How do I change the FOV of the 3dsmax perspective window programmatically through Maxscript?

StackOverflow https://stackoverflow.com/questions/397274

  •  29-08-2019
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Question

I need to access the FOV property of the Perspective viewport. This is not the same as the FOV property associated with target and free cameras.

To access the FOV property non-programmatically, right click on the viewport name (top left of each viewport), go to configure and under "perspective user view" you can change the FOV.

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Solution

In 3ds Max 2008 and above, you can use

 viewport.setFOV 50.0

To modify the field of view of the currently active viewport.

Check out "Accessing Active Viewport Info, Type, and Transforms" in the MaxScript help

So:

Utility FieldOfView "Field of View"
(
    slider fov "Field of View" pos:[17,43] width:128 height:44 range:[25,100,viewport.GetFOV()] type:#float

    on fov changed val do
    (
        viewport.setFOV val
    )
)

Will create the usual little Utility that will adjust the Field of View of the currently active viewport.

mk:@MSITStore:C:\Program%20Files\Autodesk\3ds%20Max%202009\help\maxscript.chm::/Accessing_Active_Viewport_Info_Type_and_Transforms.htm

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