نتایج جستجو برای: gis spatial analysistechniques
تعداد نتایج: 388837 فیلتر نتایج به سال:
This paper presents an endeavour of integration of GIS (Geographical Information System) and BIM (Building Information Modelling) for indoor geovisual analytics. The merits of two types of technologies, GIS and BIM are firstly analysed in the context of indoor environment. GIS has well-developed capabilities of spatial analysis such as network analysis, while BIM has the advantages for indoor 3...
Handling time in geospatial information systems (GIS), the applicability of these valuable systems will increase, so, there hardly exist an application dealing with spatial information which can not be benefited from a temporal GIS. Despite many efforts undertaken since 1980, there is no generally accepted model which can satisfy all temporal GIS requirements. One of the most important problems...
GIS data and methods have the potential to answer questions concerning agriculture that were too complex to even consider formulating until quite recently. Unfortunately for researchers trying to publish findings ranging from the reasons for spatial patterns in the distribution of weeds to options for the placement of straw-based biofuel refineries, the publication process is fraught with extra...
The traditional home of GIS in terms of managing, mapping, modeling and making decisions based on spatial data has been in the land-based sciences and professions. This has resulted in a concentration of GIS on land-based "application domains" (sets of GIS applications with common properties and data formats), with a relatively homogeneous groups of users and applications addressing the solutio...
Modern city system has increasingly become more complex in spatial context, with impressive 3-dimensional features shown on its skyline, such as high-rise buildings, road flyovers, tunnels and underground infrastructure. Focusing on such complex system, Urban GIS, traditionally only concerns about 2-dimensional spatial relationships, has now pushed to analyse, model and manage the 3-dimensional...
The changing trends in information technology have greatly influenced the role of GIS in spatial data management, analysis, processing and presentation. It has evolved from the conventional cartography and image processing to advanced 3D visualization and dynamic graphics tools. Due to this evolving nature of GIS, it has found wide applications in a number of diverse fields. Geophysical explora...
Geographic data, stored and processed in a GIS, form a conceptual model of the real world. The abstraction of the real world to construct the conceptual model unavoidably results in differentiation between objects of the real world and their representation in GIS (i.e., computer). Since classical set theory is used in conventional GIS software systems to model uncertain real world, the natural ...
In recent years remote sensing (RS), geographic information systems (GIS) and global positioning systems (GPS), have been three main technologies for spatial information acquisition, spatial data storage management, spatial data updating, spatial analysis and applications. However, the integration of the three technologies is an important issue and a big challenge to the geo-information communi...
Spatial information is often embedded in traditional information sources (other than GIS or other spatial data sources). As a simple example, an employee database might contain a home address field. Geocoding is a service that can provide the spatial location on a map for an address. In much the same way, we seek to use available tools, such as CAD, visualization, or GIS tools, to process spati...
Small enterprises are beginning to utilize Geographic Information Systems (GISs) and spatial technologies. Since these technologies have only recently become widely available for small enterprises, there are challenges including costs, training, skilled workforce, data gathering and management, and competitive strategy. Two conceptual theories of GIS strategy are discussed with respect to small...
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