(b) An area of 150 km x 105 km is to be surveyed using aerial photogrammetry with thedata given below:Size of photograph = 23 cm x 23 cmAverage scale of photograph = 1:25000Average elevation of terrain = 335 mLongitudinal overlap = 65%Side overlap = 28%Ground speed of aircraft = 270 km/hrFocal length of camera = 200 mmLeast count of intervalometer = 0.5 secDetermine the:(i) Height of flight(ii) Spacing of flight lines(iii) Ground exposure distance and exposure interval(iv) Number of photographs required to cover complete area.Please solve all fourquestions, with explanation

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Answered: Size of photograph

Engineering

Civil Engineering

Size of photograph

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter14: Highway Surveys And Location

Section: Chapter Questions

Problem 7P

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Concept explainers

Site Plan Requirements

A site plan (also known as a plot plan) is a diagram or process to show the proposed improvements on an existing property. A site plan is important, as it provides information regarding the landscape features of a given plot of land. Zoning is done or can be understood with the help of a site plan.

Question

(b) An area of 150 km x 105 km is to be surveyed using aerial photogrammetry with the
data given below:
Size of photograph = 23 cm x 23 cm
Average scale of photograph = 1:25000
Average elevation of terrain = 335 m
Longitudinal overlap = 65%
Side overlap = 28%
Ground speed of aircraft = 270 km/hr
Focal length of camera = 200 mm
Least count of intervalometer = 0.5 sec
Determine the:
(i) Height of flight
(ii) Spacing of flight lines
(iii) Ground exposure distance and exposure interval
(iv) Number of photographs required to cover complete area.
Please solve all four
questions, with explanation

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