Geometrical drawing, projection drawing, freehand and ornamental drawing, wash work and brush drawing, elementary perspective drawing, architectural drawing (1921)
International Correspondence Schools · Scranton, PA : International Textbook Co. · leaf 286
ofvisioyi, according to the a7igle that the lines make with thepicture plane. 2. When the Parallel lines are horizontal and incline at anangle of 45° to the picture plane, their vanishing poiyit is to theright or left of the ceiiter of visiofi a distance equal to thedistance of the station point… … and the corner ^ represent the station point; then, SI.and SR will represent lines at angles of 45° with thehorizon, and SC s. line perpendicular to the horizon. L and R 8 ELEMENTARY PERSPECTIVE DRAWING §5 will be the vanishing points of 45° lines, and C will bethe vanishing point of perpendicular…
