python Archives

How to install miniconda on MacOS

By sunny.bak April 20, 2024Python, SOFTWARENo Comments

source: https://docs.anaconda.com/free/miniconda/ # create parent directory miniconda3 mkdir -p ~/miniconda3 # download curl https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-arm64.sh -o ~/miniconda3/miniconda.sh # execute installation and updates bash ~/miniconda3/miniconda.sh -b -u -p ~/miniconda3 # remove setup…

How to access metadata using NetCDF4 python package

By sunny.bak February 1, 2024Python, SOFTWARE

import netCDF4 as ncfn = '/path/to/file.nc4'ds = nc.Dataset(fn) # import Dataset from netCDF4 from netCDF4 import Dataset # open nc file and save to nc ds = Dataset('myfile.nc') # print…

Ways to download ERDDAP Data using python

By sunny.bak June 26, 2023SOFTWARE

ctx = ssl.create_default_context() ctx.check_hostname = False ctx.verify_mode = ssl.CERT_NONE url = 'https://oceanwatch.pifsc.noaa.gov/erddap/griddap/sw_chla_monthly_2018_0.nc?chlor_a[(1997-10-16T12:00:00Z):1:(2010-10-16T12:00:00Z)][(25):10:(15)][(198):10:(208)]' file_name = "sw.nc" with urllib.request.urlopen(url, context=ctx) as u, \ open(file_name, 'wb') as f: f.write(u.read()) print('complete') source: https://github.com/CoastWatch-WestCoast/python_code/blob/satellite_course_jan_2022/compare_satellite_timeseries.ipynb def…

How to convert geotiff to netcdf using gdal and python MacOS

By sunny.bak April 28, 2023SOFTWARE

My current python version is 3.11.3 on MacOS First create python environment, then install gdal in the environment create conda environment; I named my environment gdalenv Activate the environment then…

Kaggle Course – geospatial analysis summary

By sunny.bak January 26, 2022SOFTWARE, STATISTICS

Source: https://www.kaggle.com/learn/geospatial-analysis, This is the code summary note for the Kaggle geospatial analysis geopandas frame has a geometry column that shows either a point/line/polygon Part 1: Your first map source:…