[daip] forwarded message from Walter Alef
Eric Greisen
egreisen at nrao.edu
Tue Jun 20 10:36:46 EDT 2000
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Organization: Max-Planck-Institute for Radioastronomy
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From: Walter Alef <alef at mpifr-bonn.mpg.de>
Sender: alef at mpifr-bonn.mpg.de
To: Eric Greisen <egreisen at cv.nrao.edu>
Subject: VPLOT got segv
Date: Tue, 20 Jun 2000 14:06:54 +0200
Hi Eric,
Running VPLOT with selecting the calibrator source it crashed with
PC010 > VPLOT1: Task VPLOT (release of 31DEC99) begins
PC010 > VPLOT1: Averaging from channel 1- 16
PC010 > VPLOT1: Averaging from IF 1- 4
PC010 > VPLOT1: ZABORS: signal 11 received
PC010 > VPLOT1: ABORT!
I was puzzled as it did not crash when I did NOT select a source. Finally I
realized that I had XINC set to 10. When I set it to 1 it worked. I guess that
with XINC=10 all the data was skipped and the fact that there was nothing left
to be plotted crashed VPLOT.
- --
Regards,
Walter
walef at mpifr-bonn.mpg.de =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
AIPS 1: VPLOT Plots data from a u,v data base, model from a CC file
AIPS 1: Adverbs Values Comments
AIPS 1: ----------------------------------------------------------------
AIPS 1: USERID 0 Data base owner number
AIPS 1: INNAME 'BA7B_3C390_C' Input UV file name (name)
AIPS 1: INCLASS 'FITLD ' Input UV file name (class)
AIPS 1: INSEQ 1 Input UV file name (seq. #)
AIPS 1: INDISK 2 Input UV file disk unit #
AIPS 1: IN2NAME ' ' Input CC file name (name)
AIPS 1: IN2CLASS ' ' Input CC file name (class)
AIPS 1: IN2SEQ 0 Input CC file name (seq. #)
AIPS 1: IN2DISK 0 Input CC file disk unit #
AIPS 1: IN2VERS 2 Input CC file version #
AIPS 1: NCOMP *all 0 # comps to use for model.
AIPS 1: 1 value per field
AIPS 1: FLUX 0 Lowest CC component used.
AIPS 1: NMAPS 0 # clean maps(fields).
AIPS 1: 0 => no model
AIPS 1: >0 => model at samples
AIPS 1: <0 => model smoothly
AIPS 1: Data selection:
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 1: SOURCES '1803+784 ' Source list
AIPS 1: *rest ' '
AIPS 1: QUAL -1 Source qualifier -1=>all
AIPS 1: CALCODE ' ' Calibrator code ' '=>all
AIPS 1: SELBAND -1 Bandwidth to select (kHz)
AIPS 1: SELFREQ -1 Frequency to select (MHz)
AIPS 1: FREQID 1 Freq. ID to select.
AIPS 1: BCHAN 1 Lowest channel number 0=>1
AIPS 1: ECHAN 16 Highest channel number
AIPS 1: 0=>BCHAN
AIPS 1: If BCHAN and ECHAN are
AIPS 1: different, then data will be
AIPS 1: averaged across specified
AIPS 1: channel range before plotting
AIPS 1: BIF 1 Lowest IF number 0=>1
AIPS 1: EIF 4 Highest IF number 0=>BIF
AIPS 1: If BIF and EIF are different,
AIPS 1: then data will be averaged
AIPS 1: across specified IF range
AIPS 1: before plotting.
AIPS 1: XINC 10 Plot every XINC'th visibility
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 1: 0 => 1
AIPS 1: UVRANGE 0 0 Range of projected spacings
AIPS 1: (thousands of wavelengths)
AIPS 1: TIMERANG *all 0 Time: start day,hr,min,sec
AIPS 1: stop day,hr,min,sec.
AIPS 1: STOKES 'LL ' Stokes' parameters
AIPS 1: ANTENNAS *all 0 Antennas to be plotted
AIPS 1: BASELINE *all 0 Baselines with ANTENNAS
AIPS 1: See explanation.
AIPS 1: DOCALIB 1 If >0 calibrate data
AIPS 1: = 2 calibrate weights
AIPS 1: GAINUSE 7 CL (or SN) table to apply
AIPS 1: DOPOL -1 If >0 correct polarization.
AIPS 1: BLVER -1 BL table to apply.
AIPS 1: FLAGVER 1 Flag table version
AIPS 1: See explanation.
AIPS 1: DOBAND -1 If >0 apply bandpass cal.
AIPS 1: Method used depends on value
AIPS 1: of DOBAND (see HELP file).
AIPS 1: BPVER -1 Bandpass table version
AIPS 1: SMOOTH *all 0 Smoothing function. See
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 1: SUBARRAY 0 Subarray number 0=>1.
AIPS 1: -1 => all, but beware!
AIPS 1: DOEBAR 0 If > 0, plot error bars,
AIPS 1: else don't
AIPS 1: SOLINT 1 Time over which to average
AIPS 1: data before plotting (mins)
AIPS 1: <=0 => no averaging
AIPS 1: OPTYPE ' ' Select CROSS or AUTO
AIPS 1: 'auto' => AUTO
AIPS 1: .not. 'auto' => CROSS;
AIPS 1: APARM *all 0 Control parameters
AIPS 1: 1 : > 0 => edit bad
AIPS 1: amplitude points.
AIPS 1: BPARM(2)=0, or 1
AIPS 1: = 0 => do not edit
AIPS 1: bad amplitude points.
AIPS 1: Number of averaged points
AIPS 1: for each baseline has to
AIPS 1: be more than 10.
AIPS 1: 2 : number of sigmas outside
AIPS 1: of which bad points are
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 1: clipped (See HELP); 0=>3.
AIPS 1: 3 : > 0 plot min/max range
AIPS 1: with average
AIPS 1: = 0 do not plot min/max
AIPS 1: lines
AIPS 1: 4 : = 0 min/max over selected
AIPS 1: IFs after averaging
AIPS 1: selected CHs
AIPS 1: > 0 min/max over all
AIPS 1: selected CH/IFs
AIPS 1: 5 : > 0 scalar average
AIPS 1: = 0 vector average
AIPS 1: 6 : used with APARM(1)>0
AIPS 1: >0 flag the bad points
AIPS 1: for all channels
AIPS 1: =0 flag the bad points
AIPS 1: only for the selected
AIPS 1: channels
AIPS 1: BPARM *all 0 Control parameters
AIPS 1: 1 : X-axis type code
AIPS 1: 2 : Y-axis type code;
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 1: if <0 => AMP & PHASE
AIPS 1: plotted together
AIPS 1: 3 : >0.0 => fixed scale
AIPS 1: <0.0 => fixed range
AIPS 1: 0.0 => sep. scales
AIPS 1: 4 : Xmin (fixed scale)
AIPS 1: 5 : Xmax (fixed scale)
AIPS 1: 6 : Ymin (fixed scale)
AIPS 1: 7 : Ymax (fixed scale)
AIPS 1: 8 : PHmin (fixed scale)
AIPS 1: 9 : PHmax (fixed scale)
AIPS 1: 10: > 0 -> plot models for
AIPS 1: baselines with no data
AIPS 1: ALIAS *all 0 Antenna alias selection
AIPS 1: If ALIAS(1) is non-zero, any
AIPS 1: antennas matching ALIAS(2-30)
AIPS 1: are treated as if they were
AIPS 1: actually ALIAS(1)
AIPS 1: NPLOTS 8 Max number of plots per page.
AIPS 1: 0 => 3; If bparm(2)<0 =>
AIPS 1: Max number of pairs of plots.
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
AIPS 1: DOARRAY 0 Array type : 0 = VLBI
AIPS 1: 1 = VLA and ATCA;
AIPS 1: 2 = MERLIN; 3 = WSRT
AIPS 1: POLPLOT ' ' Option to display various
AIPS 1: combinations of polzns:
AIPS 1: 'RL/RR', 'RL/LL',
AIPS 1: 'LR/RR', 'LR/LL', 'RR/LL'
AIPS 1: 'LL/RR'; other = don't use
AIPS 1: this option.
AIPS 1: SYMBOL 0 Symbol to use when plotting.
AIPS 1: 0 => '+' signs as VPLOT
AIPS 1: always did; 1 => '|' (i.e.
AIPS 1: vertical lines).
AIPS 1: LTYPE 3 Type of labeling: 1 border,
AIPS 1: 2 no ticks, 3 - 6 standard,
AIPS 1: 7 - 10 only tick labels
AIPS 1: <0 -> no date/time
AIPS 1: DOTV 1 > 0 Do plot on the TV, else
AIPS 1: make a plot file
AIPS 1: GRCHAN 0 Graphics channel 0 => 1.
>
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