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Processing Multiple Slices of Sentinel-1 TOPS using ISCE #448
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Hi @hariiirs,
|
Thank you very much @ Baryan Marfito
Concern 1: Actually I am confused because part of multiple scenes of same
dates are covering the study area. The downloaded data is in .zip file
(Sentinel-1), so will it take all scenes in account for assembly and
merging? If it is, then its good for me. I will process it day after
tomorrow and will come back to you if any further concern is there.
Concern 2: This I wan thinking if assembly and merging is not possible in
ISCE then these steps can be first performed in SNAp and then output can be
process in ISCE which will serve my purpose. Not more than that.
Thank you once again.
With regards
Hari Shankar
…On Mon, 28 Feb 2022 at 17:13, Bryan Marfito ***@***.***> wrote:
Hi @hariiirs <https://github.com/hariiirs>
-
Regarding your first concern, ISCE automatically implements slice
assembly and merging of subswaths in Sentinel-1 using the topsApp.py and
stackSentinel.py workflows. You just need to edit the topsApp.xml file for
topsApp.py or just specify the needed parameter and argument for
stackSentinel.py
-
Regarding your second concern, what is your purpose of further
processing Snap outputs in ISCE? As far as I know, Snap and ISCE read
specific file formats so ISCE cannot possibly read Snap output files. They
are also end-to-end SAR data processors so for me there is no point as of
now ingesting Snap outputs in ISCE for further processing.
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Hi @hariiirs, Regarding the multiple scenes with the same dates, as far as I know, ISCE can resolve those multiple scenes with the same dates which covers the study area as long as the images have the same IPF numbers. You may need also to check if the images are on the same path/track (ascending or descending) as you may not be able to process them if they are on different path/track. I experienced this before where multiple scenes were imaged on the same day but they have different paths/tracks. |
Ok, i will check it tomorrow. Thank you very much for help.
With regards
Hari Shankar
…On Tue, 1 Mar 2022, 07:29 Bryan Marfito, ***@***.***> wrote:
Hi @hariiirs <https://github.com/hariiirs>,
Regarding the multiple scenes with the same dates, as far as I know, ISCE
can resolve those multiple scenes with the same dates which covers the
study area as long as the images have the same IPF numbers. You may need
also to check if the images are on the same path/track (ascending or
descending) as you may not be able to process them if they are on different
path/track. I experienced this before where multiple scenes were imaged on
the same day but they have different paths/tracks.
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Thank you Mr. Bryan Marfito
This is to inform you that I am successful in processing multi-slice,
multi-subswath and multi-burst SAR dataset in ISCE using stackSentinel.py.
Thank you very much once again. I will come back to you in future for any
other problem related to ISCE and InSAR processing.
With regards
Hari Shankar
…On Tue, 1 Mar 2022 at 09:19, Hari Shankar ***@***.***> wrote:
Ok, i will check it tomorrow. Thank you very much for help.
With regards
Hari Shankar
On Tue, 1 Mar 2022, 07:29 Bryan Marfito, ***@***.***> wrote:
> Hi @hariiirs <https://github.com/hariiirs>,
>
> Regarding the multiple scenes with the same dates, as far as I know, ISCE
> can resolve those multiple scenes with the same dates which covers the
> study area as long as the images have the same IPF numbers. You may need
> also to check if the images are on the same path/track (ascending or
> descending) as you may not be able to process them if they are on different
> path/track. I experienced this before where multiple scenes were imaged on
> the same day but they have different paths/tracks.
>
> —
> Reply to this email directly, view it on GitHub
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HS
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You're welcome @hariiirs. Pls close this issue. Thanks! |
Dear Bryan
I am stucked in the processing when running sh run_05_fullBurst_resample.
It gives a message of non-availability W1.xml.data.dat file under each
coreg_secondarys folder. Though these files are created under the same
folder but nothing is there inside them. The screen shots are attached here
for your reference. I repeated this processing (till this step0 three
times. Can you please help me in this regard?
With regards
Hari Shankar
…On Wed, 9 Mar 2022 at 11:29, Bryan Marfito ***@***.***> wrote:
You're welcome @hariiirs <https://github.com/hariiirs>. Pls close this
issue. Thanks!
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Hi @hariiirs, kindly check if you miss running any previous steps before running run_5. |
Dear Bryan
I repeated three times. But similar msg is received.
With regards
HS
…On Thu, 17 Mar 2022, 13:49 Bryan Marfito, ***@***.***> wrote:
Hi @hariiirs <https://github.com/hariiirs>, kindly check if you miss
running any previous steps before running run_5.
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Hi @hariiirs, could you post the stackSentinel.py command and arguments that you used here? |
Dear Bryan
Yes, this is the command/arguments which I have used -
Present working directory: /home/hari_s/....../Project/Descending/outputs/
stackSentinel.py -s /home/hari_s/...../Project/Descending/SLCs/ -o
/home/hari_s/...../Project/Descending/orbits/ -d
/home/hari_s/.....Project/DEM/demLat_N28_N33_Lon_E077_E081.dem.wgs84 -b
'30.3 31.4 78.6 82.2' -W slc -n '1 2 3' -a
/home/hari_s/...../Project/Descending/orbits/ -C geometry -e 0.65 -m
20210506 --num_proc 4
Regards
Hari Shankar
…On Fri, 18 Mar 2022 at 11:47, Bryan Marfito ***@***.***> wrote:
Hi @hariiirs <https://github.com/hariiirs>, could you post the
stackSentinel.py command and arguments that you used here?
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Hi @hariiirs It could be a bug in the See #271 The feedback from @yunjunz slipped past me. I will look to resolve this in the coming days. I would be happy to see anyone else take ownership of it. You could fix this manually by ensuring the last lines of any of your run scripts contain Or just run the one process. Cheers. |
Dear Bryan
Thank you very much for your suggestion. Now let me try with one processor,
and will revert you back the situation.
With regards
Hari Shankar
…On Tue, 22 Mar 2022 at 11:52, Russell Grew ***@***.***> wrote:
Hi @hariiirs <https://github.com/hariiirs>
It could be a bug in the --num-proc 4 which hasn't been merged.
See #271 <#271>
The feedback from @yunjunz <https://github.com/yunjunz> slipped past me.
I will look to resolve this in the coming days. I would be happy to see
anyone else take ownership of it.
You could fix this manually by ensuring the last lines of any of your run
scripts contain wait.
Or just run the one process.
Cheers.
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Dear All
I have one doubt regarding the range and azimuth looks for Sentinel-1 TOPS
SLC images while processing with ISCE for stacking and single-reference
interferogram generation. The no. of azimuth and range looks are only
single in each direction. But while processing it with ISCE then I had
following confusion-
1) In *stackSentinel.py, *the default Azimuth Looks are 3 and Range Looks
are 9. So shall I change the no. of looks in each direction while running
this command.
2) The parameters (no. of looks in azimuth and range direction) of
*input_file* required for *make_single_reference_stack_isce. *I think
these parameters should be the same in both steps.
Can you please suggest what should be the range and azimuth looks for
Sentinel-1 TOPS processing?
Many thanks
Hari Shankar
…On Thu, 24 Mar 2022 at 11:45, Hari Shankar ***@***.***> wrote:
Dear Bryan
I have processed it with single process but still getting the same error
message (attached).
With regards
Hari Shankar
On Tue, 22 Mar 2022 at 12:49, Hari Shankar ***@***.***> wrote:
> Dear Bryan
>
> Thank you very much for your suggestion. Now let me try with one
> processor, and will revert you back the situation.
>
> With regards
> Hari Shankar
>
> On Tue, 22 Mar 2022 at 11:52, Russell Grew ***@***.***>
> wrote:
>
>> Hi @hariiirs <https://github.com/hariiirs>
>>
>> It could be a bug in the --num-proc 4 which hasn't been merged.
>>
>> See #271 <#271>
>>
>> The feedback from @yunjunz <https://github.com/yunjunz> slipped past
>> me. I will look to resolve this in the coming days. I would be happy to see
>> anyone else take ownership of it.
>>
>> You could fix this manually by ensuring the last lines of any of your
>> run scripts contain wait.
>>
>> Or just run the one process.
>>
>> Cheers.
>>
>> —
>> Reply to this email directly, view it on GitHub
>> <#448 (comment)>,
>> or unsubscribe
>> <https://github.com/notifications/unsubscribe-auth/AKDZGJJRF7YIYDBORKP4P3DVBFRJFANCNFSM5PDP2UBA>
>> .
>> You are receiving this because you were mentioned.Message ID:
>> ***@***.***>
>>
>
>
> --
> HS
>
>
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HS
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HS
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my qq number is 790672784.Can we make a friend and chat with each other? |
Yes, sure.
…On Tue, 26 Apr 2022, 15:20 OliviaDdy, ***@***.***> wrote:
my qq number is 790672784.Can we make a friend and chat with each other?
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@hariirs the multilook of 3 and 9 are associated with the different azimuth and range resolutions for Sentinel-1. The outcome of ISCE2 with these parameters is a roughly regular grid. Your choice of parameters will depend on your applications. If you choose 1 and 1 you will have more range than azimuth pixels. See for example https://sentinel.esa.int/web/sentinel/technical-guides/sentinel-1-sar/products-algorithms/level-1/single-look-complex/interferometric-wide-swath for details. |
@hariiirs How to use isce to merge data from two adjacent Sentinel-1s? |
@bjmarfito |
Hello Everyone,
My study area is lying over multiple sub-swaths and bursts, and multiple slices (stand-alone product) of Sentinel-1 (IW acquisiton mode) data.
Concern 1: I am able to process single slice of Sentinel-1 TOPS using ISCE processor, but dont know how to perform the Slice Assembly and Merging of sub-swath of Sentinel-1 products using ISCE processor.
Concern 2: Slice assembly and merging tools are available in SNAP. If I am performing these operations in SNAP, I dont know how to read the SNAP outputs in ISCE for further processing. This I am asking because my area is large and SNAP is slow compared to ISCE.
Can anybody help me for any one concern described above?
Many thanks
Hari Shankar
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