1. A method, comprising: obtaining a panoramic image file having two or more component images, alignment information that indicates positions of the two or more component images to align the two or more component images, and at least one blend mask that indicates how to blend the two or more component images, one with another, the two or more component images, the alignment information and the at least one blend mask each comprising separate lavers of a layer stack in the panoramic image file; and receiving an input via a graphical user interface to modify one or more of the separate layers, the graphical user interface being displayed by a display device.