netcdf2json

Convert netcdf4 ocean current data to json for Null School Earth project.

How to Use netcdf2json

• Setup NullSchool Earth project from: https://github.com/cambecc/earth
• Download ocean current data from: https://cmr.earthdata.nasa.gov/virtual-directory/collections/C2102959417-POCLOUD/temporal and put .nc files in in folder.
• run

python3 netcdf2json.py

and json files should be generated in the out folder.

• copy catalog.json and .json files in the out folder to public\data\oscar folder of the Earth project.

Addtional Tools and Tutorials

Data Download Tools

• download ocean current data of every day from 2021 to 2022.

 python3 oscar_download.py
 # if you need to use proxy, add your own proxy url ahead.
 # proxy=127.0.0.1:1081 python3 oscar_download.py

and save data in ocean_currents folder.

• download wind data for the last 10 days:

python3 wind_download.py

and save data in wind folder.

Convert data Format

• Convert wind data (grib format) to json

# The java grib2json tool neeeds to be installed first.
# Please refer to: https://github.com/cambecc/grib2json
python3 grib2json.py

• Convert ocean crrent data (netcdf4 format) to json

python3 netcdf2json.py