Which of the following is not classified as a type of digital art?

Cinematography, while it can incorporate digital techniques, is primarily considered a traditional medium focused on the art of film and moving images, where the core elements involve live-action shooting, lighting, and film editing. The other options—digital painting, 3D modeling, and graphic design—are all forms of digital art, as they fundamentally rely on digital tools and software to create visual content. Digital painting uses software to mimic traditional painting techniques; 3D modeling involves creating three-dimensional objects using digital technologies; and graphic design encompasses the use of typography, imagery, and layout in a digital environment. Thus, cinematography stands out as not being classified strictly as digital art.