FY4A_agri_introduction(zh-CN).ipynb need agri_l1_4000m_geo, how can i do ? #49
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It seems you can't access the zenodo correctly. You need to make sure your internet is available to download the pyspectral data. BTW, the reader should be |
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Dear Zhang Xin: I'm sure my internet can visit google and youtube github. but how can I available to download the pyspectral data? |
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Ha, thanks for the report. I tested on my machine and got the same error. However, if I copy |
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Well, it should be the internet problem. Here's the test on my Chinese machine: Without vpn: With vpn: |
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Thanks：
I have beend download pyspectral_atm_correction_luts_no_aerosol.tgz. The file should be put where the correct directory ? Then the porgram could run right?
Thank you for your prompt reply!
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主题: Re: [pytroll/pytroll-examples] FY4A_agri_introduction(zh-CN).ipynb need agri_l1_4000m_geo, how can i do ? (Issue #49)
Well, it should be the internet problem. Here's the test on my Chinese machine:
Without vpn:
wget https://zenodo.org/record/1288441/files/pyspectral_atm_correction_luts_no_aerosol.tgz ✔ arctic 14:44:49 --2022-11-15 14:44:50-- https://zenodo.org/record/1288441/files/pyspectral_atm_correction_luts_no_aerosol.tgz Resolving zenodo.org (zenodo.org)... 0.0.0.0 Connecting to zenodo.org (zenodo.org)|0.0.0.0|:443... failed: Connection refused.
With vpn:
wget https://zenodo.org/record/1288441/files/pyspectral_atm_correction_luts_no_aerosol.tgz INT ✘ arctic 14:44:34 --2022-11-15 14:44:35-- https://zenodo.org/record/1288441/files/pyspectral_atm_correction_luts_no_aerosol.tgz Connecting to 127.0.0.1:7890... connected. Proxy request sent, awaiting response... 200 OK Length: 54291625 (52M) [application/octet-stream] Saving to: ‘pyspectral_atm_correction_luts_no_aerosol.tgz’ pyspectral_atm_correction_luts_no_aerosol. 100%[========================================================================================>] 51.78M 10.2MB/s in 6.0s 2022-11-15 14:44:44 (8.60 MB/s) - ‘pyspectral_atm_correction_luts_no_aerosol.tgz’ saved [54291625/54291625]
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You can turn on the debug like this: Then you will see the directory to save data. For my mac laptop, it's |
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Under your guidance, I have put to the correct rayleigh_only file dir .
the new question is No rsr file C:\Users\DELL\AppData\Local\pytroll\pyspectral\rsr_agri_FY-4A.h5 on disk
I have go to pyspectral but not found it . could tell me where to download it?
Thank you very much for your patient guidance
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主题: Re: [pytroll/pytroll-examples] FY4A_agri_introduction(zh-CN).ipynb need agri_l1_4000m_geo, how can i do ? (Issue #49)
You can turn on the debug like this:
from satpy.utils import debug_on debug_on()
Then you will see the directory to save data. For my mac laptop, it's /Users/xin/Library/Application Support/pyspectral/rayleigh_only. Downloading and extracting the tgz file should work.
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It's wonderful，now I could get beautiful FY4A true color map by satpy under your patient guidance.
Then the question is : by scn.available_dataset_names()，it can get not only C01-C14 channel, but include 'solar_azimuth_angle','solar_zenith_angle','satellite_zenith_angle','solar_azimuth_angle'. In satpy new version. scn.available_dataset_names() just shows C01-C14 channel。Did I something wrong?
And now, scn.load([true color]) did not show" Required file type 'agri_l1_4000m_geo' not found or loaded for 'solar_azimuth_angle' " any more 。 It means compostion(true_color) run the correct and has used agri_l1_4000m_geo ?
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主题: Re: [pytroll/pytroll-examples] FY4A_agri_introduction(zh-CN).ipynb need agri_l1_4000m_geo, how can i do ? (Issue #49)
I suppose it's this one:
https://github.com/pytroll/pyspectral/blob/aaa55f732790306826f98e68b3cbc865af9a9086/pyspectral/utils.py#L91
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I have the same problem. It shows the message: |
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@jshn9515 I think the angles are computed if not to be found in the data. The result should not be impacted significantly. |
When I run:
filenames = glob.glob('F:/FY4A/AGRI/20220701/FY4A-_AGRI--_N_DISK_1047E_L1-_FDI-_MULT_NOM_20220701060000_20220701061459_4000M_V0001.HDF')
scn = Scene(filenames, reader='agri_fy4a_l1')
composite = 'true_color'
scn.load([composite])
there are two problem, what can improve it ?
Required file type 'agri_l1_4000m_geo' not found or loaded for 'satellite_zenith_angle'
Required file type 'agri_l1_4000m_geo' not found or loaded for 'solar_zenith_angle'
Required file type 'agri_l1_4000m_geo' not found or loaded for 'solar_azimuth_angle'
Required file type 'agri_l1_4000m_geo' not found or loaded for 'satellite_azimuth_angle'
ProxyError: HTTPSConnectionPool(host='zenodo.org', port=443): Max retries exceeded with url: /record/1288441/files/pyspectral_atm_correction_luts_no_aerosol.tgz (Caused by ProxyError('Your proxy appears to only use HTTP and not HTTPS, try changing your proxy URL to be HTTP. See: https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html#https-proxy-error-http-proxy', SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1131)'))))
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