Complete perspective course : comprising the elementary and advanced stages of perspective, the projection of shadows and reflections, with exercises in theory and practice, also the practical application of perspective (1900)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan and co. · leaf 232
ude of 40 above the G.P. The working points, etc., for drawing these blocks andshadows were set out to a scale of V = 1, but as they cannot beshown in the space at our disposal, they are set out in a supple-mentary diagram drawn to a scale of yg = 1. SCIOGRAPHV OR THE PROJECTION OF SHADOWS 209 In… … produce it to meet li.l. in P. AVith P as centre, and its distancefrom s as radius, draw an arc to meet li.l. in a. Draw a line,making, at a, an angle of 40° with li.l., and produce it to meet avertical line drawn at P in L. Then L is the V.P. of the sunsrays, and PL the V.L. of the plane of shade.…
Perspective
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