Dear all:
When dealing with historical single radar station data (default coords system is polar), when I convert the polar coords system into cartesian system (e.g. WGS84), there will be some NaN region left around four corners for converted data. How to deal with these NaN value regions by proper interpolating methods?
Thank you all.
If you need to consider the whole area in Mapping ,it would be better to convert your data to geographic coordinates I.e latitude, longitude. As in projections I.e Easting and Northing you may be restricted in one zone only. In such case to cover the whole area zone to zone transformation should be applied.
One option might be to give these cells with missing values the mean or median value of the surrounding neighborhood of cells; maybe an 8-neighbor rule.
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