VISSIM 5.30-05 User Manual

4 View Settings
4.3.6 Fog/Haze
Mouse click Add. key Action
Left CTRL Rotates the 3D object
Left CTRL+SHIFT Scales the 3D object (smaller: mouse move
left, larger: mouse move right)
If complex 3D objects are used then switching into 3D mode may take a
moment for VISSIM to initialize.
To select a static 3D model, the mouse click position needs to be unambiguous,
i.e., the 3D model must not overlap at the click position.
Static 3D objects (such as buildings etc.) can be converted from Autodesk
3DS-Max file format *.3DS into the VISSIM 3D file format *.V3D using the
optional module V3DM (VISSIM 3D Modeler).
Furthermore, simple 3D models can be modeled directly in V3DM and
textures used to give them a realistic appearance.
SketchUp files do not have to be converted into *.V3D files by means of
V3DM.
Fog can be added to any 3D scene in VISSIM. The fog is visible only on 3D
objects, not on the surrounding area that is referred to as ‘sky’. In order to
get a fog effect on the sky also, you need to place a static 3D object ‘wall’
with a sky texture on it. As an easy alternative you can also color the sky with
a grey color similar to the fog.
The following hotkeys control the fog appearance:
Hotkey Action
CTRL+F9 Toggle fog display on/off
CTRL+F3 Move the fog front towards the observer
CTRL+F4 Move the fog front away from the observer
CTRL+F5 Move the 0-visibility front towards the observer
CTRL+F6 Move the 0-visibility front away from the observer
From the observers point to the fog front, there is always 100% visibility. The
fog increases between the fog front and the 0-visibility front. Behind the 0visibility
front there is 0% visibility. Consequently, the fog density decreases
as the distance between the fog front and the 0-visibility front increases. The
0-visibility front cannot be moved in front of the fog front. Neither can the fog
front be moved behind the 0-visibility front.
98 VISSIM 5.30-05 © PTV AG 2011