WIT Press

A METHOD FOR DIGITAL RELIEF VISUALIZATION BASED ON TERRESTRIAL PHOTOGRAMMETRY USING GIS TECHNOLOGY

Price

Free (open access)

Paper DOI

10.2495/SDP-V1-N1-110-121

Volume

Volume 1 (2006), Issue 1

Pages

11

Page Range

110 - 121

Author(s)

A. TSOUCHLARAKI

Abstract

This paper presents a method that has been developed for creating perspective relief images capable of extracting measurement information as a feature of the distance from the observation post. This method produces a perspective image of the relief, as the latter would look if it was photographed from a known shooting point in relation to a target point, using a photo camera of known geometry, and based on the digital terrain model of the area and the shaded view of the same relief. The method is applied in the Lefka Ori mountain range in Crete, and the results are compared to actual photo shootings in the same area. The digital relief visualization can assist in better comprehending the three-dimensional space and in efficiently managing the visual environment.

Keywords

digital relief visualization, DTM, GIS, hillshading, terrestrial photogrammetry.