9/5/2023 0 Comments 2gis mapquestWe first identify three types of map services, namely, reference map services, application-oriented map services and atomic map services. A context-driven approach for the design and mashup of map services are proposed. From the perspective of intuitive map reading, we argue it is necessary to include the needs of “situational awareness” into the design of map services, so as to improve the human computer interactions in the clients’ application environments. Despite location-based services become increasingly popular, the serviced contents are nevertheless often “static” and the illustration seldom or even fail to adapt to the needs of presenting continuously or periodically changing situations in the real world. Especially with the innovated internet and computer graphic technology, current map services are designed with comprehensive cartographic considerations and can be simultaneously accessed by multiple clients, with which users can metaphorically establish their understanding towards the phenomena in reality, regardless of where they are. The recent development of internet-based map services has dramatically change how geospatial information is presented to users, novice or professional, for improving the quality and convenience of daily lives. Third, the high popularity of the PDF format can promote the sharing of PDF tile maps and reduce the use threshold of ordinary users.Ībstract. Second, the maps displayed in the service system can be directly used for high-quality map publishing. First, the map service supported by this model does not require the support of cartographic software, and thus has low system software and hardware requirements. In addition, this model has some other noticeable characteristics. This paper details the construction and establishment method of the PDF tile map model and verifies that the model has the characteristics of a vector tile map and that this approach can provide web map services. This paper presents a PDF tile map model suitable for web map services, in order to provide a new solution for vector tile mapping. The development of PDF (portable document format) mapping makes it possible to use symbolized map data directly for web map services. At present, vector tile mapping requires the symbolization of geographic information, as supported by cartographic software, and the development of a corresponding symbolic database when web map services are provided for users. Vector tile mapping is an important issue in web map research.
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