On the philosophy of painting: a theoretical and practical treatise.. (1849)
Twining, Henry · London : Longman, Brown, Green, and Longmans · leaf 453
rved, that although the direction of the shadowboundary deviates more from the perpendicular at Cthan at B, this is not due to a less decided inclination ofthe rays. It is, as shown in the diagram, the result ofaltered relations in the direction of the rays of light, withreference to the line E F… … PEKSPKCTIVE OF SHADOWS. 405 isni with tlie surface on which tiie\ lirojucl the shadow ;so that if both extended in the same ])lane, the projectedshadow, if distinguishable from local shade, would markthe exact inclination of the sunbeam. PROCESS USUALLY EMPLOYED EOR PUTTIXO PROJECTEDSHADOWS INTO…
Painting · Aesthetics · Perspective
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