Hatton, Richard G · London, Chapman & Hall ld. · leaf 184
perpendicular tothe picture, and therefore lines perpendicular to it are Shadows cast upon a Vertical Plane 149 parallel to the picture and do not vanish. The light issomewhat to the left. To obtain the E.S. of AB, we drawfrom the light a line parallel to AB till it cuts the wall.This it will do on… … Fig. 116.—A sign suepended by a rod, with the shadows upon a vertical plane. easily found. The R.S.2 for BC is found in the same way,E.S.2 is the seat of the light on the wall, and the shadowsof all perpendiculars to the wall, such as BC and FE are,will radiate to it. The shadows of BF and DE will…
Perspective · Drawing
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