Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1910)
Norton, Dora Miriam · Brooklyn : D. M. Norton · leaf 124
moves on toward the left. The apparent width of the doorthus opened may be measured by an ellipse on the floor(Pig. 172) representing the path of its near corner as it swingsin a circle. The short diameter of this ellipse is proportionedto the foreshortening of the floor in which it lies. It… … Fig. m FREEHAND PERSPECTIVE ■ i>M///////MW////////, i / 41 <¥7 »/ / 1 ■fI T^ Fig. 173 distances into the picture can be measured equal to others paral-lel to the picture plane (Fig. 103, p. 65). In Fig. 173 (and per-spectively in Fig. 172) AC is made equal to AB by drawing BC at Q ^ 45°, or…
Drawing
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