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[McIDAS #PGJ-855031]: Displaying GOES-7 IR image

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  • Subject: [McIDAS #PGJ-855031]: Displaying GOES-7 IR image
  • Date: Mon, 10 Nov 2014 12:10:24 -0700
Hi Kwan,

Sorry I was not able to get to this before now...

re:
> Onto a different problem, I have obtained some GOES-7 AREA files (1991)
> from NOAA CLASS.  I was able to define the data set and IMGLIST appeared to
> read these multi-band images correctly.  But I could not seem to get
> IMGDISP to display the data correctly.  I only get some random horizontal
> lines across.  I am not sure if these old AREA files need to be read
> differently.  So I am sending you one of these files for you to examine.

I extracted the AREA file you attached; created an ADDE dataset for it
and have no problems listing or displaying the data from it:

DSSERVE LIST GOES7

Group/Descriptor         Type  Format & Range     RT Comment
------------------------ ----- ------------------ -- --------------------
GOES7/IR                 IMAGE AREA
                               
DIRFILE=/home/mcidas/workdata/goes07.1991.301.1801.A
                                    REA_IR "GOES-7 IR from CLASS via Kwan
DSSERVE: done

IMGLIST GOES7/IR FORM=ALL
Image file directory listing for:GOES7/IR
 Pos Satellite/         Date       Time      Center      Res (km)   Image_Size
     sensor                                 Lat  Lon    Lat   Lon
 --- -------------  ------------  --------  ---- ----  ----- ----- ------------
   1  GOES-7 IR     28 OCT 91301  18:01:00    23   99
   Band: 7    12.7 um Water vapor detection             7.81  3.04   637 x 3822
   Band: 8    11.2 um Night cloud detection, sfc temp   7.81  3.04   637 x 3822
   Band: 10   6.7 um Water vapor detection              7.81  3.04   637 x 3822
     proj:    0 created: 0000000      0  memo: AAA transcribed archive data
     type:AAA      cal type:RAW
     offsets:  data=    1280 navigation=  256 calibration=  768 auxiliary=    0
     doc length: 512   cal length: 116   lev length:  12 PREFIX= 644
     valcod:         -1 zcor:  1 avg-smp: N
     pdl: 87 87  3  0  0  0 8A 8A  0  0  0  0  0  0  0  0
           0  0  0  0  0  0 10  0  0 73  6 33 96  1 B0  7
     start yyddd: 1991301  start time:180103  start scan:    0
     lcor: 1681  ecor:     1  bytes per pixel: 2  ss: 33
     Resolution Factors (base=1):   Line=    8.0   Element=    4.0
IMGLIST: done

I have attached screen captures for each of the 3 bands in the image
created from:

IMGDISP GOES7/IR BAND=7 EU=IMAGE MAG=1 -2 LAT=20 100 REFRESH='EG;MAP 
FILE=OUTVHPOL'
FRMSAVE 1 goes7_band7_19911028_1801.gif
 
IMGDISP GOES7/IR BAND=8 EU=IMAGE MAG=1 -2 LAT=20 100 REFRESH='EG;MAP 
FILE=OUTVHPOL'
FRMSAVE 1 goes7_band8_19911028_1801.gif
 
IMGDISP GOES7/IR BAND=10 EU=H2O MAG=1 -2 LAT=20 100 REFRESH='EG;MAP 
FILE=OUTVHPOL'
FRMSAVE 1 goes7_band10_19911028_1801.gif

re:
> Thanks again,
No worries.

Cheers,

Tom
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Ticket Details
===================
Ticket ID: PGJ-855031
Department: Support McIDAS
Priority: Normal
Status: Closed

Attachment: goes7_band7_19911028_1801.gif
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Attachment: goes7_band8_19911028_1801.gif
Description: GIF image

Attachment: goes7_band10_19911028_1801.gif
Description: GIF image