Objects that are three-dimensional invite us into their space to walk around, but two-dimensional art is enclosed within the picture plane.
What is Picture Plane?
- A picture plane is an image plane used in painting, photography, graphical perspective, and descriptive geometry. It is often coextensive with the material surface of the work and is positioned between the "eye point" (or oculus) and the item being viewed. Usually, it is a vertical plane that is perpendicular to the sightline of the target.
- Three-dimensional space, often known as 3D space, 3-space, or, less frequently, tri-dimensional space, is a geometric setting in which an element's position is determined by three values, or parameters (i.e., point). This is how the term "dimension" is used colloquially.
- Two-dimensional space, often referred to as bi-dimensional space, is a geometric setting in which a point's location on the plane depends on the values of two parameters.
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