A Silhouette is a dark shape or outline of a person, object, or scene with an undefined interior. It is created by the contrast between the background and the shape of the subject, as well as by backlighting from a source of light.
Shadow, on the other hand, is a dark area that results from blocking out light. It is usually casted by an opaque object blocking the light source. The shadow will only appear when there is a difference in height between two objects that are illuminated by a single light source.
So does a shadow count as a Silhouette?
The answer to this question depends on how you define a Silhouette and how you define a shadow. In general terms, both Silhouettes and shadows are defined by their dark outlines and lack of detail in their interior. However, when it comes to distinguishing between one another, it becomes more complicated. Shadows can be considered to be part of the Silhouette if they are defined by the same light source producing the Silhouette effect.
For example, if you have an object illuminated from one side that casts its own shadow on another object behind it, then that would create two distinct Silhouettes – one for the object itself and one for its shadow. On the other hand, if both objects were illuminated from multiple sides with different directions of light then they would not be considered Silhouettes but rather shadows.
In conclusion, whether or not a shadow counts as part of the Silhouette depends on how you define each term and what type of lighting is used to create them. If both Silhouettes are created with different types of lighting then they would not be considered part of each other’s Silhouette but rather separate shadows.