• Title/Summary/Keyword: GIS Programming

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DEVELOPMENT OF A VALLEY MANAGEMENT SYSTEM FOR GIS AND REMOTE SENSING EDUCATION

  • Wu, Mu-Lin;Wong, Deng-Ching;Wang, Yu-Ming
    • Proceedings of the KSRS Conference
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    • v.2
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    • pp.570-573
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    • 2006
  • College GIS and remote sensing education usually consists of commercial software packages implementations in the classroom. Computer programming is quite important when college graduates work in private or public sectors relevant with GIS and remote sensing implementations. The objective of this paper was to develop a valley management system which implements GIS and remote sensing as the key components for education. The Valley Authority is entitled with water resource protection for sustainable drinking water supply of the second largest city in Taiwan. The test area consists of three different government agencies, Forest Service, EPA, and Water Resource Agency. Materials were provided by the Valley Authority in ArcGIS file format. MapObjects have made the GIS development process much easier. Remote sensing with image manipulation functions were provided by computer programming with Visual Baisc.NET and Visual C#.NET. Attributes inquiry are performed by these two computer languages as well. ArcGIS and ArcPad are also used for simple GIS manipulations of the test area. Comparison between DIY and commercial GIS can be made by college students. Functions provided by the developed valley management system depending on how many map layers have been used and what types of MapObjects components have been used. Computer programming experience is not essential but can be helpful for a college student. The whole process is a step-by-step sequence which college students can modify to depict their capability in GIS and remote sensing. The development process has gone through one semester, three hours every week in 18 weeks. College students enrolled in this class entitled with GIS showed remarkable progresses both in GIS and remote sensing.

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A Study on the GIS-based Deterministic MCDA Techniques for Evaluating the Flood Damage Reduction Alternatives (확정론적 다중의사결정기법을 이용한 최적 홍수저감대책 선정 기법 연구)

  • Lim, Kwang-Suop;Kim, Joo-Cheol;Hwang, Eui-Ho;Lee, Sang-Uk
    • Journal of Korea Water Resources Association
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    • v.44 no.12
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    • pp.1015-1029
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    • 2011
  • Conventional MCDA techniques have been used in the field of water resources in the past. A GIS can offer an effective spatial data-handling tool that can enhance water resources modeling through interfaces with sophisticated models. However, GIS systems have a limited capability as far as the analysis of the value structure is concerned. The MCDA techniques provide the tools for aggregating the geographical data and the decision maker's preferences into a one-dimensional value for analyzing alternative decisions. In other words, the MCDA allows multiple criteria to be used in deciding upon the best alternatives. The combination of GIS and MCDA capabilities is of critical importance in spatial multi-criteria analysis. The advantage of having spatial data is that it allows the consideration of the unique characteristics at every point. The purpose of this study is to identify, review, and evaluate the performance of a number of conventional MCDA techniques for integration with GIS. Even though there are a number of techniques which have been applied in many fields, this study will only consider the techniques that have been applied in floodplain decision-making problems. Two different methods for multi-criteria evaluation were selected to be integrated with GIS. These two algorithms are Compromise Programming (CP), Spatial Compromise Programming (SCP). The target region for a demonstration application of the methodology was the Suyoung River Basin in Korea.

A Study on Developing an User Interface for GIS Construction (GIS 구축을 위한 사용자 인터페이스 개발에 관한 연구)

  • 부기동;서일수;남인길
    • Proceedings of the Korea Society for Industrial Systems Conference
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    • 1999.05a
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    • pp.124-132
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    • 1999
  • This paper proposes an easy method to develope user interfaces for the GIS using OLE automation. In the developing stage of user interface, the most important thing is to apply effective windows programming techniques and component software supporting techniques. This study shows an user interface developing method using the OLE automation and Visual Basic programming. For a case study, the study constructs its user interface which performs map overlaying, referencing attribute tables, graph analysis, drawing up of thematic map.

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A Study on Developing an User Interface for GIS Construction (GIS 구축을 위한 사용자 인터페이스 개발에 관한 연구)

  • 남인길;부기동
    • Journal of Korea Society of Industrial Information Systems
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    • v.4 no.4
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    • pp.25-31
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    • 1999
  • This paper proposes an easy method to develope user interfaces for the GIS using local server automation In the developing stage of user interface the most important thing is to apply effective windows programming techniques and component software supporting techniques. This study shows an user interface developing method using the local server automation and Visual Basic programming. For a case study, the study constructs its user interface which performs map overlaying, referencing attribute tablet, graph analysis, drawing up of thematic amp.

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Water Quality modeling in the Hongbo watershed with WASP5 and GIS (GIS와 WASP5를 이용한 홍보유역의 수질모델링(지역환경 \circled1))

  • 김선주;김해도;허배영
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2000.10a
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    • pp.519-524
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    • 2000
  • The goal of this research is the establishment of a connection of an existing water quality model to GIS. The water quality model investigated was the Water Quality Analysis Simulation Program (WASP5), while the actual linkage was performed using object-oriented programming. The runoff and the non-point source loadings into the Channel were determined using a grid-based model developed in GIS. Afterwards, scripts were written in the ArcView programming language, Avenue, in order for ArcView to perform the following tasks : 1) write the input file informations, 2) format the input information into the proper WASP5 file, 3) execute the WASP5 subprogram for modeling.

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A Study on Developing GIS User Interface using OLE Automation (OLE 자동화를 이용한 GIS의 사용자 인터페이스 개발에 관한 연구)

  • Bu, Ki-Dong
    • Journal of the Korean Association of Geographic Information Studies
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    • v.2 no.1
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    • pp.63-72
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    • 1999
  • This study proposes an easy method to develope user interfaces for the GIS using OLE automation. In the developing stage of user interface, the most important thing is to make the best use of effective windows programming techniques and component software supporting techniques. Using the OLE automation and Visual Basic programming, the study constructs an user interface as case study which performs map overlaying, referencing attribute tables, graph analysis, drawing up of thematic map.

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Optimized Land Use by Integrated Use of Fuzzy-LP and GIS (Fuzzy-LP와 GIS의 결합을 통한 토지의 최적 이용문제)

  • 전철민
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.20 no.3
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    • pp.273-282
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    • 2002
  • Although the influence of GIS has been proved in a variety of applications, there also have been some research issues about that the coupling of GIS with other mathematical or engineering tools is necessary to meet various needs of specialized problem domains. Linear Programming, a mathematical technique used in optimal distribution of given quantity, can enhance its usability by integrating with GIS since LP basically does not include means to deal with spatial data. The limitation of the traditional LP technique is that it requires explicitly defined conditions, which is impractical or impossible in such decision making processes as in land use problems that use less crisp decision factors. This study develops a method to incorporate such fuzzy situations by integrating Fuzzy-LP that employs fuzzy logic and GIS. The GIS provides data to or displays data from the Fuzzy-LP processes in the integrated system. This methodology is illustrated to solve a land use distribution problem.

A Study on Water Network Modeling System Based Upon GIS (지리정보시스템 기반의 상수관망 모델링 시스템 연구)

  • Kim, Joon-Hyun;Yakunina, Natalia
    • Journal of Environmental Impact Assessment
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    • v.19 no.3
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    • pp.315-321
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    • 2010
  • ArcView and water network models have been integrated to develop the water network modeling system based upon GIS. To develop this system, pre, main, and post processing systems are required. GIS programming technique was adopted by using the ArcView's script language Avenue. The input data of models have been prepared by using the AutoCAD Map3D through the conversion of modeling input data to GIS data for A city. The modeling has been implemented by using EPANET, WaterCAD, InfoWorks. To develop the post processing system, the modeling results of the water network models have been analyzed by using GIS. During the application process of the developed system to B city with 300,000 population, main problems were found in the constructed GIS DB of that city. Thus, pilot study area of B city has been constructed, and pre-, main, and post-processing techniques were invented based upon GIS. Finally, the problems related to waterworks GIS projects in Korea were discussed and solutions were suggested.

Assessment of Distributed and Dynamic Potential of Photovoltaic Systems in Urban Areas (태양광 발전 시스템의 시공간적 잠재성 평가 소프트웨어 개발)

  • Choi, Yosoon
    • 한국신재생에너지학회:학술대회논문집
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    • 2011.11a
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    • pp.59.2-59.2
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    • 2011
  • This study presents a new method for coupling ArcGIS (popular GIS software) with TRaNsient SYstems Simulation (TRNSYS, reference software for researchers and engineers around the world) to use capabilities of the 4 and 5-parameter PV array performance models within the ArcGIS environment. Using the validated and industry-proven solar energy simulation models implemented in TRNSYS and other built-in ArcGIS functionalities, dynamic characteristics of distributed PV potential in terms of hourly, daily or monthly power outputs can be investigated with considerations of diverse options in selecting and mounting PV panels. In addition, the proposed method allows users to complete entire procedures in a single framework (i.e., a preliminary site survey using 3D building models, shading analyses to investigate usable rooftop areas with considerations of different sizes and shapes of buildings, dynamic energy simulation to examine the performances of various PV systems, visualization of the simulation results to understand spatially and temporally distributed patterns of PV potential). Therefore tedious tasks for data conversion among multiple softwares can be significantly reduced or eliminated. While the programming environment of TRNSYS is proprietary, the redistributable executable, simulation kernel and simulation engine of TRNSYS can be freely distributed to end-users. Therefore, GIS users who do not have a license of TRNSYS can also use the functionalities of solar energy simulation models within ArcGIS.

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Oil Tank Location Problem Solving with Mixed Integer Programming & GIS (혼합정수계획법 및 GIS를 활용한 유류저장탱크의 입지선정)

  • 최기주;김숙희;신강원
    • Journal of Korean Society of Transportation
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    • v.19 no.5
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    • pp.99-108
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    • 2001
  • A framework of using and integrating GIS and OR tools for determining the best site selection has been provided. In this research, we demonstrated that both the P-Median heuristic method and MIP method can be successfully applied to the optimum site selection problem of oil tank location selection. Furthermore, the results identified by both approaches are identical. To accomplish this, both GIS road and maritime networks have been constructed and combined to calculated the minimum distance matrix, which is required by both approaches. After the application to the Korean peninsula, the facility locations chosen are Kunsan, Yosu, Busan, and Okgye for each district. As has been shown, the power of GIS and both algorithm have been demonstrated throughout the research and further similar research can also be conducted using the power of GIS and Operations Research tools.

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