Modeling And Information Issue Of Digital Community Based On WebGIS

Digital Community is the important part of digital city. It is the combination of realistic-community and dummy-community, which makes people feel the reduction of digital city in advance. Each community has its feature, but they all can't be pressed for network and GIS. Now, if we want to construct a Web-3D GIS community, the most important technique is the constructing method of 3D model and the release of community. At present, in the internet dealing, citizens only know the building status in 2D.The internet stations only offer building planform, place of building and so on. These functions can't meet people's need. In real world, community and building exist in the form of 3D, room is important, so we must add indoor scene in 3D environment in an integrated application system. It is must form outdoor to indoor.Aimed at poor interact and bad release caused by the pattern of constructing model, this paper improve the interaction using texture datum, 3D max and VRML; By the same time, this paper realizes model's release and query. My paper's main content and work are as follows:> For a long time, Digital Community has poor graphic arts and interaction. The article compares modeling methods of web-3d GIS and constructs 3D community model using cosmoworlds and 3D Max. At the same time, this article makes use of the interactive speciality and 3D Max's ability to construct 3D model.> In Digital Community, indoor roam is a difficulty. The paper seeks the resolvent of indoor roam based on data structure of vrml. Combining Div of Html with style ED of CSS, we have completed integrative roam. In other words, ichnography can jump to the 3D scene, form outdoor to indoor.> Researching integrative query. Realizing interactive query between pan and attribute using ArcIMS's release function and layer's ID. By the way, it also can implement 3D query. Environment of community is the focus of people. This paper realizes position query and display of establishment around the community, using ArcIMS's buffer function.> As a example, implementing a web-community examination system using ArcIMS and the vrml model.