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500 to left angle of 450 Angular Perspective back of P. P. back of Picture base circle cone of rays cube diagram diameter direct perspective draw a line draw lines draw vertical lines DRAWING PLATE erect a perpendicular erect a vertical farther feet front elevation front of P. P. Ground Line horizon line INSTRUCTIONS FOR DRAWING intersects the line left of P. V. R. left of spectator line cuts line from M. P. line G line I. J. line intersects line to C. V. line vanishes line Y. Z. lines parallel lines running directly measuring line measuring point nearest corner paper parallel to A. B. perspective drawing Picture Plane Place into perspective points draw points to M. P. prism protractor radius right of spectator run a line run lines semi-circle side elevation spective sphere student triangle vanishes at 500 vanishing and measuring vanishing line vanishing parallel vanishing point
Page 7 - Since the horizon is always on a level with the eye of the observer, the distance between the ground line and the horizon represents the elevation of SP above the ground plane (Figs.