Folder Organization and File Types
For your convenience, a set of default folders is created for the various file types you encounter in a CityEngine project. These default locations are also used by the CityEngine specific file-selectors for quick access. A default CityEngine project contains the following folders:
- assets: The assets from this folder can be used by the CGA insert command to compose 3D models during generation. CityEngine supports various asset formats such as ".obj" and ".fbx". Assets can be previewed inside CityEngine in the Asset Preview by double clicking on the file, but you need an external tool to create or edit assets.
- data: This folder contains arbitrary supplementary data. For example lots or mass models (as grouped ".obj" or ".dxf" files) are stored in this folder. These can be imported into CityEngine as shapes and street networks, on to which shape grammar rules can be applied. Dashboard configuration files for each scene and elevation delta files for each layer are also stored in this folder. If you have other project related resources such as artwork and sketches, place them into the data folder as well.
- images: Additional imagery like Viewport snapshots are stored here.
- maps: This folder contains the image maps used by the map layers. For example, a height- or obstacle-map is stored here. Various bitmap file formats such as ".jpg", ".png", ".tif" are supported by CityEngine. Downloaded data from Get Map Data is stored in this folder.
- models: This folder is the default location for exported 3D models.
- rules: This folder contains CGA shape grammar rule files (.cga). Double clicking on a CGA file will directly open the file in the CGA editor.
- scenes: Here, CityEngine scene files (.cej) are stored. Double clicking on a scene file will close the current scene (if any) and open the newly selected scene.
- scripts: This folder contains Python scripts (.py).
The easiest way to fill your project with files is by dragging files into the navigator from your system file browser. More advanced import options will be explained in the next section.
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