Soroush Ojagh; Ali Asghar Ale sheikh; Mohammad Reza Malek; Mohammad Fallah Zezoli
Abstract
Nowadays, we are observing a huge revolution in the use of mobile equipment in all aspects of human life. They greatly facilitate our daily life by their numerous capabilities such as powerful processors and various embedded sensors. Reviewing the history of Geographic Information Science (GIS),one can ...
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Nowadays, we are observing a huge revolution in the use of mobile equipment in all aspects of human life. They greatly facilitate our daily life by their numerous capabilities such as powerful processors and various embedded sensors. Reviewing the history of Geographic Information Science (GIS),one can clearly recognize that real time spatial processes have been the most important concern over the years. On the other hand, data gathering phase is the most time and cost consuming phase in most practical projects. Using traditional way to perform data gathering phase, not only causes some noticeable problems such as: the difficulty of carrying paper maps, inevitable human made mistakes; but also create a deep gap for hitting the main goal of performing a real time spatial process. In this study, by developing a context-aware mobile information system that takes advantage of distributed architecture, we try to deal with those problems. Our ultimate goal is to replace our developed system by traditional methods for gathering spatial and descriptive data about nuisance jobs in Kermanshah, Iran. We assess and compare our system with traditional methods by comparing their results for collected data in 4 districts in a city by different groups of users. Statistical tests prove our developed system has more reliability and efficiency compared with traditional methods. At the end, the tendency of about 92% of user to use our system compared with traditional methods is another measurethat indicates our success in achieving the ultimate goal of this study.
Reza Aghataher; Soroush OjGH; Mohammad Fallah Zazuly; Mohsen Jafari
Abstract
Today the desire to create smart and electronic companions in the daily life of humans has been fulfilled with the production of mobile processing equipment. On the other hand, the integration of existing capabilities of these equipment with the features of the spatial information systems, has become ...
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Today the desire to create smart and electronic companions in the daily life of humans has been fulfilled with the production of mobile processing equipment. On the other hand, the integration of existing capabilities of these equipment with the features of the spatial information systems, has become the basis for the emergence of a new technology called spatial information system. Simply put, displaying the spatial information can be considered as the most vital part of a mobile spatial information system. On the other hand, allocating a major part of the commercial market of mobile equipment to devices running with Android operating system encouraged the authors to explore different visual techniques in such equipment. The analysis can be considered as one of the most important studies required to develop a sample of a mobile spatial information system. But unfortunately, despite the great importance of this issue, no comprehensive and technical studies have yet been conducted to evaluate the performance of different methods of displaying spatial information in the context of this operating system. The methods used in this study include the use of Google Map API, ArcGIS Runtime SDK, OSMDroid, MapsFroge and Nutiteq libraries. To compare these methods and express the use cases of each of them, services were developed using each one of these methods and the Java programming language. Finally, after analyzing the results of various experimental experiments, the quality of performance, capabilities, strengths and weaknesses of each method were clearly expressed. In general, the results of this study can be considered as an appropriate starting point for selecting an appropriate library for displaying spatial information in any instance of a mobile spatial information system.
