How do I performed a spatial join on two rasters?

[المشرف العام]

Have search on this question but cant quite find the solution i seeking.

I have two rasters, one with nodata cells the other is complete.

I am seeking to combine the two rasters. Where there is a nodata cell i would like to use the cell value nearest to the nodata cell. ( just like performing a spatial join to closest point only on a continuous surface).

Have looked at zonal, neighborhood stats but they are not returning the result. The combine tool does but does not look to the closest cell where nodata

Using Esri ArcGIS 10.2

Hope this makes sense.

Thanks for any advice



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