Using StaMPS with ERS-1 and ERS-2 SLC scenes in Envisat format

[Kyle S.]

Hello all,

I have 38 ERS-1/2 scenes from the European Space Agency, and when I ordered them from ESA using Eoli-sa,  I used the following conditions:

processing:                       SLC
Quality of service:             Normal
Format:                            Envisat

According to my advisor, and others (forum posters, etc.) I should not have to use Roi_PAC since the scenes are already SLCs. However, StaMPS is not reading the scenes in correctly. I have been able to get them as far as running the "link_slcs data_path", which created an SLC folder with "image.slc" files, but when I attempt to choose my master scene "step_read_whole_19970304" I get errors. I have gone in an changed the "M_In_Method" to A*.......N1 in the "master_read_files_envisat" and "readfiles_Envisat", but "step_read_whole_19970304" is not working. I have checked to make sure the files are unzipped, and indeed they are. I am using Doris version 4.04, which according to Delft, should allow me to use ERS scenes in Envisat format (ex. SAR_....................E1/E2). How might I go about getting this to work? Thank you all for your help, I look forward to hearing suggestions/solutions to this problem.

Kyle

[Matúš Bakoň]

Hi Kyle, 

are you sure that command "step_read_whole_19970304" is correct? Try to go to SLC/19970304/ folder and than type "step_read_whole_Envisat" into command line, maybe "step_read_whole_Ers" will work as well.

Best regards,

Matus

www.insar.sk

Dňa utorok, 5. februára 2013, Kyle S. napísal(-a):

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[Kyle S.]

Hi Matus,

Sorry for spamming you with emails. I followed your suggestion, and StaMPS tried to run the step, however, it failed out with the message:

nawk: (FILENAME=- FNR=1) fatal: division by zero attempted
total cpu:        0 min   0 sec
/n [orbit.cc] orbvector_type: 30 vs fixed: 31
ERROR   : [orbitbk.cc[241]]: degree of polynomial < 0
Caught error of EXCEPTION class!
It is: input error
total cpu:     0    min 0   sec

 --- WARNING SUMMARY ---
There were 16 messages:
 1: ERS in Envisat format: (under development)
 2: wavelength is smaller than 1 centimeter?
 3: found_t_range1==false
 4: found_t_azi1==false
 5: found_prf==false
 6: found_rsr==false
 7: [...]
@(#)Doris software, $Revision: 4.01 $, $Author: TUDelft $
cpxfiddle: ERROR: inputfile: master.slcnot found.

  PROGRAM: cpxfiddle (version v2.5 14-Oct-2008)

  SYNOPSIS:
    cpxfiddle -w width [-f informat] [-q output] [-o outformat]
    [-e exp] [-s scale] [-l line] [-L line] [-p pixel] [-P pixel]
    [-S x/y] [-M x/y] [-m mirror] [-c file] [-r rmin/rmax] [-B swap]
    [-H bytes] [-V] [-b] [-h[elp]] [--] [--ignorenan] [--fullstat] inputfile

   Dump content of complex binary file to stdout,
    either: as is, magnitude, phase, real or imaginary part.
   Input files can be almost any complex file
    though not (yet) band interleaved.
   Output can be manipulated by:
   multilooking, subsampling, mirroring, scaling, etc.
   This program is useful for cropping and displaying, in combination
   with e.g., GMT, ImageMagick, or xv.
   Output format to stdout can be binary.
   Careful! only pipe or redirect this.
   (use: "cpxfiddle -h |& more"     in csh
      or "cpxfiddle -h 2>&1 | less" in bash for more help.)

Do I need to install the lastest version of DORIS released in December? From what I have read I should not have to

Thanks;

Kyle

Hi Kyle, 

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[e.sa...@yahoo.com]

hi Kyle S
I have the same problem of step_read_whole and I cant solve it. The error is:
*************************************************************************************

total cpu:        0 min   0 sec
nawk: (FILENAME=- FNR=1) fatal: division by zero attempted
total cpu:        0 min   0 sec
/n [orbit.cc] orbvector_type: 30 vs fixed: 31
ERROR   : [orbitbk.cc[241]]: degree of polynomial < 0
Caught error of EXCEPTION class!
It is: input error
total cpu:     0    min 0   sec

 --- WARNING SUMMARY ---

There were 15 messages:
 1: wavelength is smaller than 1 centimeter?
 2: found_t_range1==false
 3: found_t_azi1==false
 4: found_prf==false
 5: found_rsr==false
 6: found_nlines==false

Number of azimuth looks is 20

Number of range looks is 4

Looked filewidth is 0 
*******************************************************************************************
please help me..
thanks..

[Kyle Siemer]

Hi,

What I ended up doing was use CEOS SLC scenes from ESA. I tried for
quite some time to get the ERS ENVISAT scenes to work, but I don't
think it has been added to the program quite yet.

Kyle

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