If you were flying over New York City at a height of 1000 meters, would a 40 story (120 meters) building produce sufficient depth to exceed the disparity threshold? (assume that you have a 1 cm threshold at 10 meters).

If you were flying over New York City at a height of 1000 meters, would a 40 story (120 meters) building produce sufficient depth to exceed the disparity threshold? (assume that you have a 1 cm threshold at 10 meters).



-Threshold disparity = 10 seconds of arc = 0.003 degrees or 0.0005 radians
-Disparity D(θ) = ad/E2 = (0.064)(1000-120)/(1000 * 120) = 0.00047 = 0.047 %

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