backgrounds and aims: using geographical information system (gis) can decreases the burden of road traffic injuries effectively by identification of hot spot to modification in hazardous areas. the aim of the study was determining geographical distribution of human risk factors associated with road traffic injuries by using geographical information system (gis) in iran. materials and methods: t...

The increasing popularity of the Internet has led to the development of Web applications, known as Web GIS. A geographic information system (called GIS from now) is a software system that manages geo-referenced information. GIS systems are an automated system used for storing, analysing and manipulating geographical information. Geographical information represents objects and actions where geog...

abstract. rangelands are mainly used for grazing the livestock in iran, it is essential to specify grazing suitability of rangelands in each region of country, so that it may improve the management policies and approaches for planning and designing current and future plans. the aim of this research was to determine the rangeland suitability for sheep grazing in the watershed of sadegh abad, ker...

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Geographical Information Systems (GIS) have long bridged the gap between geo-information databases and applications. Although conceptual modelling approaches for GIS have been particularly successful in the representation of the specific properties of geographical information, there is still a need for a better integration of user intentions and usage. This paper introduces a conceptual framewo...

In this article, a single application is suggested to determine the position of vehicles using Geographical Information Systems (GIS) and Geographical Position Systems (GPS). The part of the article material included mapping three dimensional coordinates to two dimensional coordinates using UTM or LAMBERT geographical methods, and the algorithm of conversion of GPS information into GIS maps is ...