To improve the efficiency of existing emergency response and facility management systems, many utility companies choose to implement the ArcFM GIS. Based on my experience designing and implementing an ArcFM GIS for the Potomac Electric Power Company (PEPCO), Washington D.C., this paper provides a road map through implementation of an enterprise-wide GIS using technologies built-on ArcInfo 8 pla...

With the implementation of Earth Observation System (EOS), various technologies related to Earth Observation (EO) have been dramatically improved and extensively used. Geographical Information Systems (GIS) has also been developed greatly in recent years. Very few researches, however, have been done to integrate GIS and EO. Through analyzing some problems in the application of existing EOS and ...

Simulations of total runoff and fine sediment yield in Goodwin Creek watershed, which covers 21Ð3 km2 in Mississippi, were carried out using a hydrological model-GIS system. The system includes the recently released Soil and Water Assessment Tool (SWAT) model version 2000 and AVSWAT version 1Ð0, the supporting interface with ArcView GIS. Among the required GIS input, some are commonly available...

This paper tackles the problem of robust change detection in image sequences from static cameras. Motion cues are detected using frame differencing with an adaptive background estimation modelled by a mixture of Gaussians. Illumination invariance and elimination or detection of shadows is achieved by using a colour chromaticity representation of the image data.

open source gis researchgate open source gis a grass gis approach kluwer international a grass gis approach home springer open source gis a grass gis approach darkip neteler mitasova 19 mar 2004 open source gis: grass book the contribution of gis in flood mapping: two approaches open source gis: a grass gis approachthird open source approach to urban growth simulation researchgate implementing ...

The study aims at developing a GIS based contamination Risk Assessment procedure in water distribution systems. Water distribution network analysis model EPANET 2.0 was integrated with ArcGIS 8.3 for the water quality analysis retrieving data from the GIS database. Water supply system of Zone VIII of Guntur, India was selected for the case study. The results of water quality simulation were dis...

Networking GIS tools and applications vary greatly in both function and architecture. In this paper, we will provide a framework to study the problems of networking GIS. GIS resources consist of geodata and geoprocessing capabilities. From the viewpoint of geodata sharing, it is observed that decoupling geodata and geoprocessing is necessary given the difficulty of integrating autonomous GIS sy...

While most current Geographical Information Systems (GIS) are 2D GIS, more and more application domains as geology, civil and military engineering, etc, need 3D GIS. The particularities and capabilities of a 3D GIS are outlined in this paper. Although 3D GIS are not much developped, some studies have already been done, especially in order to represent 3D data for geological or architectural app...

The creation of a GIS database can cost more than the GIS hardware and software itself. Although it takes several years to create, the information used in the databases of GIS represents the status of the world instantly. GIS databases must appropriately be organized and constantly be updated to make better use. In this study, methods were investigated with regard to updating of GIS databases t...

This paper presents a parsimonious framework to evaluate factors of GIS project implementation. The High Performance Equation proposed by Schermerhorn (Management for Productivity, Wiley, New York, 1984) is used to encapsulate the nature of ‘ability’, ‘effort’ and ‘support’ in successful implementation. This model is explained and its components elaborated. The model is then illustrated through...