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11 Results Found

  • Article
  • Open Access
2 Citations
1,515 Views
22 Pages

Spatial Semantic Expression of Terrain Viewshed: A Data Mining Method

  • Cheng Zhang,
  • Yiwen Wang,
  • Haozhe Cheng and
  • Wanfeng Dou

With the rapid development of geographic information technology, the expression of topographical spatial semantic relationships has become a research hotspot in the field of intelligent geographic information systems. Geographical spatial semantic re...

  • Article
  • Open Access
31 Citations
10,634 Views
24 Pages

8 April 2014

Values associated with scenic beauty are common “pull factors” for amenity migrants, however the specific landscape features that attract amenity migration are poorly understood. In this study we focused on three visual quality metrics of the intermo...

  • Article
  • Open Access
5 Citations
2,569 Views
18 Pages

Terrain viewshed analysis based on the digital elevation model (DEM) is of significant application value. A lot of viewshed analysis algorithms have been proposed, including R3 as the accurate one and others as efficient ones. The R3 algorithm is acc...

  • Article
  • Open Access
13 Citations
4,342 Views
17 Pages

HiXDraw: An Improved XDraw Algorithm Free of Chunk Distortion

  • Guangyang Zhu,
  • Jun Li,
  • Jiangjiang Wu,
  • Mengyu Ma,
  • Li Wang and
  • Ning Jing

Viewshed analysis is of great interest to location optimization, environmental planning, ecology and tourism. There have been plenty of viewshed analysis methods which are generally time-consuming and among these methods, the XDraw algorithm is one o...

  • Article
  • Open Access
5 Citations
2,634 Views
21 Pages

28 January 2023

Viewshed analysis is a terrain visibility computation method based on the digital elevation model (DEM). With the rapid growth of remote sensing and data collection technologies, the volume of large-scale raster DEM data has reached a great size (ZB)...

  • Article
  • Open Access
1,100 Views
16 Pages

Application of 3D Ray Tracing for Water Surface Visibility Analysis

  • Rafał Wróżyński,
  • Magdalena Wróżyńska and
  • Krzysztof Pyszny

Visibility of the sea plays a significant role in shaping spatial perception, property value, and planning decisions in coastal areas. While traditional GIS-based viewshed analysis provides useful tools for modeling visibility, it remains limited by...

  • Article
  • Open Access
11 Citations
5,554 Views
22 Pages

We compared three methods for deriving communication viewsheds, which indicate the coverage areas for transmitter points from high-resolution digital surface models. Communication viewsheds were analyzed with a novel 3D Fresnel zone method, as well a...

  • Article
  • Open Access
9 Citations
14,231 Views
19 Pages

4 January 2010

Infiltration-route analysis is a military application of geospatial information system (GIS) technology. In order to find susceptible routes, optimal-path-searching algorithms are applied to minimize the cost function, which is the summed result of d...

  • Article
  • Open Access
4 Citations
4,092 Views
25 Pages

Determination of Point-to-Point 3D Routing Algorithm Using LiDAR Data for Noise Prediction

  • Shruti Bharadwaj,
  • Rakesh Dubey,
  • Md Iltaf Zafar,
  • Rashid Faridi,
  • Debashish Jena and
  • Susham Biswas

Urban planning, noise propagation modelling, viewshed analysis, etc., require determination of routes or supply lines for propagation. A point-to-point routing algorithm is required to determine the best routes for the propagation of noise levels fro...

  • Article
  • Open Access
8 Citations
3,660 Views
18 Pages

29 September 2022

Wildland firefighters must be able to maintain situational awareness to ensure their safety. Crew members, including lookouts and crew building handlines, rely on visibility to assess risk and communicate changing conditions. Geographic information s...

  • Article
  • Open Access
27 Citations
5,985 Views
20 Pages

1 June 2020

The final decision of the owner of the plot who plans to build a house depends on many factors most of which are of legal and financial nature. The authors demonstrate that the decisions regarding specific location within the plot of land are influen...