What is triangular method in geography?

Triangulation is a surveying method that measures the angles in a triangle formed by three survey control points. Using trigonometry and the measured length of just one side, the other distances in the triangle are calculated.

What are the steps of triangulation method?

In this method we sweep all points with a line. The points behind of the line are triangulated….Three main steps of the algorithm are:

  1. Initialization,
  2. Triangulation,
  3. Finalization.

What is triangulation method formula?

Let A(x1, y1) and B(x2, y2) be the two landmark points with bearings as α and β , respectively. If C(x3, y3) is our location, the points A , B , and C form the vertices of a triangle, where the angles are: ∠ACE = θ1. and. ∠BCE = θ2 .

How is triangulation used in land surveying?

Triangulation has been used for land surveying in Europe and America since the 17th century. In this process, an area is divided into triangles, which are used to measure distances. If the triangle angles and the base line of the triangle are known, the missing lengths can be calculated easily with trigonometry.

What is the use of triangulation method?

Triangulation is a technique to analyze results of the same study using different methods of data collection. It is used for three main purposes: to enhance validity, to create a more in-depth picture of a research problem, and to interrogate different ways of understanding a research problem.

How does map triangulation work?

Triangulation is a method of observing the direction or bearing of two or three landmarks in the terrain. These three landmarks act as the corners of a triangle. Calculating the exact direction (or bearing) of each relative to your location helps pinpoint where exactly in the triangle you’re standing.

Which is the best triangulation system for hilly country?

Quadrilaterals. The best quadrilateral is square. A quadrilateral with both diagonals having no station at their intersection is usually employed. This is best suited for hilly areas.

What is the purpose of triangulation?