A vertical photograph was taken from a height of 3200 m above mean sea level with a camera of focal length 120 mm. It contained two points 'a' and 'b' corresponding to ground points A and B. Calculate the horizontal length AB, as well as the average scale along the line 'ab' from the following data: Photo points a b Elevation above MSL in (m) 640 780 Photo coordinates x(mm) y(mm) + 19.50 - 14.60 + 26.70 + 10.80 -
A vertical photograph was taken from a height of 3200 m above mean sea level with a camera of focal length 120 mm. It contained two points 'a' and 'b' corresponding to ground points A and B. Calculate the horizontal length AB, as well as the average scale along the line 'ab' from the following data: Photo points a b Elevation above MSL in (m) 640 780 Photo coordinates x(mm) y(mm) + 19.50 - 14.60 + 26.70 + 10.80 -
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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