Sets the "home" view to be the current view orientation.
"viewport_var" is a variable referencing a Viewport object. | 
        
"viewport_var" is a variable referencing a Viewport object. | 
        
| Type | Description | 
| boolean | Returns true if setting the view orientation was successful. | 
| Name | Type | Description | 
| isFitToView | boolean | Specifies if when the view goes "home" if the view should be fit to the model or not. True indicates the view will be fit to the model. |