CadnaA Demo Version
A fully featured CadnaA demo version is available free of charge. 
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Sales Contact
Are you interested in buying CadnaA? Please contact your local distributor. Contact details you can find here.
CadnaA Users
CadnaA is successfully applied in many different industries in more than 60 countries all over the world. more
Noise Mapping
CadnaA is the most successful noise calculation and noise mapping software available. more
Fitting Objects to the DTM and Vice Versa
With CadnaA, objects like buildings can be fit to the Digital Terrain Model or vice versa. Both options are explained here.
Having worked through the chapter 
Basics and the section Modeling Terrain in this chapter is important for understanding the fitting of objects and the DTM.