Spatial referencing OMI Level 3 UV data OMUVBd

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03-01-2016 05:55 AM
ChienChihWang
New Contributor

I would like to process the OMI level 3 UV data (OMUVBd) in netCDF format: File Listing for OMI/Aura Surface UVB Irradiance and Erythemal Dose Daily L3 Global 1.0x1.0 deg Grid

However, as I visualized the data in ArcGIS 10.3 with the tool make netCDF raster layer, the spatial reference system could not be defined. I know that OMIUVBd uses EPSG4326 as spatial reference system but I also couldn't change it through tools such as project raster. Any suggestions how I can fix this problem? (I need to get values at specific coordinates)

Thanks in advance!

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DanPatterson_Retired
MVP Esteemed Contributor

If you know the coordinate system, then you can use the define projection tool NOT the project tool.  You can only project data once it has a known and defined coordinate system.

You should really move this thread from GeoNet Help to a more appropriate location  like Managing Data​ or Spatial Analyst​ depending upon your preference

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