Abstract
The aim of the paper is developing the Digital Terrain Model (DTM in the further text) through QGIS software. In order to accomplish intention of the paper will test some of the methods and techniques that are widely known in nowadays and those are supported by QGIS software – an open source software. And those methods named TIN and GRID. For showing complexity on the study area will analyse some features or characteristics of terrain in the created DTM. All of these methods and techniques will be applied in QGIS. In general, the QGIS software has rich methodology for creation, intepretation, visualization and analysing the geo-spatial data and the DTM in particular.
Highlights
The concept of creating digital terrain models of the terrain is relatively recent and the term Digital Terrain Model (DTM) is generally attributed to two American engineers at the Massatchusetts Institute of Technology during the late 1950s
In order to accomplish intention of the paper will test some of the methods and techniques that are widely known in nowadays and those are supported by QGIS software – an open source software
QGIS software exactly last version 2.18 provides and supports creating of the DTM based on triangulated irregular network (TIN) and GRID methods
Summary
The concept of creating digital terrain models of the terrain is relatively recent and the term Digital Terrain Model (DTM) is generally attributed to two American engineers at the Massatchusetts Institute of Technology during the late 1950s. The definition they coined was: “a DTM is simplify a statistical representation of the continous surface of the ground by a large number of selected points with known X, Y, Z coordinates in an arbitrary coordinate field (El-Heimy et al 2005). A DTM may be modified by model manipulation procedures as follow (Fig. 1) (Weibel, Heller 1991): studing area is Slivovo.
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