<CameraHandler>._camMouseWheel

Override this function to handle mouse wheel events in your camera handler

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e

Event object that contains the following attributes:

Attribute name
view	The active viewpoint object.
dir	Direction mouse wheel was scrolled. 1 is up, -1 is down.

Remarks

Overriding this function allows you to handle mouse wheel events in your custom camera handler.

This will be called in response to a viz.MOUSEWHEEL_EVENT.

Return Value

None