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Handle Sentinel-1 RTC product #112
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Hello, Your Sentinel-1 product seems not to be in SAFE format. The warning is here to prevent you that EOReader doesn't recognize your S1 product. Could you confirm its format is ad-hoc ? Edit: I didn't knew what RTC is, but it's for sure not an ESA format, is it ? If not EOReader doesn't handle them, sadly 😅 |
Hi, That is the name Vertex ASF portal (https://search.asf.alaska.edu) assign after applying RTC to a SAFE image. Hope it helps, |
Yes OK that's what I read. Is there a real community need to handle those unofficial products ? |
@jaimebayes @LabSR-UT Could you please tell me how to download these products ? I need samples for implementation. Are they available outside USA ? |
Sure, I download them through the vertex ASF web portal. First, I select
what image of interest, then before downloading I submit it as a job (see
image below) to obtain an RTC (Radiometric Terrain Corrected) image, which
usually takes some days to be ready to download. I do this because if I
download the image without RTC, it does not overlap correctly with other
datasets.
Hope this helps,
[image: image.png]
|
Ok so this is an additional product, you have to ask for. So, you never orthorectify GRD data on your own ? |
Right, it is an additional product.
I never have orthorectified GRD data before, because I do not have a high
resolution DEM to do that.
Although, I consider orthorectify would not fix that wide displacement, but
I never tried it, by the way.
Is there a way using the EOreader to apply orthorectification to Sentinel-1
imagery?
It would be great to know how to do it.
|
Yes EOReader will orthorectify your data by default if you give it a SAFE file. The only requirement is that you install ESA SNAP on your computer and have its tool Some ressources that might help you:
|
Great, I will give it a try. Thanks for the resources and help.
I hope to use this platform deeper, I am just a newbie on it.
Best regards,
|
Feel free to ask for help if needed 😉 |
Thanks, I will!
|
ASF Sentinel-1 RTC products are now handled by EOReader. |
0.21.0 is up today :) |
Hi Dr. Remi,
Thanks, I am trying it with RTC and it works really fine (see image below).
Thanks for sharing the new version.
I want to know all its functions and uses.
Best regards,
[image: image.png]
…On Mon, Jan 8, 2024 at 3:15 AM Rémi Braun ***@***.***> wrote:
0.21.0 is up today :)
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Sadly I don't see the image 😅 |
Hi there,
I am trying to process an RTC (Radiometric Terrein Corrected) image, but it was not recognized, generates a warning that avoid next lines to execute.
Code
s1_path = "S1B_IW_20211113T231329_DVP_RTC10_G_gdufed_8DC5.zip"
s1_prod = reader.open(s1_path)
Output
WARNING:eoreader:There is no existing products in EOReader corresponding to S1B_IW_20211113T231329_DVP_RTC10_G_gdufed_8DC5.zip
Environment:
Additional context
Colab
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