CS 445 / 645 Introduction to Computer Graphics. Lecture 18 Shading. Ray Tracing Assignment. Deadline extended until Tuesday the 13th. Ray Tracing Assignment. Barycentric coordinates (M ö bius, 1827) Consider a triangle defined by (A 1 , A 2 , A 3 )

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LINEAR PERSPECTIVE. Two Point Linear Perspective. LINEAR PERSPECTIVE. A system of drawing in which the artist uses line to create the illusion of depth on a flat surface. HORIZON LINE.

LINEAR PERSPECTIVE. HORIZON LINE: This represents a person’s eye level when they are looking straight ahead. VANISHING POINT: a small mark where lines and other items appear to disappear. HORIZONTAL LINES: these run left to right. VERTICAL LINES: these lines run up and down.

Linear Perspective. Art 1 Ms. Bailey. Gentile da Fabriano , Adoration of the Magi, altarpiece, 1423. Robert Campin , The Merode Altarpiece, The Annunciation, triptych, c. 1425-1430. Perugino, Christ Delivering the Keys of the Kingdom to Saint Peter, 1481-1483.

Linear Perspective. The Illusion of Space. Linear Perspective. Is a drawing technique used for creating an illusion of space where parallel lines converge on the viewer’s horizon line. Attributes of Linear Perspective. The following items play a major role in creating the illusion of space:

Linear PERSPECTIVE . A technique for representing three-dimensional space on a flat surface. One-Point Perspective. Linear PERSPECTIVE . Vanishing Point. Dot where all the lines converge. Horizon Line. Eye Level Line. Giorgio de Chirico, PIAZZA D'ITALIA CON ARIANNA , 1950.

LINEAR PERSPECTIVE. SINGLE POINT PERSPECTIVE - VANISHING POINTS TWO-VANISHING POINTS PERSPECTIVE THREE-VANISHING POINTS PERSPECTIVE. What is linear perspective ?. It is a system of drawing in which the artist uses lines to create the illusion of depth on a flat surface .

Linear perspective. Height in the field. Overlap. Texture gradient. Relative Size. Impossible figures. Ambiguous figures. Fiction. Distortion. Distortion. Muller-Lyer. Another Distortion. Carpentered Environment. Zulu Kraal. The End.

Linear Perspective. An illusion of three dimensional space on a two dimensional surface. One-Point Perspective. One-Point Perspective. Horizon Line The line that shows where the land meets the sky Vanishing Point A single point on the horizon line where all lines on the ground seem to meet.

Linear Perspective. (Two Point Perspective). Van Gogh. Two Point Perspective. Perspective that depicts three-dimensional objects receding or proceeding from two vanishing points on a two-dimensional surface. Hopper.