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Stadia Theory SURVEY2.

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Presentation on theme: "Stadia Theory SURVEY2."— Presentation transcript:

1 Stadia Theory SURVEY2

2 Stadia is a tacheometric form of distance measurement that relies on a fixed-angle intercept while tacheometry is the procedure by which horizontal distances and difference in elevations are determined indirectly using subtended intervals and angles observed with a transit or theodolite on a graduated rod or scale.

3 Two Types of Observation
Horizontal Sights Inclined Sights

4 The Stadia Method for Horizontal Sights
where:

5 From the previous figure,

6 Example: HORIZONTAL SIGHTS

7 Solution:

8 Inclined Stadia Sights

9 Enhanced Projection on the Rod

10

11

12

13 Example: INCLINED SIGHTS

14

15


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