Changing the 3D viewing angle (focal length)

You can select the viewing angle in 3D mode. This corresponds to the setting of the focal length in photography.

The default perspective in Vissim is 45°. This corresponds to a focal length of 43mm in a 35mm system.

• If you want to reduce the perspective by two degrees, press the Ctrl+Page up keys.
• If you want to enlarge the perspective by two degrees, press the Ctrl+Page down keys.

The current perspective is displayed in the first column of the status bar during the change.

Notes:   Vissim does not save any changes to the perspective. The default perspective is set again the next time you open Vissim. The modification of perspective applies to Rotate mode (3D) and Flight mode (3D) and all keyframes.

The table displays the corresponding focal lengths for different perspectives:

Perspective	Focal length (35 mm)	Perspective	Focal length (35 mm)
4°	500 mm	38°	53 mm
7°	300 mm	40°	50 mm
10°	200 mm	44°	45 mm
11°	180 mm	54°	35 mm
15°	135 mm	65°	28 mm
20°	100 mm	72°	25 mm
24°	85 mm	81°	21 mm
29°	70 mm	90°	18 mm