The art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevations.
Topography can be defined as the description of the land surface features over the sphere of the earth and is thus referred to as a natural landscape as it depicts the land use, elevation, drainage and the relief feature of the earth in great detail.
It for the base of the many geomorphic three dimensional models, contour lines, relief shading and the surface composition of the landscape can be studied with its help it also shows us the human and cultural feature like the road, railways and the temples and churches as on a topographic map,
Spot height are calculated through the scientific method of triangulation studies
