Trigonometric Levelling & Tacheometry
Tacheometry, Instrument Used In Tacheometry – Tacheometer, Stadia Rod. Different Systems of Tacheometric Measurement- Stadia System (Fixed hair system, Movable hair system), Tangential System, Subtense Bar System, Theory of Tacheometer, Distance and Elevation Through Tacheometer- When a Staff Is Vertical, & When a Staff Is Perpendicular to Line of Sight.
Topics
Contouring (Contour Interval, Properties & Use of Contour Lines, Ridge & Valley Line, Vertical & Overhanging Cliff).
•
20 September 2021
In contour, we details discuss about use of contour, contour interval, properties of contour lines, ridge & valley line, overhanging cliff, vertical cliff. Etc.
Geographic Information System, Global Positioning System, Remote Sensing
•
1 November 2021
In this chapter, we detailed discuss about geographic information system, uses of gis, components of gis, global positioning system, remote sensing, type of remote sensing sensor systems.