Shadows/Shading - Shadows/Shading is a depth cue that combines two elements. The first element is shadows which refers to the use of a cast shadow or shadows within an image. The second element is shading which refers to the use of a range of brightness to create plasticity.
* Alternate term: Chiaroscuro
An image without shadows or shading.
The result is a sense of volume and form. There is a sense of which parts of the spheres are closer to the viewer and which parts are further from the viewer.
With the addition of shadows, the spheres are now placed on a surface and it is apparent that the right-most sphere is actually closer to the viewer and floating above the ground plane.
Aubrey Beardsley. The Fourth Tableau of Das Rheingold. 1896.
Edourard Manet. A Bar at the Folies-Bergeres. 1881-82.
Oil on canvas
(shading, minimal shadows)
Jan Vermeer. The Milkmaid. c. 1658-60.
(shadows and shading)