[daip] tvflg error

[Eric Greisen]

Matthew Klimek writes:
 > TVFLG3: Press button D for on-line help
 > Enter clip (lo/hi) limits in range  4.3622E-03  7.8123E+01  Q quits
 > 0 20
 > TVFLG3: Begin clipping outside range  0.0000E+00  2.0000E+01
 > TVFLG3: Deleted     530 pixels in master grid
 > TVFLG3: Press buttons A, B, or C to choose an operation
 > TVFLG3: Press button D for on-line help
 > TVFLG3: Pattern flag command is:
 > TVFLG3:   1  CLIP     Type AMPLTUDE clip range  0.00000E+00  2.00000E+01
 > TVFLG3:               Based on Stokes RR, IF  1, Chan   1, Avg  60 sec
 > TVFLG3:                        Window     1     1   464   549
 > TVFLG3:         Flag: Stokes 1000,  IF = All,  Channel =    1
 > TVFLG3:         Flag all sources meeting these criteria
 > Enter range of channel numbers from   1 to   15 (2 I's)
 > 1 15
 > Enter Stokes flag pattern applied to Stokes RR (4 chars left justified)
 > rr
 > Enter Stokes flag pattern applied to Stokes LL (4 chars left justified)
 > ll
 > TVFLG3: Begin work on Stokes LL channel    1 IF   1
 > TVFLG3: First compute the smoothed image of desired type
 > TVFLG3: TVFOAD: NO VALID PIXELS FOUND - RESET THE WINDOW
 > TVFLG3: Begin work on Stokes RR channel    2 IF   1
 > TVFLG3: ZOPEN: LUN = 27 ALREADY OPENED IN FTAB
 > TVFLG3: ZCREAT: FILE DA03:FCD2YU001.0T2; ALREADY EXISTS
 > TVFLG3: ZOPEN: LUN = 27 ALREADY OPENED IN FTAB
 > TVFLG3: TABINI: ERROR  1 OPENING FILE FC NO.   1
 > TVFLG3: ERROR    2 OPENING Flag-Command TABLE VERSION   1

The error recovery for NO VALID PIXELS did not remember to close the
open FC table - causing the later failure.  I have repaired the error
recovery.  I wonder why ZCREAT got called...

Eric Greisen