Information Visualization with Web3D Spatial Visualization of Human Activity Area and Its Condition Akira Wakita Frogvision Fumio Matsumoto Plannet Architectures In the current flood of information, content is growing more complex and diversified day by day. In that environment, information visualization is adding its weight, so as to search information by appealing to the eye. In this article, we examine theories of information visualization on the Internet and introduce practical approaches using Web3D. These projects are spatially visualizing city streets or digital archives, aiming at comprehensive visualization of growing spheres of human activities and their situations. Information Visualization The main purpose of information visualization is to grasp an overview of an object world so as to deepen it by visualizing invisible information. On the basis of this subject, GINGA, our early project, tried to visualize information scape on the World Wide Web [3]. Information visualization is defined as follows: the use of computer-supported, interactive and visual representations of abstract data to amplify cognition [1]. Figure 1 illustrates the process of information visualization: Data is mapped first onto visual structures, and then users interact with the structures to create their views. To visualize information, source live data is diversified
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