ABSTRACT
Models that have benefited from a strong mathematical background are best able to support the ability to form pictures of geographical information. In modern geodesy, existent computer-based programs are used, as well as models created for data computation. Digital elevation data are essential products derived from geodetic measurements. The effort needed to achieve high-quality data relating to vertical network needs is very time consuming and expensive, mainly because of the method involved. This method is known as leveling. There are various applications designed to present topographic information; the DEM (digital elevation model), used in geodesy and cartography, is one well-known model of this kind.
