JiaweiZhuang / xESMF

Universal Regridder for Geospatial Data
http://xesmf.readthedocs.io/
MIT License
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How does xesmf treats grid cell with Nan values? #129

Open makr-a opened 1 year ago

makr-a commented 1 year ago

Hello everyone, I want to regrid some satellite data with Nan values inside, using xesmf Regridder. Is there a way that Xesmf interpolate all the values in a grid cell without calculating the Nan values in that same grid cell (some how negelct the Nan values)?

Because otherwise I get false value either I do ignore_degenerate=True or False and also when I rewrite the Nan values to 0.

I wouuld be very glad if someone can help me in that point. Thank you in advance. Ismail Makroum

vinodkatmos commented 6 months ago

Eventually I also stumbled across this issue and becomes even worse due to interpolation when you have stitched multiple orbits. For me, setting unmapped_to_nan=True was important to make sure no artificial values were created. However, I would request the developers to look into this issue. I can provide sample data and minimum working code, but that would be around 100 Mb.