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You are here: Products > CadnaA > Features > Grid Arithmetic

Grid Arithmetic

With CadnaA noise maps can be combined using an extremely flexible strategy. With the command "grid arithmetic" any user defined expression with complete noise maps as operands is evaluated and produces a new map.
 

 

 
Here r1 serves as an abbreviation for the first road noise map and r2 for the second railway noise map. The expression r1++r2 produces a map with the noise levels of road and railway added up energetically.