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
Bitmaps and Google Earth
Depending on your CadnaA distribution, bitmaps can be imported into the projects. One way is to import and calibrate them manually; another possibility is to use Google Earth. Both possibilities are shown. Furthermore, you'll learn how to use the bitmaps as a template for modeling objects, how to create grids on them and export them to Google Earth.
You will need basic knowledge in grid calculation, in modeling buildings and in setting up roads in order to work through this section. The information from the chapter 
Basics suffices for the first two points, while the third one can be learned in the chapter Roads.