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首页> 外文期刊>Cybernetics and Systems Analysis >FORMAL MODEL OF THE SYNTHESIZED SCREEN IMAGE OF A DYNAMIC SITUATION IN AREAS OF MONITORING MOBILE OBJECTS AND ITS IMPLEMENTATION IN A WEB-ORIENTED GEOINFORMATION SYSTEM
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FORMAL MODEL OF THE SYNTHESIZED SCREEN IMAGE OF A DYNAMIC SITUATION IN AREAS OF MONITORING MOBILE OBJECTS AND ITS IMPLEMENTATION IN A WEB-ORIENTED GEOINFORMATION SYSTEM

机译:面向对象的地理信息系统中动态状态的合成画面图像的形式化模型及其实现

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摘要

Based on the set-theoretic approach, a formal model is proposed for the synthesized screen image of a dynamic situation in areas of monitoring mobile objects. The essence of the model lies in varying the description of sets of aggregated static and dynamic objects that form the information filling of an adaptive dynamic scene with allowance made for the context of a given object domain. An algorithm is developed for layerwise visualization of the contextual cartographical background with the use of the types of cartographical objects that are singled out in the model. The model is implemented in a web-oriented geoinformation system of monitoring mobile objects that operates according to the MVC concept and has a client-server architecture. To implement it, the following complex of modern web technologies is used: PHP and MySQL on the server side and AJAX and jQuery on the client side. The module of addition/elimination of information on moving objects in a dynamic scene interacts with Google Maps Web Services without creating critical loads on the server side of the system.
机译:基于集合理论方法,提出了一种用于监视移动物体区域动态情况的合成屏幕图像的形式模型。该模型的本质在于改变对集合的静态和动态对象的描述,这些对象形成了自适应动态场景的信息填充,并考虑了给定对象域的上下文。开发了一种算法,用于使用在模型中选择的制图对象类型来分层显示上下文制图背景。该模型在监视移动对象的面向Web的地理信息系统中实现,该系统根据MVC概念进行操作并具有客户端-服务器体系结构。为了实现它,使用了以下复杂的现代Web技术:服务器端的PHP和MySQL,客户端端的AJAX和jQuery。在动态场景中添加/消除有关移动对象的信息的模块可与Google Maps Web Services交互,而不会在系统的服务器端产生严重的负载。

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