Shift - Mathematical Perspective in Art

Perspective, as used in the context of paintings and drawings, has been a device used by artists to provide the viewer with an interpretation as to the make up and/or meaning signified in a piece of art by way of use of artistic elements such as, color, contrast, shading, proportion, etc.
Linear perspective as used in the context of paintings and drawings, is a device used by artists and designers as a method of adding a third dimension to two dimensional space by way of use of one, or multiple vanishing points. Its use was undeveloped in medieval times, then focusing more so on proportion and positioning...