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Crime Pattern Theory offers a theoretical framework for a micro level explanation of the dynamics of crime in an urban environment. The research focuses on the novel use the concept of boundaries or edges to analyze micro level differences in crime in various urban neighborhoods. Edges are identified where there is dissimilarity between adjacent areas. Crime is more likely to occur along edges. Edges...
Landscape planning is based on science and art. Landscape planning is to do space planning, design according to coordinate relationship of man and earth, man and nature. Landscape planning take sustainable development as the basic goal. In modern landscape planning area, more and more high technology are combined with planning and design theory to solve practical problems. GIS provides a new method...
To some extent, ship traffic density reflects the busy degree and risk degree of the vessel traffic water. Allegedly, the number of ship collision accidents is directly proportional to the quadratic of ship traffic density. Therefore, how to find out the crowded area with high ship traffic density in the port waters and to focus on monitoring ship and to optimize marine traffic flow, which are the...
Through using the ArcGIS software as the platform, and taking DEM analysis, raster calculation and spatial interpolation of spatial analysis technology as the core method, this paper selects Menghai County as the study area, combines with the Delphi method, analytic hierarchy process, fuzzy membership function, farmland Integrated Fertility Index ( IFI ) and other methods, to establish major factors...
Laneway is the important entity of mine, and it plays an important role in mine safety production. in this paper, firstly it studies the feasibility of the 3D visualization. through analyzing the characteristics and the related data of the laneway, it finally uses the method that along the center line to insert a series of profiles to achieve the modeling. This paper discusses the following aspects:...
By analyzing the current development status in MGIS, the paper proposes the problem that low reuse rate and low efficiency of development existing in the MGIS system software development. In order to solve this problem, the MGIS development based on domain engineerin is proposed. This paper uses domain engineering to analyze business modules in MGIS, summarizes the potential law and the essential...
Simulating, forecasting and displaying flood submergence range accurately and scientifically has important significance for flood control, flood fighting, flood assessment and disaster relief to provide decision support. This paper develops the Flood Submergence Analysis System using ArcEngine component library. The main functions of this system are as follows: generation of 3D terrain, display of...
In allusion to the problem of fragmentary annotation in some GIS software, the author points out one new method: connection of annotation and geographical object. Taking the dynamic annotation of curve for example, the author discusses its process in detail, which is applied to the development of our own GIS software.
With the fast economic and population growth in Houston-Galveston area, more and more municipal solid wastes are generated in the region. It is expected that more landfill sites need to be built in the future within the next ten or twenty years in Houston-Galveston area. The objective of this study is to identify the best locations for the future landfill sites in Houston-Galveston area using geographical...
Establishing a proper environment and synchronizing all the activities among the science park's stakeholders as well as facilitating the communication among them would enrich the academic environment toward establishing a successful eco-system. Information-intensive university search plays an important role in making a successful eco-system that can positively empower the inter-disciplines and cooperative...
This paper focuses on the estimation of green land variation with similarity theory by using two temporal spatial data in Shenzhen. The location, shape and areas of green land units have been used as the similarity elements. Thus the similarity coefficients can be defined. The ratio of overlapping number of green patches to the intersecting number of green patches indicates the location variation...
In order to manage the land serious damage caused by coal mining subsidence, this paper puts forward the idea of integration of coal and land information to manage mining subsidence disaster, designs the Mining Subsidence Disaster Management Information System Based on GIS, discusses the system achievement required GIS technology(Buffer analysis and Overlay analysis), subsidence prediction technology,...
The National Education System at school level under the government education institution category consists of preschool, primary, secondary and post-secondary education. Ministry of education has many departments and division with a lot of aim, objective and task to produce Malaysian citizens who will be knowledgeable and competent, possess high moral standards, responsible and capable of achieving...
In this paper, a GIS (geographic information system)-based multiple criteria classification (MCC) analysis procedure is proposed, and an application to emergency management ability assessment of institutions in China is investigated to demonstrate the proposed procedure. First, the research on emergency management is concisely reviewed to provide a general background. Next, multiple criteria decision...
The origin and development of early cities are indiscerptible with water. Digging the canal had a tremendous stimulative effect to the political unification, economic development and cultural communication of the northern and southern regions. Supported by Remote Sensing (RS) and a Geographical Information System (GIS), this paper adopted the long time series of remote sensing data to research the...
This paper introduces the acquiring and feature of spatial data in marine fishery 3S integrated model. It analyses and compares the functions and features of several common GIS spatial data management models and discusses how to organize, store and manage the marine spatial data.
Urban parks provide numerous social, environmental, and economic services of measurable value to a city. To better understand the importance of the urban parks, by using Quickbird satellite image (QB) also adopting Geographic Information System (GIS), we employ the methods of Image Interpretation, Site Survey, Photosynthetic Experiment and Forestation Costs Method, assessment the quantities and monetary...
The shortest path problem is always a principal issue in the applications of GIS. After the analysis of the existing shortest path searching algorithms, and with a view to the actual state of the urban traffic, an improved adjacency matrix was presented, when a new improved shortest path searching algorithm based on GIS was proposed. Meanwhile, combining the present city traffic existent problem,...
This paper is aimed at construction the vulnerability appraisal system of geological environment in Lijiang with multi-system evaluation method. Primarily, the synthesis layer of evaluation was divided into the condition of basic resources (impact factor), environmental conditions (stress factor) and the problem of environmental geology (performance factor), and then establishing twelve factors to...
During the construction and application process of the power grid GIS, encoding for the electric power resource (mainly refers to the equipments) is a core problem. A high efficient code structure is of great significance to the construction and implementation of the system. In this paper, based on the IEC/CIM model, we analyze and research the principle and method of the code structure. Reference...
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