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bahari replied to the topic Ramp in the forum Sarproz Forum 9 years, 1 month ago
Dear Yuxiao,
For testing my results: what method can you introduce? how you can help me in this check?
Nader -
periz replied to the topic Sub-setting in the forum Sarproz Forum 9 years, 1 month ago
if you pick up manually a GCP,
you should not get significant problemshowever, just make sure not to have NaNs in the DEM in SAR coordinates
in case, place them to zero
d -
seppi-santiago started the topic Sub-setting in the forum Sarproz Forum 9 years, 1 month ago
Hello,
I’ve made a subset of my images, but then I have realized that the extracted area exceeds my DEM coverage. However, my AOI (around the yellow placemark in the screenshot) is fully covered.
Will that bring problems in the further processing or I can I proceed without inconvenience?
Thanks
PS: In enclose a screenshot, in blue the DEM…[Read more]
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dora replied to the topic Sentinel-1 master extraction in the forum Sarproz Forum 9 years, 1 month ago
Hi Yuxiao,
can you please send me the compiled version for windows 64 bits with it?
Thank you for your help,
Dora -
ivca-cz replied to the topic Slave extraction: no images found in TIFF file in the forum Sarproz Forum 9 years, 1 month ago
Hi Daniele and Yuxiao,
thank you, the problem was solved by deleting the one image,
it is S1A_IW_SLC__1SDV_20151004T045254_20151004T045321_007998_00B312_5C90.SAFE (IW3),
however now, the process of slaves extraction gets stuck on a different image,
S1A_IW_SLC__1SDV_20151109T045242_20151109T045309_008523_00C10E_3329.SAFE
(with no…[Read more] -
Yuxiao replied to the topic Sentinel-1 master extraction in the forum Sarproz Forum 9 years, 1 month ago
Hi Dear Dora,
The warning inside your logs is fixed and your master image should extract just fine. I’ve already tested out the sample data you’ve uploaded and the extraction works well.
To eliminate the warnings you can just download the file I’ve uploaded, extract them and overwrite with the exist ones in your pcodes folder.
Yuxiao
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Yuxiao replied to the topic SLC Sentinel Data Import in the forum Sarproz Forum 9 years, 1 month ago
Hi Santiago,
In the current version of code we didn’t implement the importing of s1a dual polarization. We will fix this issue in a couple of days the most. We will let you know on that.
Meanwhile, for downloading s1a data, due to the heavy burden of ESA’s server, it is either recommended to use the API…[Read more]
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periz replied to the topic Slave extraction: no images found in TIFF file in the forum Sarproz Forum 9 years, 1 month ago
Hi Ivana,
we are adding an option for visualizing which image has the problem.
I’ll send you the pcodes by email, there are also some other changes going on, keep it as a temporary version.
You’ll have to use the “debug” option in advanced parameters.
In that way, you can post here which is the image with problems, Yuxiao needs to look into it.
bye
d -
ivca-cz started the topic Slave extraction: no images found in TIFF file in the forum Sarproz Forum 9 years, 1 month ago
Hello,
I have encountered a problem as never before, attached.
I checked the directory, all the files have a reasonable size, the number of images also corresponds to what sarproz says.
I know an image may have a problem with one swath – but how to find which image is the problematic one to delete it?
Thank you, Ivana
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seppi-santiago replied to the topic SLC Sentinel Data Import in the forum Sarproz Forum 9 years, 1 month ago
Ciao Dan,
Here the names of two of the images:
S1A_IW_SLC__1SDV_20160104T052642_20160104T052709_009340_00D80F_1E18
S1A_IW_SLC__1SDV_20151223T052642_20151223T052709_009165_00D311_E59EI know this is not the propper place to ask this, but have you experienced recently problems to download Sentinel-1 data?
Thanks,
Santiago -
periz replied to the topic SLC Sentinel Data Import in the forum Sarproz Forum 9 years, 1 month ago
Hi Santiago,
send us the file name of a VV/VH image so that we can download and check it
dan -
seppi-santiago started the topic SLC Sentinel Data Import in the forum Sarproz Forum 9 years, 1 month ago
Hello, I’m starting to work with a small dataset of Sentinel-1 TOPS images to create some interferograms.
These images have VV and VH polarizations. However, when getting the contents in SLC Data Import, only the VV one is available to choose.
Has this happened to anyone here? Has this issue already been discussed in another thread?
Thanks ,
Santiago -
Yuxiao replied to the topic Sentinel-1 SLC IW intensity grayed out, corregistration not possible in the forum Sarproz Forum 9 years, 1 month ago
Hi Matus,
Sorry for the late reply..
Since the coregistration will rely on the area and quality of overlapping parts between bursts, it is always generally a good idea to extract a bigger area (especially on range direction) so to ensure there are enough overlapping parts for fine-coregistration.
Then, since the fine-coregistration will rely…[Read more]
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Yuxiao replied to the topic Sentinel-1 master extraction in the forum Sarproz Forum 9 years, 1 month ago
Hi Dora,
The link is fine. I am going to run you data in a while and then let you know!
Yuxiao
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dora replied to the topic Sentinel-1 master extraction in the forum Sarproz Forum 9 years, 1 month ago
Hi Yuxiao,
I’m sorry for the delay, I’m having trouble with the ftp. Please let me know if you can access the image through this link instead: https://www.dropbox.com/sh/u8gekioz09t9ynf/AABb2ecF1XYTu7sutZqEQflya?dl=0
Thanks,
Dora -
periz replied to the topic Coregistration– in the forum Sarproz Forum 9 years, 1 month ago
Hi Sg,
– here http://sarproz.com/manual/slc_data_module.html you can read that you can update your dataset, trying to coregister again the failed images (be careful, when you press buttons always read carefully the messages given by the sw. in particular, if you do not check the “update” option you may overwrite your work if you press randomly…[Read more] -
sgishwar started the topic Coregistration– in the forum Sarproz Forum 9 years, 1 month ago
If co-reg. fails for some images then does it mean that those images will not contribute anything during the process and are to be discarded before processing further?
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Yuxiao replied to the topic Ramp in the forum Sarproz Forum 9 years, 1 month ago
Hi Dear Nader,
Yes first we should at least see the fringes.
In the second place, as said in the previous topic, It would be great for you to send me you master image’s file name (or date, but file name preferred), the image pairs (same as master image) that has ramps, and the range (coordinates, samples and lines) you set for your area so t…[Read more]
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Yuxiao replied to the topic Sentinel-1 SLC IW intensity grayed out, corregistration not possible in the forum Sarproz Forum 9 years, 1 month ago
Hi Ivana,
Thanks for the info! I will take a look into the data and let you know!
Yours,
Yuxiao -
periz replied to the topic Ramp in the forum Sarproz Forum 9 years, 1 month ago
hi Nader,
as mentioned by Yuxiao in a previous topic, there could be several reasons for having a ramp on an interferogram.
E.g. orbital inaccuracies, coregistration problems, atmospheric artifacts and so on.
Yuxiao is checking it because the Sentinel processing still deserves some extra care.
Generally speaking, forgetting for a moment that you…[Read more] - Load More