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 172
fwe refer to Fig. 113, we shallsee that the line CS must beat right angles to the line YL ; so draw a line from C (Fig. 114)at right angles to the line YL. With C as centre, and radiusCS, draw an arc to meet this line in S. Kow CS is the directionof sight [15] constructed on to the picture plane,… … I50 COMPLETE PERSPECTIVE COURSE chap. with DP, and produce it to meet VL in Y. Then the hne 8Vis the generatrix of the cone constructed on the picture plane.We have, in fact, rotated the triangle SCV (Fig. 113) on theline CV to coincide with the picture plane, as shown. 70. Accidental Measuring…
Perspective
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