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Linear or point-projection perspective (from Latin perspicere 'to see through') is one of two types of graphical projection perspective in the graphic arts; the other is parallel projection. [citation needed] [dubious – discuss] Linear perspective is an approximate representation, generally on a flat surface, of an image as it is seen by the eye.
In English, Brook Taylor presented his Linear Perspective in 1715, where he explained "Perspective is the Art of drawing on a Plane the Appearances of any Figures, by the Rules of Geometry". [2] In a second book, New Principles of Linear Perspective (1719), Taylor wrote
In 5-point perspective the vanishing points are mapped into a circle with 4 vanishing points at the cardinal headings N, W, S, E and one at the circle's origin. A reverse perspective is a drawing with vanishing points that are placed outside the painting with the illusion that they are "in front of" the painting.
Line art or line drawing is any image that consists of distinct straight lines or curved lines placed against a background (usually plain). Two-dimensional or three-dimensional objects are often represented through shade (darkness) or hue . Line art can use lines of different colors, although line art is usually monochromatic.
The viewpoint of visual art is fundamental because every different perspective views different angled lines. This change of perspective elicits a different response to the image. Changing the air only by some degrees or some centimeters lines in embodiments can vary tremendously, and a distinct feeling can be transported.
Graphics suite; Heightfield; Hidden face removal; Hidden line removal; High-dynamic-range rendering; Isometric projection; Lathe (graphics) Line drawing algorithm; Linear perspective; Mesh generation; Motion blur; Orthographic projection. Orthographic projection (geometry) Orthogonal projection; Perspective (graphical) Phong reflection model ...
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The weak-perspective model thus approximates perspective projection while using a simpler model, similar to the pure (unscaled) orthographic perspective. It is a reasonable approximation when the depth of the object along the line of sight is small compared to the distance from the camera, and the field of view is small.