? and ? are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being S and f respectively. Parallax displacement of the point due to relief, is
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1. By applying clockwise swing to right projector, maximum y-parallax is introduced in the model at
5. The flying height of the camera is 1, 000 m above mean ground level, the distance of the top of a Minar from a nadir point is 10 cm and the relief displacement of Minar is 7.2 mm. The height of the Minar, is