What is CGA file?
File created by the Crytek CryENGINE SDK, a program suite used for making 3D games; used for vehicle animations rather than character animations since it is not suited for skeletal bending parts that require skinned geometries; used with an animation (. ANM) file to animate the vehicle.
What is CGA rules?
A CGA rule file consists of several rules that define how the actual building geometry is created. After a CGA rule file is assigned to a shape, the generation of the building model starting from this shape can begin.
What is CGA in city engine?

CGA stands for “Computer-generated Architecture”. It is a programming language used to instruct CityEngine how to automatically generate 3D geometry and, especially, architecture. The basic elements are: Rule — The building Instructions are called rules.
How do I create a rule in city engine?
Create a rule file
- Select the rules folder of your project in the Navigator.
- Click New > CityEngine > CGA Rule File…. Alternatively, right-click in the Navigator the rule folder and choose New… > CGA Rule File.
- Define the name of the rule file.
- Click Finish. A new CGA file is created and opened in the CGA Editor.
How do I open a CGA file?
How to open file with CGA extension?

- Download and install Ventura Publisher.
- Update Ventura Publisher to the latest version.
- Assign Ventura Publisher to CGA files.
- Check the CGA for errors.
How city engine is used in designing an urban area in 3D?
CityEngine is advanced 3D modeling software for creating huge, interactive and immersive urban environments in less time than traditional modeling techniques. The cities you create using CityEngine can be based on real-world GIS data or showcase a fictional city of the past, present, or future.
How CityEngine is used in designing an urban area in 3D?
How much does CityEngine cost?
around $2,700 per year
Licencing & Pricing Pricing in the USA is around $2,700 per year (USD) and can be found here https://www.esri.com/en-us/store/products/buy/arcgis-cityengine.
How do I use Arcgis city engine?
- Find your area of interest. Use ‘Get Map Data’ to import basemap and terrain data.
- Add or sketch your streets, city blocks, and parcels.
- Move 2D data into 3D models.
- Texturize your buildings and facades.
- Export your finished 3D city to the web, VR experiences, game engines or a geodatabase.
How do I download ESRI city engine?
How to install CityEngine 2021.1
- Start the CityEngine 2021.1 installation program Setup.exe.
- Read the welcome screen and terms of use.
- Review the license agreement and accept if you agree.
- Click Change to specify the installation folder or Next to accept the default location.
- Click Install to begin the installation.