Camera
One
problem of using planar textured objects, is we must be rotating
them all time to maintain looking to camera (to see a good 3D
effect). 'Forest' can do this task automatically with the options
of this rollout. Also, the plugin allows to build only the trees
which are inside of field view of the camera (Forest is the only
plugin for Max which brings this feature), so we can create large
areas of vegetation without problems about number of faces and
excessive workload for Max.
With 'Pick' button we select a camera in the scene, and with
'Clear' button we clear it.
Limit to visibility
In this checkbox, we limit the trees only to the areas covered
by the camera's field of view.
Expand
Sometimes (in scenes with camera motion), it's possible that
some trees will appear or dissapear 'suddenly' from sides of
view because the vision limit is very narrow. With this parameter,
we can expand the field of view area by sides. With a 10% or
20% value, the effect is solved in most of scenes.
Far Clipping Plane
This parameter limits the creation of trees more far than
distance specified (from the camera placing point). This value
is defined in scene's unit.
Trees Looking Camera
Enables the automatic rotation of trees towards the camera.
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