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Combine two rasters


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I need to combine two overlapping raster layers. I would like the resulting map to get the values such that it takes the higher values from any of those two layers. For example:If one map has a value of 0.8 and other has 0.1 at same point then i would like the final map to get a value of 0.8 from the first map. 


How could this be done in arcmap? Can someone help me with it?


Thanks a lot,


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Add both raster  to ArcMap 

Open Windows -> Image Analysis 

Select rasters in Image Analysis window (not in Toc)

Use key in Processing window Composit Bands

You will get the virtual combined raster which you can export if necessary 


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