CL'
AIPS 2: INVERS 2 Input table file version no.
AIPS 2: SOURCES *all ' ' Source list
AIPS 2: QUAL -1 Source qualifier -1=>all
AIPS 2: TIMERANG 0 22 Time range to plot
AIPS 2: 30 0 0 22
AIPS 2: 35 0
AIPS 2: STOKES 'RR' Stokes type to plot: R, L,
AIPS 2: RR, LL, RRLL, DIFF, RATO
AIPS 2: SELBAND -1 Bandwidth to plot (kHz)
AIPS 2: SELFREQ -1 Frequency to plot (MHz)
AIPS 2: FREQID -1 Freq. ID to plot, -1=>all
AIPS 2: SUBARRAY 0 Limit to subarray; 0 -> 1
AIPS 2: -1 -> all
AIPS 2: BIF 1 First IF to plot, 0=>1.
AIPS 2: EIF 16 Last IF to plot 0 -> highest
AIPS 2: ANTENNAS 1 4 Antennas to plot 0=>all
AIPS 2: 5 6 *rest 0
AIPS 2: PIXRANGE 0 0 Range to plot: 0 => self
AIPS 2: scale each antenna separately
AIPS 2: NPLOTS 4 Number of plots per page
AIPS 2: OPTYPE 'PGN' Data to be plotted:
AIPS 2: 'AMP ','PHAS','REAL','IMAG',
AIPS 2: 'DELA','RATE','SNR ','DOPL',
AIPS 2: 'TSYS','TANT','ATM ','PDIF',
AIPS 2: 'PSUM','PGN ','PON ','POFF',
AIPS 2: 'PSYS' else 'AMP '
AIPS 2: OPCODE ' ' Type of plot:
AIPS 2: 'ALAN' => all antennas in
AIPS 2: each SOLINT plot
AIPS 2: 'ALTI' => all times in each
AIPS 2: SOLINT plot individually
AIPS 2: ' ' => average over SOLINT
AIPS 2: plot antennas separately
AIPS 2: DO3COL 1 > 0 use 3-color symbols for
AIPS 2: ALIF, ALST, ALSI OPCODEs and
AIPS 2: SUM OPTYPE.
AIPS 2: BCOUNT 1 If INEXT ='PC' and OPTYPE =
AIPS 2: 'AMP' or 'PHAS, BCOUNT
AIPS 2: specifies the phase cal tone
AIPS 2: number to be plotted. 0->1.
AIPS 2: SOLINT 3000 Time interval in seconds
AIPS 2: 0 = 1.0 (IMPORTANT)
AIPS 2: SYMBOL 4 Plot symbol number: 1 - 24
AIPS 2: FACTOR -0.5 Scale plot symbols by FACTOR
AIPS 2: <0 => connect points too
AIPS 2: DOBLANK 1 > 0, show blanked values with
AIPS 2: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 2: symbol type DOBLANK
AIPS 2: CUTOFF 0 Table weights <= CUTOFF will
AIPS 2: not be plotted, flagged data
AIPS 2: are not plotted.
AIPS 2: LTYPE 4 Type of labeling: 1 border,
AIPS 2: 2 no ticks, 3 - 6 standard,
AIPS 2: 7 - 10 only tick labels
AIPS 2: <0 -> no date/time
AIPS 2: DOTV 1 > 0 Do plot on the TV, else
AIPS 2: make a plot file
AIPS 2: GRCHAN 1 Graphics channel
>
--------------------
plotting SN table amplitudes (from calib) using SNIFS, shows different
numbers (vaguely proportional to the correct values), compared to plotting
the SAME values SN #2 amplitudes vs. time, in SNPLT.
I also listed the same SN table with PRTAB, it agrees with SNPLT but
I did not check in great detail. I expect these two are well tested
and have no problem.
AIPS 2: Found in Version=TST
AIPS 2: SNIFS: Task to plot contents of SN, TY, PC or CL file versus IF
AIPS 2: Adverbs Values Comments
AIPS 2: ----------------------------------------------------------------
AIPS 2: INNAME 'k3b106.91' UV data (name).
AIPS 2: INCLASS 'UVEVLA' UV data (class).
AIPS 2: INSEQ 1 UV data (seq. #). 0 => high
AIPS 2: INDISK 1 Disk unit #. 0 => any
AIPS 2: INEXT 'SN' Input 'SN','TY','PC', 'CL'
AIPS 2: INVERS 2 Input table file version no.
AIPS 2: SOURCES *all ' ' Source list
AIPS 2: QUAL -1 Source qualifier -1=>all
AIPS 2: TIMERANG *all 0 Time range to plot
AIPS 2: STOKES ' ' Stokes type to plot: R, L,
AIPS 2: RR, LL, RRLL, DIFF, RATO
AIPS 2: SELBAND -1 Bandwidth to plot (kHz)
AIPS 2: SELFREQ -1 Frequency to plot (MHz)
AIPS 2: FREQID -1 Freq. ID to plot, -1=>all
AIPS 2: SUBARRAY 0 Limit to subarray; 0 -> 1
AIPS 2: -1 -> all
AIPS 2: BIF 1 First IF to plot, 0=>1.
AIPS 2: EIF 16 Last IF to plot 0 -> highest
AIPS 2: ANTENNAS 1 4 Antennas to plot 0=>all
AIPS 2: 5 6 *rest 0
AIPS 2: PIXRANGE 0 0 Range to plot: 0 => self
AIPS 2: scale each antenna separately
AIPS 2: NPLOTS 4 Number of plots per page
AIPS 2: OPTYPE 'AMP' Data to be plotted:
AIPS 2: 'AMP ','PHAS','REAL','IMAG',
AIPS 2: 'DELA','RATE','SNR ','DOPL',
AIPS 2: 'TSYS','TANT','ATM ','PDIF',
AIPS 2: 'PSUM','PGN ','PON ','POFF',
AIPS 2: 'PSYS' else 'AMP '
AIPS 2: OPCODE 'ALSI' Type of plot:
AIPS 2: 'ALAN' => all antennas in
AIPS 2: each SOLINT plot
AIPS 2: 'ALTI' => all times in each
AIPS 2: SOLINT plot individually
AIPS 2: ' ' => average over SOLINT
AIPS 2: plot antennas separately
AIPS 2: DO3COL 1 > 0 use 3-color symbols for
AIPS 2: ALIF, ALST, ALSI OPCODEs and
AIPS 2: SUM OPTYPE.
AIPS 2: BCOUNT 1 If INEXT ='PC' and OPTYPE =
AIPS 2: 'AMP' or 'PHAS, BCOUNT
AIPS 2: specifies the phase cal tone
AIPS 2: number to be plotted. 0->1.
AIPS 2: SOLINT 3000 Time interval in seconds
AIPS 2: 0 = 1.0 (IMPORTANT)
AIPS 2: SYMBOL 4 Plot symbol number: 1 - 24
AIPS 2: FACTOR -0.5 Scale plot symbols by FACTOR
AIPS 2: <0 => connect points too
AIPS 2: DOBLANK 1 > 0, show blanked values with
AIPS 2: symbol type DOBLANK
AIPS 2: CUTOFF 0 Table weights <= CUTOFF will
AIPS 2: not be plotted, flagged data
AIPS 2: are not plotted.
AIPS 2: LTYPE 4 Type of labeling: 1 border,
AIPS 2: 2 no ticks, 3 - 6 standard,
AIPS 2: 7 - 10 only tick labels
AIPS 2: <0 -> no date/time
AIPS 2: DOTV 1 > 0 Do plot on the TV, else
AIPS 2: make a plot file
AIPS 2: GRCHAN 1 Graphics channel
>
SNPLT:
>inp
AIPS 2: Found in Version=TST
AIPS 2: SNPLT: Task to plot selected contents of SN, TY, PC or CL file.
AIPS 2: Adverbs Values Comments
AIPS 2: ----------------------------------------------------------------
AIPS 2: INNAME 'k3b106.91' UV data (name).
AIPS 2: INCLASS 'UVEVLA' UV data (class).
AIPS 2: INSEQ 1 UV data (seq. #). 0 => high
AIPS 2: INDISK 1 Disk unit #. 0 => any
AIPS 2: INEXT 'SN' Input 'SN','TY','PC', 'CL'
AIPS 2: INVERS 2 Input table file version no.
AIPS 2: SOURCES *all ' ' Source list
AIPS 2: QUAL -1 Source qualifier -1=>all
AIPS 2: TIMERANG *all 0 Time range to plot
AIPS 2: STOKES 'RR' Stokes type to plot: R, L,
AIPS 2: RR, LL, RRLL, DIFF, RATO
AIPS 2: SELBAND -1 Bandwidth to plot (kHz)
AIPS 2: SELFREQ -1 Frequency to plot (MHz)
AIPS 2: FREQID -1 Freq. ID to plot, -1=>all
AIPS 2: SUBARRAY 0 Limit to subarray; 0 -> 1
AIPS 2: -1 -> all
AIPS 2: BIF 24 First IF to plot, 0=>1.
AIPS 2: EIF 24 Last IF to plot 0 -> highest
AIPS 2: ANTENNAS 1 4 Antennas to plot 0=>all
AIPS 2: 5 6 *rest 0
AIPS 2: PIXRANGE 0 20 Range to plot: 0 => self
AIPS 2: scale each antenna separately
AIPS 2: NPLOTS 4 Number of plots per page
AIPS 2: XINC 0 Plot every XINC'th point
AIPS 2: OPTYPE 'AMP' Data to be plotted:
AIPS 2: 'PHAS','AMP ','DELA','MDEL',
AIPS 2: 'RATE','TSYS','TANT','ATM ',
AIPS 2: 'GEO ','DOPL','SNR ','SUM ',
AIPS 2: 'CCAL','DDLY','REAL','IMAG',
AIPS 2: 'IFR ' 'PDIF','PSUM','PGN ',
AIPS 2: 'PON ','POFF','PSYS',
AIPS 2: ' '=phase
AIPS 2: OPCODE 'ALSI' Type of plot:
AIPS 2: 'IFDF' => diff BIF and EIF
AIPS 2: 'IFRA' => ratio BIF and EIF
AIPS 2: 'ALIF' => combine all IFs
AIPS 2: 'ALST' => combine all Stokes
AIPS 2: 'ALSI' => all IFs & Stokes
AIPS 2: DO3COL 1 > 0 use 3-color symbols for
AIPS 2: ALIF, ALST, ALSI OPCODEs and
AIPS 2: SUM OPTYPE.
AIPS 2: BCOUNT 1 If INEXT ='PC' and OPTYPE =
AIPS 2: 'AMP' or 'PHAS, BCOUNT
AIPS 2: specifies the phase cal tone
AIPS 2: number to be plotted. 0->1.
AIPS 2: XAXIS 1 Variable data is to be
AIPS 2: plotted against, 0=>time.
AIPS 2: SYMBOL 4 Plot symbol number: 1 - 24
AIPS 2: FACTOR -0.2 Scale plot symbols by FACTOR
AIPS 2: <0 => connect points too
AIPS 2: DOBLANK 1 > 0, show blanked values with
AIPS 2: symbol type DOBLANK
AIPS 2: CUTOFF 0 Table weights <= CUTOFF will
AIPS 2: not be plotted, flagged data
AIPS 2: are not plotted.
AIPS 2: DOSCAN 0 = 1 -> plot full boundaries
AIPS 2: = 2 -> plot ticks at scans
AIPS 2: LTYPE 4 Type of labeling: 1 border,
AIPS 2: 2 no ticks, 3 - 6 standard,
AIPS 2: 7 - 10 only tick labels
AIPS 2: <0 -> no date/time
AIPS 2: DOTV 1 > 0 Do plot on the TV, else
AIPS 2: make a plot file
AIPS 2: GRCHAN 2 Graphics channel
>
>
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