標(biāo)識對電子地圖中目標(biāo)位置搜索績效的影響
[Abstract]:With the rapid development of computer and network technology, network electronic map has become the most popular geographical location search tool, but the related theoretical and technical research is based on the paper map as the research material and background, it is difficult to apply to the electronic screen. At present, more consideration has been given to the presentation of map data in the research and development of network map marking, such as the study of cartography and computer science on the presentation of map data. But, as the famous cartographer Yin Hofu said, cartography should be the technical science of artistic tendency. At the same time, map marking as a map language, but its shape related to the subjective, objective research is less. This article takes the electronic map marking as the research object, studies from the subjective art level and the objective search efficiency level. Marking artistry can be measured by subjective evaluation and technical by objective search efficiency. Therefore, this study starts with the shape variables of the marking, from the subjective and objective aspects, before and after the mapping two stages, to explore the dot marking symbols of the network electronic map. In order to find out the composition rule of electronic map dot marking, the design of electronic map marking is more in line with people's subjective and objective needs. In the pre-mapping stage, from the subjective point of view, in order to explore the subjective preferences of users, a subjective questionnaire survey was conducted on a pair of network map symbols. By comparing the different marks representing the same location, we get the optimal mark (the total average score is the highest or higher) of 11 locations, and the subjective evaluation difference among different analogical marks is significant. According to the objective criterion, although the point-like mark is classified according to the shape, the research on the search efficiency of the mark after classification is less, and most of them are evaluated according to the subjective experience. In the second experiment, the searching efficiency of different types of dot marking (geometric, pictographic and literal forms) was compared according to the objective criteria of user response time and accuracy by visual search experiment. The results showed that there was a significant difference in search time among the three types of identifiers, and the search time of geometric identification was the shortest. In the post-mapping stage, considering the difference before and after the mapping, we should analyze the influence of the identity and the clutter of the map on the search efficiency from the point of view of searching background target and searching background. In experiment 3, the effects of label type (geometric form, hieroglyph form, text form) and map clutter (high, middle and low) on search efficiency were studied. The results show that both of them have an effect on the search efficiency, and there is interaction between them. Through the research, it is found that there are significant differences in subjective satisfaction and objective search efficiency between the identification categories, which affects the search performance of target location search in electronic maps. This research is of great significance to the research and development of network map identification.
【學(xué)位授予單位】:山東師范大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:B842.3
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