Hatton, Richard G · London, Chapman & Hall ld. · leaf 107
e angle X. With linestaken by chance, this must always happen. If, however, the assumed line be so taken that it formsthe base of an isosceles triangle with AB and AC for legs,all difficulty is avoided. This is done in Fig. 48, wherethe assumed line BO is the base of the isosceles triangleABC.… … OfBj6Crir.< UWE- FiG. 48.—The theory of the measuring point. conditions of the isosceles triangle on plan. From themeasuring point to the vanishing point is the samedistance as from the eye to the vanishing point. Thevanishing parallel runs from the eye to the V.P.; it runsfrom a line through…
Perspective · Drawing
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