1. A method for providing image data of an event, comprising: receiving video data of the event, the video data including a plurality of camera images of the event; receiving auxiliary data associated with the video data, the auxiliary data identifying one or more particular camera images of the plurality of camera images from which at least one virtual viewpoint of the event can be viewed; and responsive to the auxiliary data, informing a user of the one or more particular camera images of the plurality camera images from which the at least one virtual viewpoint of the event can be viewed.