DIGITALNA ARHIVA ŠUMARSKOG LISTA
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| ŠUMARSKI LIST 7-8/2020 str. 67 <-- 67 --> PDF |
Viewshed Analysis of Fire Lookout Towers – Analiza vidljivosti promatračkih tornjeva Viewshed analysis is performed to determine the visible and invisible areas through 360° lookouts at a certain point on the terrain from a certain elevation and at a certain radius. In addition to DEM data, the coordinates of 37 towers located in the study area were also recorded in the geographical database for viewshed analysis. Table 2 shows the observatory parameters used for the viewshed analysis made by “viewshed” function under the ArcGIS-3D analysis tools. The elevation where the lookout is performed at the towers located within the study area, which is offsetA, was applied |