A 3D Web GIS System Based on VRML and X3D

AbstractEarth Observation (EO) products are widely used by geospatial society. Over the last years a number of new applications of satellite imagery were proposed. This led to an increased interest in EO products, not only from researchers but also from companies and individuals. The authors constitute the essential part of the team that created the marine, web-GIS system - SafeCity GIS - for dissemination of data obtained from a 1.5 metre HRPT-MetOp satellite ground receiving station. To increase the operationability of the system the authors successfully attempted to broaden the offered functionality by integration with Service Support Environment (SSE). Due to this, EO products for the Pomeranian Region are served as web-services; amongst them there are True Color imagery, meteorological, algae monitoring and fire-detection services. The authors present the created solution for web service support for GIS system based on Service Support Environment and discuss its advantages and disadvantages.

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Research on high-performance web GIS system for map symbol dynamic editing and network publishing

IEEE International IEEE International IEEE International Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004 ◽

10.1109/igarss.2004.1370319 ◽

2004 ◽

Author(s):

Jianyu Yang ◽

Chongjun Yang ◽

Zhanfu Yu ◽

Liqiang Zhang

Keyword(s):

High Performance ◽

Web Gis ◽

Map Symbol ◽

Gis System

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3D-Web-GIS RFID Location Sensing System for Construction Objects

The Scientific World JOURNAL ◽

10.1155/2013/217972 ◽

2013 ◽

Vol 2013 ◽

pp. 1-8 ◽

Cited By ~ 4

Author(s):

Chien-Ho Ko

Keyword(s):

Radio Frequency Identification ◽

Gradient Descent ◽

Target Object ◽

Descent Method ◽

Web Gis ◽

Gradient Descent Method ◽

Construction Site ◽

Sensing System ◽

Location Sensing ◽

3D Web

Construction site managers could benefit from being able to visualize on-site construction objects. Radio frequency identification (RFID) technology has been shown to improve the efficiency of construction object management. The objective of this study is to develop a 3D-Web-GIS RFID location sensing system for construction objects. An RFID 3D location sensing algorithm combining Simulated Annealing (SA) and a gradient descent method is proposed to determine target object location. In the algorithm, SA is used to stabilize the search process and the gradient descent method is used to reduce errors. The locations of the analyzed objects are visualized using the 3D-Web-GIS system. A real construction site is used to validate the applicability of the proposed method, with results indicating that the proposed approach can provide faster, more accurate, and more stable 3D positioning results than other location sensing algorithms. The proposed system allows construction managers to better understand worksite status, thus enhancing managerial efficiency.

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AUTOMATION OF MORPHOMETRIC MEASUREMENTS FOR PLANETARY SURFACE ANALYSIS AND CARTOGRAPHY

ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences ◽

10.5194/isprs-archives-xli-b4-431-2016 ◽

2016 ◽

Vol XLI-B4 ◽

pp. 431-433

Author(s):

A. A. Kokhanov ◽

A.Y. Bystrov ◽

M. A. Kreslavsky ◽

E. V. Matveev ◽

I. P. Karachevtseva

Keyword(s):

Web Gis ◽

Statistical Characteristics ◽

Shape Estimation ◽

Topographic Roughness ◽

Morphological Studies ◽

Second Derivatives ◽

Software Modules ◽

Small Crater ◽

Height Fields ◽

Gis System

For automation of measurements of morphometric parameters of surface relief various tools were developed and integrated into GIS. We have created a tool, which calculates statistical characteristics of the surface: interquartile range of heights, and slopes, as well as second derivatives of height fields as measures of topographic roughness. Other tools were created for morphological studies of craters. One of them allows automatic placing of topographic profiles through the geometric center of a crater. Another tool was developed for calculation of small crater depths and shape estimation, using C++ programming language. Additionally, we have prepared tool for calculating volumes of relief features from DTM rasters. The created software modules and models will be available in a new developed web-GIS system, operating in distributed cloud environment.

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Virtual City System Based on 3D-Web GIS for U-City Construction

Journal of the Computational Structural Engineering Institute of Korea ◽

10.7734/coseik.2012.25.5.389 ◽

2012 ◽

Vol 25 (5) ◽

pp. 389-395 ◽

Cited By ~ 1

Author(s):

Byung-Wan Jo ◽

Yun-Sung Lee ◽

Kwang-Won Yoon ◽

Jung-Hun Park

Keyword(s):

Web Gis ◽

City System ◽

Virtual City ◽

City Construction ◽

3D Web

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A New Approach to Calculate the Water Exploitation Index (WEI+)

Water ◽

10.3390/w12113227 ◽

2020 ◽

Vol 12 (11) ◽

pp. 3227

Author(s):

Stefano Casadei ◽

Francesco Peppoloni ◽

Arnaldo Pierleoni

Keyword(s):

Web Gis ◽

Return Flow ◽

Freshwater Resources ◽

New Approach ◽

Country Level ◽

Management Plans ◽

Water Exploitation ◽

Environment Agency ◽

Gis System ◽

Exploitation Index

The Water Exploitation Index (WEI), or withdrawal ratio, is an indicator of water scarcity, which has been updated into its WEI+ form by the Committee of Experts of the European Commission. In calculating the total abstraction of fresh water, this indicator also includes the possible return flow and management rules. The demand for freshwater and long-term freshwater resources are both necessary to calculate the WEI+. These values are not easy to assess at basin or sub-basin level and, for this reason, WEI values are generally calculated at the country level. This paper introduces a new approach to calculate the WEI+, with the purpose of extending its use to basin and sub-basin levels. The methodology is based on flow duration curve estimation, which evaluates freshwater resources, and a Web-GIS system that evaluates water abstractions distribution. This approach allows for the assessment of locally stressed areas in the hydrographic network and could provide a fundamental step toward more comprehensive regional water resources management plans. The new methodology is tested in some sub-basins of the Upper Tiber River Basin (Italy). These results contribute to the analysis of water withdrawals sustainability, based on the policy of the European Environment Agency, which is aimed toward the development of a proactive approach for reducing water stress.

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