When the mouse pointer is upon one of the visitor shoulder, it changes to indicate you
can drag and drop that point to change the head or body angle of the visitor. While you press the mouse
button,
a tooltip
shows the value of the edited angle.
You may also change change the location of the virtual visitor from the home plan: drag and drop it, or select
it and press the keyboard arrows.
Other attributes of the 3D view may be edited by choosing 3D
view > Modify....

In the 3D view pane, you may change the virtual visitor field of view, its height, the color or the texture
of the ground and
the sky, the light brightness and walls transparency.
The elevation of the virtual visitor point of view is equal to 13/14 of its height to respect adult human proportions.
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