Method of Tacheometric surveying
There is basically two method and one of this method is further classified into sub methods.
Main two clarification is as follow:
Stadia Method
Tangential Method
This classification is based on taking observation.
The first classifications stadia Method which is further divided into two parts which is as below.
Movable hair method
And second is.
2. Fix hair method
From using this methods we can calculate RL, elevation and horizontal distance.
Usually, fix hair method is preferred because it consume less time compare to movable hair method.