Misha zonal statstistics and data download #4
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added 2 commits
May 23, 2021 13:14
1. zonal_statistics(): Input filenames for .shp and .tiff files + the column name that has the identifier (p-code, name or both) for every geometry in the .shp file. This function will then mask the .tiff file with every given geometry + aggregate the values based on a (list of) user supplied function(s). By default: [np.mean, np.max,np.sum] and the output dataframe will contain columns “value_1”, “value_2”, “value_3” corresponding to each of the supplied metrics. 2. download_files_url() Standard Python libraries used to download (in this case a .zip) file from a given URL. Simple password + username authentication can be supplied. Standard stuff, but still handy to have it archived once :-) 3. extract_zip_archive(): Again, self-explanatory name. Easy way to let Python extract a zip file.
Handy stuff I figured out while writing this code: - The beautiful soup package has easy ways of parsing information on a webpage. I use this to obtain the correct download link for a given typhoon. :
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@aklilu
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Or just contact me if you have any questions :-)