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Hi, Sir Thank you very much for your help. However, I still cannot resolve my original problem. As shown in your supported link, it can visualize regional AOD. Indeed, I don't need to visualize this step firstly, I just want to extract the AOD information at specific pixel according to the known poi...

hyoklee wrote: > This Python code may help you: > > > https://www.hdfeos.org/zoo/MORE/LPDAAC/MCD/MCD19A2.A2010010.h25v06.006.2018047103710.hdf.py Hi, sir Thanks for your help. Indeed, I have downloaded a lot of MCD19A2 file (version 6.1) with HDF4 format, while I am failed to how to extract the avai...

Hi, Sir: Considering the absence of geographic information layer in MCD019A2, which unable to locate the specific point with known longitude and latitude. Could you please give me some suggestion about how to locate it. Furthermore, due to there are different layers in the same sds (Optical_Depth_05...

Hi, Thanks for your help. I open the link: https://lpdaacsvc.cr.usgs.gov/services/tilemap?help=html, while it shows below figure. I still indeed have no idea to figure out how to correspondence between the pixel and the coordinate in MCD19A2 file? I am not sure if the link is wrong or cannot open co...

Hi, Sir: I download the MCD19A2 Version 6 data with HDF format, while the dataset exclude the longitude and latitude information. Hence 1). I want to know how to match the each grid with ___location. 2). The Aerosol Optical Depth at 047 micron (or Aerosol Optical Depth at 055 micron) has different numb...