CityEngine supports an arbitrary number of cameras. Multiple cameras are especially useful if you are working with more than one 3D viewport. There are four predefined cameras:
- Perspective: a perspective view of the scene.
- Front: a front view of the scene (you look along the z-axis)
- Top: a top view of the scene (you look along the y-axis)
- Side: a side view of the scene (you look along the x-axis)
In addition to these predefined cameras, you can always align the camera along a specific axis by pressing X, Y, or Z. While Y only orients the Y-Axis in camera direction, X and Z also re-orient the Y-axis upwards. This in combination with switching between orthographic and perspective view P allows you to quickly walk through multiple views of your scene.
Cameras are accessible from themenu. To create a new camera, click . Manage cameras by or .
This will open the Camera Preferences menu. You can add new cameras or edit current ones. Cameras are shared among 3D viewports, meaning that if multiple 3D viewports use the same camera, changing the camera in one viewport (e.g. by rotation) will affect the second viewport with the same camera as well.
A camera configuration has the following options:
- Perspective: If selected, the camera will give a perspectively correct image. If not selected, the camera will operate in orthogonal mode where parallel edges will also appear as parallel lines in the 3D viewport. You can switch between perspective and orthogonal mode by pressing P or selecting Orthogonal View from the Focal Length menu.
- Angle of view: The width of the field of view. For your convenience, some predefined angles of view corresponding to specific focal lengths are accessible from the Focal Length menu.
- Rotate/Translate: These values position and orient the camera. You can enter a world coordinate position for the camera as well as a specific rotation of the camera.
- Distance to Point of Interest: This value corresponds to the distance between the camera and the POI. The POI is also the center of rotation and thus the distance to the POI defines the radius of the camera rotation.
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