Sunstar Virgil Lopez February 8, 2011 MANILA — Environment Secretary Ramon Paje has ordered concerned agencies in his department to adopt a standard reference for all surveying and mapping activities starting this year. Paje issued the directive in consonance with Executive Order No. 321 issued in 2004 which sets the year 2010 as the deadline [...]

The most common type of geodetic survey is known as triangulation. Triangulation consists of the measurement of the angles of a series of triangles. The principle of triangulation is based on plane trigonometry. If the distance along one side of the triangle and the angles at each end are accurately measured, the other two sides and the …