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3D Visualization of Forest Information Using LiDAR Data and Forest Type Map

LiDAR 데이터와 임상도를 이용한 산림정보의 3차원 시각화

  • Received : 2014.02.10
  • Accepted : 2014.10.28
  • Published : 2014.10.31

Abstract

As recent interest in ecological resources increases, an effort in three-dimensional visualization of the ecological resources has increased for the restoration and preservation of the natural environment as well as the evaluation of the landscape. However, in the case of forest resources, information extraction has been active, but the effort in trying to apply that information into an effective visualization has not happened. In other words, the effort for effective visualization is lacking when it comes to the visualization of forest resources, and numerous cases are ether non-realistic or the simulation required for analysis is inappropriate. Therefore, this paper extracts information through the use of airborne LiDAR data, aerial photograph, and forest type maps to create a vegetation layer, and then uses Flora3D forest modeling tools and ArcGlobe to accurately visualize the vegetation layer into the three dimension. An effective application for restoration and preservation of ecological resources as well as analysis on the urban landscape can be considered as a result of intuitively and realistically enabling the user's awareness of forest information within the Geographic Information System.

최근 생태자원에 대한 관심이 증가함에 따라, 자연환경의 복원과 보존이나 경관성 평가 등을 위해 생태자원을 3차원으로 시각화하려는 노력이 늘어나고 있다. 그러나 산림자원의 경우 정보의 추출은 활발하지만 그 정보를 활용하여 효과적으로 시각화 하려는 노력은 일어나지 않고 있다. 즉 산림자원의 시각화에 있어 현실적이지 못하거나 각종 분석에서 요구하는 시뮬레이션이 부적합한 경우가 다수이며 이를 효과적으로 시각화하려는 노력은 부족하였다. 따라서 본 논문에서는 항공 LiDAR 데이터와 항공사진, 임상도(Forest Type Map)를 통해 산림정보를 추출하여 Vegetation Layer를 생성한 후 Flora3D 수목모델링 툴과 ArcGlobe를 이용하여 Vegetation Layer를 3차원으로 정밀하게 시각화하였다. 지리정보시스템 내에서 사용자가 산림정보를 직관적이고 현실적으로 인식할 수 있도록 함으로써 생태자원의 복원과 보존, 도시경관 등을 위한 분석에 효율적으로 활용할 수 있을 것으로 판단된다.

Keywords

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