I need to monitor spatial distribution of trace gases and ozone layer on asia. Data sets available on
https://earthdata.nasa.gov/earth-observation-data/near-real-time/download-nrt-data/omi-nrt
comes in he5 formate. I need to convert this format to Erdas img or geoTIFF format to analyse it (as i have command on it). Please suggest any suitable method of conversion using any software or elsewise please guide me of any software which can be used to directly read/analyse he5 formate.
You can use MATLAB:
- read data from a HDF5 data set using function h5read (https://www.mathworks.com/help/matlab/ref/h5read.html),
- write a GeoTIFF file using function geotiffwrite (https://www.mathworks.com/help/map/ref/geotiffwrite.html).
Actually i have nvere used MATLAB, i had to learn it first than convert image.
Please guide me on an software not involving statistical commands Like Erdas Imagine, ArcGis or QGIS etc
You can use MeteoInfo, which is freely available here: http://www.meteothinker.com/ , to open he5 data file.
Dear Muhammad Ashar Ayub ,
Please use python for such a work. Programming with python is a quick and simple way to map he5 satellite data. You can use matplotlib, numpy and other modules in python to read and map these types of data.
Best,
Yusuf
You can use the codes, which are available through this link too:
https://arset.gsfc.nasa.gov/airquality/python-scripts-aerosol-data-sets-merra-modis-and-omi
You can have a very quick and simple analysis using Python programming. I hope this help you to do your job perfectly.
Good luck!
Yaqiang Wang thanks your tutorial, but I am confusing which format did you choose when you open in mapinfo (table or workspace). could you explain it step by step! I would be gradual you answer
Maimaiti Simayi It's MeteoInfo, not MapInfo. Please look at the website: http://www.meteothink.org
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